Which of the following is not an interns combustion engine___________________?

A. 2-stroke petrol engine
B. 4-stroke petrol engine
C. diesel engine
D. gas turbine

The air requirement of a petrol engine during starting compared to theoretical airequired for complete combustion is___________________?

A. More
B. Loss
C. Same
D. May be more or less depending on engine capacity

The specific fuel consumption per BHP hour for diesel engine is approximately___________________?

A. 0.15 kg
B. 0.2 kg
C. 0.25 kg
D. 0.3 kg

Compression loss in I.C engines occurs due to_________________?

A. leaking piston rings
B. use of thick head gasket
C. clogged air-inlet slots
D. increase in clearance volume caused b bearing-bushing wear

The temperature of interior surface of cylinder wall in normal operation is not allowed to exceed____________________?

A. 80°c
B. 120°c
C. 180°c
D. 240°c

Where the 10th meeting of the Saarc Food Bank board held in________on 21st to 22nd January 2019?

A. Khatmandu
B. New delhi
C. Islamabad
D. Columbo

Combustion in compression ignition engines is____________________?

A. Homogeneous
B. Heterogeneous
C. Both a. and b.
D. Laminar

The thermal efficiecny of a diesel cycle having fixed compression ratio, with increase in cut-off ratio will___________________?

A. Increase
B. Decrease
C. Be independent
D. May increase or decrease depending on other factors

If the compression ratio of an engine working on Otto cycle is increased from 5 to 7, the %age increase in efficiency will be________________?

A. 2%
B. 4%
C. 8%
D. 14%

The pressure at the end of compression in the case of diesel engine is of the order of___________________?

A. 6 kg/cm
B. 12kg/cmz
C. 20 kg/cmz
D. 27.5 kg/cmz