Which of the following temperature is highest.
A.Melting point of gold
B.melting point of silver
C.melting point of steel
D.None of the above
Category: Mechanical Engineering Mcqs
The range of compression ratio in a gas turbine is
A.3 to 6
B.5 to 8
C.8 to 12
D.12 to 22
A wheel 8 mts in diameter coasts to rest from a speed of 800 rpm in 10 minutes. Its angular deceleration is
A.809 rad/min2
B.308/min2
C.502 rad/min2
D.683 rad/min2
Which of the following cycle consists of two isothermal and constant volume processes?
A.Joule cycle
B.Diesel cycle
C.Rankine cycle
D.Otto cycle
E.Ericsson cycle
An elastic behaviour of materials is expressed in terms of
A.Stress strain curve
B.Relaxation time
C.Adiabatic time
D.Isothermal time
E.Hysteresis loop area
A stratified charged engine provides
A.air fuel mixture of different air-fuel ratios at various places on the combustion chamber
B.different air fuel ratios in consecutive strokes
C.different air fuel ratios at different times depending upon the load
D.none of the above
The number of cylinders in case of steam locomotives is
A.One
B.Two
C.Four
D.Eight
In any transmission line
A.?BC = 1 – AD
B.AB = CD + 1
C.AB – CD = -1
D.AC = BD + 1
E.AC – BD = -1
For a steady state system
A.the rate of input is zero
B.the rate of the generation is zero
C.the rate of consumption is zero
D.the rate of accumulation is zero
If a steam pressure of 10 kg/cm2 is to be measured, the range of pressure gauge should be
A.?10 kg/cm2 to + 10 kg kg/cm2
B.0 to 10 kg kg/cm2
C.5 to 11 kg kg/cm2
D.0 to 20 kg kg/cm2
E.0 to 100 kg kg/cm2
