Questões de Concurso Comentadas para condutor mecânico

Foram encontradas 55 questões

Resolva questões gratuitamente!

Junte-se a mais de 4 milhões de concurseiros!

Q3422753 Legislação de Trânsito
 Acerca da sinalização de trânsito, assinale a alternativa que conste uma afirmativa falsa:
Alternativas
Q3422752 Legislação de Trânsito

Leia com atenção as afirmativas abaixo:


I. As penalidades de suspensão do direito de dirigir e de cassação do documento de habilitação serão aplicadas por decisão fundamentada da autoridade de trânsito competente, em processo administrativo, assegurado ao infrator amplo direito de defesa.


II. Quando o infrator cometer, simultaneamente, duas ou mais infrações, ser-lhe-ão aplicadas, cumulativamente, as respectivas penalidades.


III. Deverá ser imposta a penalidade de advertência por escrito à infração de natureza leve, média ou grave, caso o infrator não tenha cometido nenhuma outra infração nos últimos 12 (doze) meses.


IV. O infrator não será submetido a curso de reciclagem a qualquer tempo, mesmo se for constatado que o condutor está colocando em risco a segurança do trânsito.


V. O infrator será submetido a curso de reciclagem quando suspenso do direito de dirigir. Quais das afirmativas lidas são falsas?

Alternativas
Q3422743 Português

A acentuação correta das palavras é uma parte fundamental da ortografia e da gramática de qualquer língua. No caso do português, a acentuação é regida por diversas regras que determinam quando uma palavra deve receber acento gráfico e qual tipo de acento deve ser utilizado.


Nesse sentido, qual das frases a seguir a palavra em destaque está acentuada da forma correta?

Alternativas
Q2323394 Mecânica
A hidráulica é amplamente utilizada a bordo, quando é preciso exercer grandes esforços mecânicos, como, por exemplo, permitir o controle da madre do leme. Com alguns cálculos, é possível evitar pressões não desejadas em circuitos hidráulicos.
Portanto, se em um acionador de um macaco hidráulico são aplicados 1000N numa área de 1mm2 , verifica-se uma pressão interna no mesmo de
Alternativas
Q2323393 Mecânica
Um funcionário foi chamado para avaliar um cilindro que está queimando irregularmente, aumentando o consumo de combustível. Fez várias verificações e, observando o número de horas de funcionamento, resolveu verificar o estado dos cilindros.
Para medir ovalização interna de um cilindro no MCP, utiliza-se um(a)
Alternativas
Q2323392 Mecânica de Autos
Ao observar um supervisório de um grande navio, é possível observar que o seu MCP possui vários subsistemas. São tantos subsistemas que chegam a ser colocados em telas diferentes, devido ao grande número de componentes envolvidos.
Fazem parte do sistema de combustível do motor principal do navio os seguintes componentes:
Alternativas
Q2323391 Mecânica
Ao trabalhar com combustíveis e seus derivados, há vários conceitos que devem ser guardados e observados durante o trabalho e armazenamento dos mesmos.
A menor ou maior resistência oposta ao cisalhamento de um fluido é conhecida como
Alternativas
Q2323390 Mecânica
Na área de metrologia, as unidades básicas de medição do Sistema Internacional de Unidades (SI) são as seguintes:
Alternativas
Q2323389 Mecânica
Para trabalhar com solda de oxiacetileno, deve-se pôr em prática um processo que é atualmente o mais difundido. É usado principalmente nas soldas de chapas de aço com uma espessura máxima de 6 mm (1/4 pol) e nas soldas de chapas finas de metais não ferrosos, até 4mm (5/22 pol).
Esse processo é chamado de soldagem
Alternativas
Q2323388 Mecânica
O sistema de lubrificação de um motor está sujeito a várias adversidades. Para responder a essas situações, é preciso ter atenção à condução e à manutenção desse sistema.
Na verificação desse sistema, deve-se observar a seguinte condição:
Alternativas
Q2323387 Mecânica de Autos

Um motor diesel é constituído por muitas peças fixas e móveis.

