Steam pressure of super-thermal power plant is
A.15 kg/cm2
B.50 kg/cm2
C.100 kg/cm2
D.170 kg/cm2
E.200 kg/cm2
Category: Mechanical Engineering Mcqs
Mixing of fuel and air in case of a diesel engine occurs in
A.Fuel pump
B.Injector
C.Inlet manifold
D.Inlet valve
E.Engine cylinder
A 4
A.9999
B.1000
C.19999
D.99999
E.10000
For minimal eye irritation, pH value of swimming pool water should be in the range
A.6.2 to 6.8
B.6.5 to 7.0
C.7.0 to 7.2
D.7.5 to 7.6
Circumferential grooves on tyres
A.Lessen the danger of skidding
B.Increase load carrying capacity
C.Provide good traction
D.Remove any stones etc. from sticking to the tyre
E.All of the above
Attack of steel is increased by
A.Salt solution below a paint coat
B.Invisible moisture film present prior to painting
C.Graphite in the priming coat
D.Loose rust and partially removed mill scale
E.All of the above
Too rich mixture for a S.I. engine means air : fuel ratio of about
A.17 ; 1
B.15 ; 1
C.14 ; 1
D.13 ; 1
E.10 ; 1
When a thin job is to be machined on a shaper, in order to prevent warping, which one of the following steps should be taken first?
A.Light cut
B.Heavy cut
C.Single heavy cut
D.Any of the above
Biot number signifies
A.the ratio of heat conducted to heat convected
B.the ratio of heat convected to heat conducted
C.the ratio of external convective resistance to internal conductive resistance
D.none of the above
The gentre of gravity of the volume of liquid displaced by an immersed body is called __________________?
A.Wet C.G.
B.Metacentre
C.Centre of pressure
D.Wet centre
E.Centre of buoyancy
