Question 41 : What is the use of Air filter in the Diesel engine plant?
1. Air filter cools down the air
2. Air filter changes direction of air flow
3. Air filter removes dust from air
4. Air filter helps in flow of fuel
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Question 42 : What is muffling?
1. Reducing vibration
2. Increasing the flow of gas
3. Reducing noise
4. Filtering the exhaust air
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Question 43 : What do batteries emit while charging?
1. Nitrogen
2. Oxygen
3. Hydrogen
4. Carbon
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Question 44 : What is present inside a battery?
1. Electrolyte
2. Fluids
3. Acid
4. Steam
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Question 45 : Atomization of fuel can be done in how many ways?
1. 2
2. 3
3. 4
4. 5
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Question 46 : How is minimum cranking speed achieved?
1. By providing the hp
2. By providing speed
3. By providing torque
4. By proving sufficient amount of fuel
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Question 47 : Why does a large diesel engine plant require air?
1. To support combustion
2. To remove dust particles
3. To blow out fumes
4. To run the engine
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Question 48 : Rough cleaning of oil in engine is done through passing the oil through?
1. Paper discs
2. Nozzle
3. Felt pads
4. High speed centrifuges
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Question 49 : Injection systems are cheap.
1. True
2. False
3.
4.
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