Os principais componentes móveis são

Alternativas
Q2323386 Mecânica
Algumas vezes, um mecânico necessita realizar soldas para reforçar ou consertar estruturas ou chapas. Para executar a tarefa com eletrodos, deve conhecer os códigos que permitem identificar corretamente qual eletrodo deve ser utilizado em cada tarefa específica.
Segundo a nomenclatura AWS, para a utilização do eletrodo E-6013, devem-se respeitar os seguintes parâmetros: resistência de
Alternativas
Q2323385 Segurança e Saúde no Trabalho
O Anexo IV da Convenção Internacional para a Prevenção da Poluição por Navios (Marpol 73/78) prevê regras para a prevenção da poluição por esgoto dos navios. Segundo esse instrumento legal, há uma situação em que é permitido o lançamento de esgoto de cozinha e de banheiros do navio, sem sólidos flutuantes visíveis ou sem poder de descoloração da água, no mar aberto ou em mar jurisdicionado a um Estado Nacional que tenha exigências ambientais tão rigorosas quanto as da Marpol 73/78.
Essa permissão é obtida quando a embarcação fizer a descarga a uma velocidade de
Alternativas
Q2323370 Noções de Primeiros Socorros
Em um acidente em que a vítima sofre um empalamento, a conduta inicial do socorrista será
Alternativas
Q2323368 Mecânica
São várias as aplicações de bombas a bordo de navios. Para cada uma delas, utiliza-se o tipo de bomba que seja mais adequado ao fluido e às condições de bombeamento. Normalmente são empregadas bombas centrífugas, axiais ou alternativas para água e rotativas para óleos.
Assim, as principais aplicações de bombas a bordo, utilizadas para resfriamento do motor, água de circulação e lubrificação do motor propulsor são, respectivamente,
Alternativas
Q2323334 Inglês
Forthcoming innovation & trends in shipping industry


         The shipping trends play a vital role in global trade, transporting goods worth trillions of dollars yearly. Population growth and continued urbanization will also lead to an increase in demand for maritime shipping services. The maritime shipping industry must continue to innovate and adopt new technologies to meet this increased demand. The following are some of the most promising trends and innovations currently taking place in the maritime shipping industry:

2       1. Green Technology - One of the most critical trends in maritime shipping is the move toward green technology. With increasing public awareness of the need to protect the environment, it is becoming increasingly crucial for maritime companies to adopt green practices. Maritime companies invest in cleaner-burning fuels such as LNG (liquefied natural gas). LNG produces significantly lower emissions than traditional marine fuels such as heavy fuel oil (HFO) and diesel. Some maritime companies are also experimenting with battery-powered ships to reduce emissions further. While battery-powered ships are not yet commercially viable on long voyages, they show great promise for use on shorter routes.

3       2. Electric Ships - Global maritime transport emits around 900 million tons of carbon dioxide annually, accounting for 2-3% of the world’s total emissions. As the push for decarbonization gathers momentum, it is only a matter of time before electric ships become the norm.

4    3. Autonomous Ships - Another exciting trend in maritime shipping is the development of autonomous ships. Autonomous ships have the potential to revolutionize the industry. They offer many advantages over traditional vessels, including reduced operating costs, increased efficiency, and improved safety by reducing the need for manual labor onboard ships. In addition, automated systems are less susceptible to human error than their manual counterparts. While there are many regulatory hurdles to overcome before autonomous vessels can be deployed commercially, they are expected to eventually become a common sight in the world’s oceans.

5      4. Blockchain - Blockchain technology is also beginning to make its way into the maritime shipping industry. Blockchain offers several potential benefits for maritime companies, including improved tracking of shipments and real-time visibility of their location- this would minimize delays caused by lost or misplaced cargo, reduce paperwork, and increase transparency throughout the supply chain. Moreover, blockchain-based smart contracts could automate many administrative tasks related to shipping, such as documentation and billing.

    5. Big data and predictive analytics - Another major trend transforming maritime shipping is the increasing use of big data and predictive analytics. The shipping industry generates vast amounts of data that can be extremely valuable if analyzed correctly. Big data analytics can improve everything from route planning to fuel consumption. By harnessing the power of data, shipping companies can optimize their operations, reduce costs, and enhance safety and security. Predictive analytics is particularly valuable for identifying potential problems before they occur, such as equipment failures or weather hazards.

7      6. Cybersecurity - Cybersecurity is a growing concern for maritime companies due to the increased reliance on digital systems and networks. As the shipping industry becomes increasingly digitized, companies must implement robust cybersecurity measures to protect their vessels and cargo from attack. Ships are now equipped with everything from satellite communications to remote monitoring capabilities, all of which create potential cyber vulnerabilities.

  Conclusion - The maritime shipping news is undergoing a period of significant change, with new technologies and trends emerging that have the potential to revolutionize the way that we ship goods around the world. 


