Supercharging of an IC engine is done so that the A. thermal efficiency increases B. power output increases C. speed of the engine increases D. power output decreases  

1 Answer

Answer :

ANSWER : B

Related questions

Description : The reason for supercharging in any engine is to be A. increase efficiency B. increase power C. effect fuel economy D. reduce weight and bulk for a given output

Last Answer : ANSWER : D

Description : Supercharging is done to a. increase the efficiency b. increase the power c. reduce the weight for a given output d. achieve fuel economy

Last Answer : ANSWER c. reduce the weight for a given output

Description : Compressor mostly used for supercharging of IC engine is A. Radial flow compressor B. Axial flow compressor C. Root blower compressor D. Reciprocating compressor

Last Answer : ANSWER : A

Description : The output of a diesel engine can be increased without increasing the engine speed or size in the following way A. feeding more fuel B. increasing the flywheel size C. heating intake air D. supercharging

Last Answer : ANSWER : D

Description : By supercharging the power output of an engine is expected to increase by A. 20% B. 45% C. 75% D. 50%

Last Answer : ANSWER : A

Description : The tendency of a petrol engine to knock increases by a. supercharging b. scavenging c. increasing the engine horse power d. reducing the spark advance

Last Answer : ANSWER a. supercharging

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Last Answer : ANSWER c. power output

Description : Which one of the following types of compressor is mostly used for supercharging of IC engines? (a) Radial flow compressor (b) Axial flow compressor (c) Root blower (d) Reciprocating compressor

Last Answer : Ans : c

Description : The output of a diesel engine can be increased without increasing the engine size in following way a. injecting more fuel b. increasing flywheel size c. scavenging d. supercharging

Last Answer : ANSWER d. supercharging

Description : In four stroke engine which of the following is also known as power stroke a. Suction stroke b. Compression stroke c. Expansion stroke d. Exhaust stroke (Ans:c) Measurements of fuel and air ... into IC engine,___________its efficiency A. increase B. decrease C. does not alter D. unpredictable on

Last Answer : ANSWER : B

Description : How the efficiency of the SI engine is affected by the specific heat ratio (γ) of the working fluid? a. the efficiency of the engine increases with increase in specific heat ratio (γ) of the working ... not affected by change in specific heat ratio (γ) of the working fluid d. none of the above

Last Answer : ANSWER a. the efficiency of the engine increases with increase in specific heat ratio (γ) of the working fluid

Description : Which one of the following type of compressor is mostly used for supercharging of I.C engine A. Radial flow compressor B. Axial flow compressor C. Root blower D. Reciprocating compressor.

Last Answer : ANSWER : C

Description : Supercharging is the process of a. supplying the engine with air at a density greater than the density of the surrounding atmosphere b. providing forced cooling air c. injecting excess fuel d. raising the exhaust pressure

Last Answer : ANSWER a. supplying the engine with air at a density greater than the density of the surrounding atmosphere

Description : An engine produces 10 kW brake power while working with a brake thermal efficiency of 30%. If the calorific value of the fuel used is 40000 kJ/kg, then what is the fuel consumption? (a) 1.5 kg/hour (b) 3 kg/hour (c) 0.3 kg/hour (d) 1 kg/hour

Last Answer : Ans :b

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Last Answer : Ans :d

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Last Answer : ANSWER a. higher

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Last Answer : ANSWER c. 34%

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Last Answer : Ans :d

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Last Answer : ANSWER : C

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Last Answer : ANSWER a. increase

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Last Answer : ANSWER b. decrease

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Last Answer : Answer: c Explanation: None.

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Last Answer : ANSWER : A

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Last Answer : Option D

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Last Answer : ANSWER d. compression ratio is increased

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