Cooling and Lubrication in Automobile MCQ Questions & Answers

Cooling and Lubrication in Automobile MCQ Questions & Answers | Automobile Engineering

Learn and Practice Cooling and Lubrication in Automobile MCQ Questions & Answers are Available for Automobile Engineering Students to Clear GATE Exams, Technical Interviews, Competitive Examinations, and Other Entrance Exams. The Cooling and Lubrication in Automobile Chapter is Especially Important for Automobile Engineering and GATE Students. Page-5 section-1

The commonly used material in the thermostat to control the movement of the valve, according to the coolant temperature is

A) Wax B) Rubber C) Bimetal D) Thermistor

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Answer & Solution

Answer: Option A

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On the basis of dissipating heat, the cooling systems are/is-

A) Air cooling system B) Water cooling system C) Both are correct D) None of these

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Answer & Solution

Answer: Option C

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The type of radiator when the water flows from top to bottom is-

A) Down flow type radiator B) Cross flow type radiator C) Both are correct D) None of these

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Answer & Solution

Answer: Option A

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In case of liquid lubricants. Generally

A) Flash point is higher than the fire point B) Fire point is higher than the flash point C) Fire point is lower than the flash paint D) Flash and fire point are identical

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Answer & Solution

Answer: Option D

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Main operation of coolant on machine tool

A) To save the machine tool from heating B) To cool the parts of machine C) To wet the two mating parts D) To minimize the friction between two machine parts

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Answer & Solution

Answer: Option A

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Advantages of Lubrication is/are-

A) Reduces wear of parts B) Absorbs heat C) Clean and flushes the moving part D) All are correct

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Answer & Solution

Answer: Option D

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If the total fuel energy is 100 units; then fuel energy used for useful work is-

A) 20% B) 5% C) 45% D) 2%

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Answer & Solution

Answer: Option A

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Radiator core consists of number of small . . . . . . . . pipes fixed in the fins.

A) Brass B) Copper C) Steel D) Iron

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Answer & Solution

Answer: Option A

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The engine oil pressure test is performed when

A) The oil pressure warning switch turns on while the ignition is at the ON position and the engine is not running B) The oil pressure warning switch does not turn on while the ignition is at the ON position and the engine is not running C) The oil pressure warning switch comes on while the engine is running D) The oil pressure switch does not come on while the engine is running

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Answer & Solution

Answer: Option C

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The valves inside the radiator cap regulate the pressure in the cooling system, thereby preventing damage to the system's pipe and other components.

A) True B) False

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Answer & Solution

Answer: Option A

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