Available at: https://maritimefairtrade.org/6-forthcoming-innovation-
-trends-in-the-shipping-industry/ Retrieved on April 22, 2023. Adapted.
The word or expression in parenthesis, adequately related to the highlighted expressions in the excerpts below is:
Alternativas
Q2323333 Inglês
Forthcoming innovation & trends in shipping industry


         The shipping trends play a vital role in global trade, transporting goods worth trillions of dollars yearly. Population growth and continued urbanization will also lead to an increase in demand for maritime shipping services. The maritime shipping industry must continue to innovate and adopt new technologies to meet this increased demand. The following are some of the most promising trends and innovations currently taking place in the maritime shipping industry:

2       1. Green Technology - One of the most critical trends in maritime shipping is the move toward green technology. With increasing public awareness of the need to protect the environment, it is becoming increasingly crucial for maritime companies to adopt green practices. Maritime companies invest in cleaner-burning fuels such as LNG (liquefied natural gas). LNG produces significantly lower emissions than traditional marine fuels such as heavy fuel oil (HFO) and diesel. Some maritime companies are also experimenting with battery-powered ships to reduce emissions further. While battery-powered ships are not yet commercially viable on long voyages, they show great promise for use on shorter routes.

3       2. Electric Ships - Global maritime transport emits around 900 million tons of carbon dioxide annually, accounting for 2-3% of the world’s total emissions. As the push for decarbonization gathers momentum, it is only a matter of time before electric ships become the norm.

4    3. Autonomous Ships - Another exciting trend in maritime shipping is the development of autonomous ships. Autonomous ships have the potential to revolutionize the industry. They offer many advantages over traditional vessels, including reduced operating costs, increased efficiency, and improved safety by reducing the need for manual labor onboard ships. In addition, automated systems are less susceptible to human error than their manual counterparts. While there are many regulatory hurdles to overcome before autonomous vessels can be deployed commercially, they are expected to eventually become a common sight in the world’s oceans.

5      4. Blockchain - Blockchain technology is also beginning to make its way into the maritime shipping industry. Blockchain offers several potential benefits for maritime companies, including improved tracking of shipments and real-time visibility of their location- this would minimize delays caused by lost or misplaced cargo, reduce paperwork, and increase transparency throughout the supply chain. Moreover, blockchain-based smart contracts could automate many administrative tasks related to shipping, such as documentation and billing.

    5. Big data and predictive analytics - Another major trend transforming maritime shipping is the increasing use of big data and predictive analytics. The shipping industry generates vast amounts of data that can be extremely valuable if analyzed correctly. Big data analytics can improve everything from route planning to fuel consumption. By harnessing the power of data, shipping companies can optimize their operations, reduce costs, and enhance safety and security. Predictive analytics is particularly valuable for identifying potential problems before they occur, such as equipment failures or weather hazards.

7      6. Cybersecurity - Cybersecurity is a growing concern for maritime companies due to the increased reliance on digital systems and networks. As the shipping industry becomes increasingly digitized, companies must implement robust cybersecurity measures to protect their vessels and cargo from attack. Ships are now equipped with everything from satellite communications to remote monitoring capabilities, all of which create potential cyber vulnerabilities.

  Conclusion - The maritime shipping news is undergoing a period of significant change, with new technologies and trends emerging that have the potential to revolutionize the way that we ship goods around the world. 


Available at: https://maritimefairtrade.org/6-forthcoming-innovation-
-trends-in-the-shipping-industry/ Retrieved on April 22, 2023. Adapted.
The vessel that is NOT adequate to the mentioned cargo transport is: 
Alternativas
Q2323332 Inglês
Forthcoming innovation & trends in shipping industry


         The shipping trends play a vital role in global trade, transporting goods worth trillions of dollars yearly. Population growth and continued urbanization will also lead to an increase in demand for maritime shipping services. The maritime shipping industry must continue to innovate and adopt new technologies to meet this increased demand. The following are some of the most promising trends and innovations currently taking place in the maritime shipping industry:

2       1. Green Technology - One of the most critical trends in maritime shipping is the move toward green technology. With increasing public awareness of the need to protect the environment, it is becoming increasingly crucial for maritime companies to adopt green practices. Maritime companies invest in cleaner-burning fuels such as LNG (liquefied natural gas). LNG produces significantly lower emissions than traditional marine fuels such as heavy fuel oil (HFO) and diesel. Some maritime companies are also experimenting with battery-powered ships to reduce emissions further. While battery-powered ships are not yet commercially viable on long voyages, they show great promise for use on shorter routes.

3       2. Electric Ships - Global maritime transport emits around 900 million tons of carbon dioxide annually, accounting for 2-3% of the world’s total emissions. As the push for decarbonization gathers momentum, it is only a matter of time before electric ships become the norm.

