Percentage of carbon in mild steel is
A.0.010 to 0.025
B.0.10 to 0.25
C.0.8 to 0.85
D.1.0 to 1.25
E.3.0 to 4.50
Category: Mechanical Engineering Mcqs
The overall efficiency of steam locomotive system is
A.5 to 10 percent
B.15 to 25 percent
C.25 to 35 percent
D.35 to 45 percent
In a 2 stroke engine we get one power stroke in
A.180? of crank rotation
B.270? of crank rotation
C.360? of crank rotation
D.540? of crank rotation
E.720? of crank rotation
The purpose of using a core in moulding is
A.To produce chilled surface
B.To produce sound casting
C.To provide desired recesses in casting
D.To enable easy removal of pattern
E.To permit uniform flow of metal during moulding
As compared to copper, the conductivity of aluminium is nearly
A.85%
B.80%
C.60%
D.40%
E.20%
In a diesel engine the injection pressure is of the order of
A.40 kg/cm2
B.100 kg/cm2
C.500 kg/cm2
D.1000 kg/cm2
E.1500 kg/cm2
Arc blow is a welding defect which is encountered
A.In arc welding using a.c. current
B.In arc welding using d.c. current
C.In gas welding
D.In thermit welding
E.In MIG welding
Thermal efficiency of closed cycle gas turbine plant increases by
A.reheating
B.intercooling
C.regenerator
D.All of the above
A manufacturer in Tamilnadu sells his goods in Madras. Which tax is applicable on his goods?
A.Central sales tax
B.State sales tax
C.State excise duty
D.Central excise duty
E.None of the above
According to Mc Gregor’s theory of management
A.All managers are complex in behaviour and it is difficult to get work done
B.X managers in organisation will not work and Y managers will work. The ratio X/Y depends on the organisational set up
C.The ratio X/Y is always on 0.5 for any organisation
D.X theory managers pressume that the average human being has an inherent dislike of work and will avoid it if he can
E.None of the above
