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Internal Combustion Engines

Internal Combustion Engines
The specific fuel consumption of a petrol engine compared to diesel engine of same H.P. is

Less or more depending on operating conditions
More
Same
Less

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Internal Combustion Engines
Air fuel ratio at which a petrol engine cannot work is

20 : 1 and less
0.33402777777778
0.41736111111111
0.62569444444444

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Internal Combustion Engines
The thermal efficiency of diesel engines is about

0.15
0.3
0.7
0.5

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Internal Combustion Engines
The Cipoletti weir is a __________ weir.

Trapezoidal
Circular
Rectangular
Triangular

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Internal Combustion Engines
Which of the following is false statement? Some of the methods used to reduce diesel smoke are as follows

Adherence to proper fuel specification
Increasing the compression ratio
Avoidance of overloading
Using additives in the fuel

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Internal Combustion Engines
The working pressure and temperature inside the cylinder of an internal combustion engine is _________ as compared to a steam engine.

Very low
High
Very high
Low

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