A diesel power plant is best suited as
A.Base load plant
B.Stand by plant
C.Peak load plant
D.General purpose plant
E.None of the above
Category: Heat Engines Mcqs
Volumetric efficiency of a well designed engine may be in the range
A.75 to 90 percent
B.50 to 75 percent
C.40 to 50 percent
D.Below 40 percent
E.Below 20 percent
Isolate the factor on which bursting pressure of boiler does not depend
A.Tensile strength of the shell
B.Thickness of the shell
C.Diameter of the shell
D.Shear strength of shell material
Crankcase dilution is
A.Dilution of fuel in crank case
B.Dilution of lubricating oil in crankcase
C.Dilution of mixture while passing through crankcase in two stroke engines
D.Addition of water in crankcase
E.None of the above
A Lenoir cycle has a top temperature in the cycle
A.More than that of Otto cycle
B.Between Otto and diesel cycles
C.Equal to diesel cycle
D.Less than diesel cycle
Thermal efficiency of a spark ignition engine at full load usually is in the range
A.70 to 90 percent
B.50 to 70 percent
C.30 to 35 percent
D.10 to 25 percent
E.5 to 10 percent
The performance of air compressor at high altitudes as compared to that at sea level will be
A.Better
B.Same
C.Inferior
D.Will depend upon temperature of air
E.Will depend on type of compressor
In a SI engine the advancing of spark timing will
A.Increase knocking tendency
B.Reduce knocking tendency
C.Not have any effect
D.Depends on intensity of spark only
E.None of the above
Air standard efficiency of an I.C. engine depends on
A.Compression ratio
B.Speed of operation
C.Fuel used
D.Torque
E.All of the above
