Quiz on Mechanical Engineering

This is a timed quiz. You will be given 15 seconds per question. Are you ready?

In a four-stroke internal combustion engine, how many revolutions of the crankshaft are needed to complete one power cycle?

Correct! Wrong!

Which type of heat exchanger uses fins to increase the surface area for heat transfer?

Air-cooled heat exchanger

Plate heat exchanger

Shell and tube heat exchanger

Finned tube heat exchanger

Correct! Wrong!

What is the main function of a governor in an engine?

To manage exhaust gases

To regulate the speed of the engine

To maintain engine temperature

To control the fuel supply

Correct! Wrong!

Which of the following is a common use of a differential gear mechanism?

To convert alternating current to direct current

To allow different wheel speeds during turns in a vehicle

To convert rotary motion into linear motion

To increase torque in an engine

Correct! Wrong!

Which of the following is the most commonly used method of joining metal parts in mechanical engineering?

Welding

Riveting

Clamping

Soldering

Correct! Wrong!

What does the Reynolds number indicate in fluid mechanics?

The pressure drop in a fluid system

The type of flow (laminar or turbulent)

The thermal conductivity of a fluid

The viscosity of a fluid

Correct! Wrong!

What does the term "specific heat" refer to in thermodynamics?

The heat required to increase the temperature of a given mass by 1°C

The total heat content of a substance

The rate of heat transfer in a material

The energy required to change a substance from solid to liquid

Correct! Wrong!

Which of the following materials is most commonly used for the construction of engine blocks?

Cast Iron

Aluminum

Steel

Copper

Correct! Wrong!

Quiz on Mechanical Engineering

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Quiz on Mechanical Engineering

In a four-stroke internal combustion engine, how many revolutions of the crankshaft are needed to complete one power cycle?

Which type of heat exchanger uses fins to increase the surface area for heat transfer?

What is the main function of a governor in an engine?

Which of the following is a common use of a differential gear mechanism?

Which of the following is the most commonly used method of joining metal parts in mechanical engineering?

What does the Reynolds number indicate in fluid mechanics?

What does the term "specific heat" refer to in thermodynamics?

Which of the following materials is most commonly used for the construction of engine blocks?

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Quiz on Mechanical Engineering

In a four-stroke internal combustion engine, how many revolutions of the crankshaft are needed to complete one power cycle?

Which type of heat exchanger uses fins to increase the surface area for heat transfer?

What is the main function of a governor in an engine?

Which of the following is a common use of a differential gear mechanism?

Which of the following is the most commonly used method of joining metal parts in mechanical engineering?

What does the Reynolds number indicate in fluid mechanics?

What does the term "specific heat" refer to in thermodynamics?

Which of the following materials is most commonly used for the construction of engine blocks?

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