4    3. Autonomous Ships - Another exciting trend in maritime shipping is the development of autonomous ships. Autonomous ships have the potential to revolutionize the industry. They offer many advantages over traditional vessels, including reduced operating costs, increased efficiency, and improved safety by reducing the need for manual labor onboard ships. In addition, automated systems are less susceptible to human error than their manual counterparts. While there are many regulatory hurdles to overcome before autonomous vessels can be deployed commercially, they are expected to eventually become a common sight in the world’s oceans.

5      4. Blockchain - Blockchain technology is also beginning to make its way into the maritime shipping industry. Blockchain offers several potential benefits for maritime companies, including improved tracking of shipments and real-time visibility of their location- this would minimize delays caused by lost or misplaced cargo, reduce paperwork, and increase transparency throughout the supply chain. Moreover, blockchain-based smart contracts could automate many administrative tasks related to shipping, such as documentation and billing.

    5. Big data and predictive analytics - Another major trend transforming maritime shipping is the increasing use of big data and predictive analytics. The shipping industry generates vast amounts of data that can be extremely valuable if analyzed correctly. Big data analytics can improve everything from route planning to fuel consumption. By harnessing the power of data, shipping companies can optimize their operations, reduce costs, and enhance safety and security. Predictive analytics is particularly valuable for identifying potential problems before they occur, such as equipment failures or weather hazards.

7      6. Cybersecurity - Cybersecurity is a growing concern for maritime companies due to the increased reliance on digital systems and networks. As the shipping industry becomes increasingly digitized, companies must implement robust cybersecurity measures to protect their vessels and cargo from attack. Ships are now equipped with everything from satellite communications to remote monitoring capabilities, all of which create potential cyber vulnerabilities.

  Conclusion - The maritime shipping news is undergoing a period of significant change, with new technologies and trends emerging that have the potential to revolutionize the way that we ship goods around the world. 


Available at: https://maritimefairtrade.org/6-forthcoming-innovation-
-trends-in-the-shipping-industry/ Retrieved on April 22, 2023. Adapted.
The words adequately related to vessels and navigation are presented at:
Alternativas
Q2323331 Inglês
Forthcoming innovation & trends in shipping industry


         The shipping trends play a vital role in global trade, transporting goods worth trillions of dollars yearly. Population growth and continued urbanization will also lead to an increase in demand for maritime shipping services. The maritime shipping industry must continue to innovate and adopt new technologies to meet this increased demand. The following are some of the most promising trends and innovations currently taking place in the maritime shipping industry:

2       1. Green Technology - One of the most critical trends in maritime shipping is the move toward green technology. With increasing public awareness of the need to protect the environment, it is becoming increasingly crucial for maritime companies to adopt green practices. Maritime companies invest in cleaner-burning fuels such as LNG (liquefied natural gas). LNG produces significantly lower emissions than traditional marine fuels such as heavy fuel oil (HFO) and diesel. Some maritime companies are also experimenting with battery-powered ships to reduce emissions further. While battery-powered ships are not yet commercially viable on long voyages, they show great promise for use on shorter routes.

3       2. Electric Ships - Global maritime transport emits around 900 million tons of carbon dioxide annually, accounting for 2-3% of the world’s total emissions. As the push for decarbonization gathers momentum, it is only a matter of time before electric ships become the norm.

4    3. Autonomous Ships - Another exciting trend in maritime shipping is the development of autonomous ships. Autonomous ships have the potential to revolutionize the industry. They offer many advantages over traditional vessels, including reduced operating costs, increased efficiency, and improved safety by reducing the need for manual labor onboard ships. In addition, automated systems are less susceptible to human error than their manual counterparts. While there are many regulatory hurdles to overcome before autonomous vessels can be deployed commercially, they are expected to eventually become a common sight in the world’s oceans.

5      4. Blockchain - Blockchain technology is also beginning to make its way into the maritime shipping industry. Blockchain offers several potential benefits for maritime companies, including improved tracking of shipments and real-time visibility of their location- this would minimize delays caused by lost or misplaced cargo, reduce paperwork, and increase transparency throughout the supply chain. Moreover, blockchain-based smart contracts could automate many administrative tasks related to shipping, such as documentation and billing.

    5. Big data and predictive analytics - Another major trend transforming maritime shipping is the increasing use of big data and predictive analytics. The shipping industry generates vast amounts of data that can be extremely valuable if analyzed correctly. Big data analytics can improve everything from route planning to fuel consumption. By harnessing the power of data, shipping companies can optimize their operations, reduce costs, and enhance safety and security. Predictive analytics is particularly valuable for identifying potential problems before they occur, such as equipment failures or weather hazards.

