Automotive Engine Design Mcqs

Q:

Which test is used to examine engine performance and efficiency?

A) Hydraulic testing B) Thermal testing
C) Electrical testing D) Mechanical testing
 
Answer & Explanation Answer: D) Mechanical testing

Explanation: Automotive mechanical testing is used to examine engine performance and efficiency from a variety of systems. Dynamic analysis, stress testing, and more.

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15
Q:

Which components are tested using pressure impulse testing?

A) Hydraulic components B) Thermal components
C) Electrical components D) Mechanical components
 
Answer & Explanation Answer: A) Hydraulic components

Explanation: Pressure impulse testing puts the system’s hydraulic components through their paces. Multiple systems use fluid movement to create mechanical motion.

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16
Q:

Which gases cannot be measured in emissions bench testing?

A) Carbon monoxide B) Carbon dioxide
C) Methane D) Ethane
 
Answer & Explanation Answer: D) Ethane

Explanation: A typical emissions bench can measure the greenhouse gas emissions, amounts of carbon monoxide, methane, hydrocarbons, nitrogen oxides, and carbon dioxide.

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15
Q:

Which test is used to determine the lifespan and foster premature wear of automobiles?

A) Climatic test B) Cat aging test
C) Vibration test D) SHED test
 
Answer & Explanation Answer: A) Climatic test

Explanation: The environment plays a substantial role in the lifespan of automobiles and their components. Certain climates have conditioned the foster premature wear.

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16
Q:

On which component driving creates constant vibrations?

A) Transmission B) Cooling system
C) Vehicle frame D) SHED
 
Answer & Explanation Answer: C) Vehicle frame

Explanation: Driving creates constant vibrations on the vehicle’s frame and components. This vibrations are transferred to passengers. To reduce this, vibration dampers are used.

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16
Q:

Which test is used to determine, how quickly a catalytic converter’s effectiveness reduces?

A) Canister test B) Cat aging test
C) Vibration test D) SHED test
 
Answer & Explanation Answer: B) Cat aging test

Explanation: To test how quickly a catalytic converter’s effectiveness reduces, a cat aging test has to be done. The catalytic converter is an essential component of the emission control system.

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17
Q:

Which test is used to measure a coating’s resistance to abrasions?

A) Coating and paint testing B) Gravelometer testing
C) Emission bench testing D) Mechanical testing
 
Answer & Explanation Answer: B) Gravelometer testing

Explanation: Gravelometer testing is another means of measuring a coating’s resistance to abrasions. In a gravelometer test, the samples have 300 pieces of gravel heaved at them by the machine’s air pressure.

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20
Q:

Which test is used to determine the evaporative emissions from an engine?

A) Canister test B) Cat aging test
C) Vibration test D) SHED test
 
Answer & Explanation Answer: D) SHED test

Explanation: SHED stands for Sealed Housing Evaporative Determination. This testing method allows for the measurement of evaporative emissions from an engine.

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