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SSC-JE ME || IC Engine 3
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Question 1
Preignition in SI engines results in
1). Increase in the work of compression
2). Increase in the network of the process cycles
3). Decrease in fuel efficiencies
4). Decrease in fuel loss from the engine
1). Increase in the work of compression
2). Increase in the network of the process cycles
3). Decrease in fuel efficiencies
4). Decrease in fuel loss from the engine
Question 2
By supercharging the diesel engine, the possibility of knocking
Question 3
Which of the following is used as an anti-knocking material?
Question 4
Consider the following statements:
Diesel knock can be reduced by
1). increasing the compression ratio.
2). increasing the engine speed.
3). increasing the injection retard.
4). decreasing the inlet air temperature.
Which of these statements are correct?
Diesel knock can be reduced by
1). increasing the compression ratio.
2). increasing the engine speed.
3). increasing the injection retard.
4). decreasing the inlet air temperature.
Which of these statements are correct?
Question 5
Consider the following:
Carbon
Carbon-monoxide
Hydrogen, and
Sulphur
What is the amount of oxygen (in kg) required for complete combustion of each one of the above respectively?
Carbon
Carbon-monoxide
Hydrogen, and
Sulphur
What is the amount of oxygen (in kg) required for complete combustion of each one of the above respectively?
Question 6
Consider the following statements:
In order to prevent detonation in a spark ignition engine, the charge away from the spark plug should have
1). Low temperature
2). Low density
3). Long ignition delay
Which of these statements is/are correct?
In order to prevent detonation in a spark ignition engine, the charge away from the spark plug should have
1). Low temperature
2). Low density
3). Long ignition delay
Which of these statements is/are correct?
Question 7
The combustion in a compression ignition engine is __________.
Question 8
The main purpose of a thermostat in an engine cooling system is to
Question 9
The maximum pressure in the lubrication system is controlled by
Question 10
A large engine speed will result in decreased in knocking in_____.
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