7      6. Cybersecurity - Cybersecurity is a growing concern for maritime companies due to the increased reliance on digital systems and networks. As the shipping industry becomes increasingly digitized, companies must implement robust cybersecurity measures to protect their vessels and cargo from attack. Ships are now equipped with everything from satellite communications to remote monitoring capabilities, all of which create potential cyber vulnerabilities.

  Conclusion - The maritime shipping news is undergoing a period of significant change, with new technologies and trends emerging that have the potential to revolutionize the way that we ship goods around the world. 


Available at: https://maritimefairtrade.org/6-forthcoming-innovation-
-trends-in-the-shipping-industry/ Retrieved on April 22, 2023. Adapted.
In the eighth paragraph of the text, the author states that new technology will 
Alternativas
Q2323330 Inglês
Forthcoming innovation & trends in shipping industry


         The shipping trends play a vital role in global trade, transporting goods worth trillions of dollars yearly. Population growth and continued urbanization will also lead to an increase in demand for maritime shipping services. The maritime shipping industry must continue to innovate and adopt new technologies to meet this increased demand. The following are some of the most promising trends and innovations currently taking place in the maritime shipping industry:

2       1. Green Technology - One of the most critical trends in maritime shipping is the move toward green technology. With increasing public awareness of the need to protect the environment, it is becoming increasingly crucial for maritime companies to adopt green practices. Maritime companies invest in cleaner-burning fuels such as LNG (liquefied natural gas). LNG produces significantly lower emissions than traditional marine fuels such as heavy fuel oil (HFO) and diesel. Some maritime companies are also experimenting with battery-powered ships to reduce emissions further. While battery-powered ships are not yet commercially viable on long voyages, they show great promise for use on shorter routes.

3       2. Electric Ships - Global maritime transport emits around 900 million tons of carbon dioxide annually, accounting for 2-3% of the world’s total emissions. As the push for decarbonization gathers momentum, it is only a matter of time before electric ships become the norm.

4    3. Autonomous Ships - Another exciting trend in maritime shipping is the development of autonomous ships. Autonomous ships have the potential to revolutionize the industry. They offer many advantages over traditional vessels, including reduced operating costs, increased efficiency, and improved safety by reducing the need for manual labor onboard ships. In addition, automated systems are less susceptible to human error than their manual counterparts. While there are many regulatory hurdles to overcome before autonomous vessels can be deployed commercially, they are expected to eventually become a common sight in the world’s oceans.

5      4. Blockchain - Blockchain technology is also beginning to make its way into the maritime shipping industry. Blockchain offers several potential benefits for maritime companies, including improved tracking of shipments and real-time visibility of their location- this would minimize delays caused by lost or misplaced cargo, reduce paperwork, and increase transparency throughout the supply chain. Moreover, blockchain-based smart contracts could automate many administrative tasks related to shipping, such as documentation and billing.

    5. Big data and predictive analytics - Another major trend transforming maritime shipping is the increasing use of big data and predictive analytics. The shipping industry generates vast amounts of data that can be extremely valuable if analyzed correctly. Big data analytics can improve everything from route planning to fuel consumption. By harnessing the power of data, shipping companies can optimize their operations, reduce costs, and enhance safety and security. Predictive analytics is particularly valuable for identifying potential problems before they occur, such as equipment failures or weather hazards.

7      6. Cybersecurity - Cybersecurity is a growing concern for maritime companies due to the increased reliance on digital systems and networks. As the shipping industry becomes increasingly digitized, companies must implement robust cybersecurity measures to protect their vessels and cargo from attack. Ships are now equipped with everything from satellite communications to remote monitoring capabilities, all of which create potential cyber vulnerabilities.

  Conclusion - The maritime shipping news is undergoing a period of significant change, with new technologies and trends emerging that have the potential to revolutionize the way that we ship goods around the world. 


Available at: https://maritimefairtrade.org/6-forthcoming-innovation-
-trends-in-the-shipping-industry/ Retrieved on April 22, 2023. Adapted.
In the text fragment in the sixth paragraph of the text “Predictive analytics is particularly valuable for identifying potential problems before they occur, such as equipment failures or weather hazards” the words in bold can be replaced, without change in meaning, by
Alternativas
Respostas
21: D
22: B
23: D
24: E
25: C
26: B
27: D
28: E
29: A
30: B
31: C
32: E
33: D
34: D
35: E
36: B
37: A
38: C
39: E
40: B