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22.SSC JE (ME)II IC Engines Boster Quiz-2
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Question 1
In an Otto cycle, air is compressed from 3 litres to 2.4 litres from a starting pressure of 1.5 kg/cm2.The net output per cycle is 400 J. What is the mean effective pressure _________ (in kPa) of the cycle?
Question 2
The indicator diagram on engine is used to determine
Question 3
A engine produces 5 J of work. If the clearance volume is 20 cm3 and the compression ratio is 6, the mean effective pressure is ______.
Question 4
What is the main purpose of supercharging of the engine?
Question 5
Consider the following emission of an IC engine:
1- CO 2- HC
3-
4- Particulates
Which of the emissions causes photochemical smog?
1- CO 2- HC
3-
4- Particulates Which of the emissions causes photochemical smog?
Question 6
The heat given to cooling medium in IC engines is about___
Question 7
Which gas will produce the highest efficiency in an ideal Otto cycle for same compression ratio?
Question 8
For the same heat added and the same compression ratio, _____________.
Question 9
The ignition quality of petrol is expressed by _______.
Question 10
What material is used for the insulating body of a spark plug _________?
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