Which of the following rays are neither deflected by electric field nor by magnetic field?
A.?-rays
B.?-rays
C.?-rays
D.X-rays
E.None of the above
Category: Mechanical Engineering Mcqs
The wage rate of brick layers is likely to rise due to
A.A depression in building industry
B.An increase in the demand for houses
C.The development of cheap industrial building process
D.A decrease in productivity of bricklayer
E.None of the above
Curies is a measure of
A.biological effect of radiation which a man can sustain
B.the rate at which atoms of radioactive sources disintegrate
C.86 ergs of energy per gram of air
D.ions percent in an ionised gas
When a fluid flows through a tapering pipe at a constantly increasing rate, the flow is said to
A.Unsteady flow
B.Unsteady uniform flow
C.Unsteady non-uniform flow
D.Turbulent flow
E.Irrotational flow
If the absolute pressure at a point in a hydraulic system is less than atmospheric pressure, the point is said to possess
A.Positive head
B.Negative head
C.Absolute positive head
D.Gross positive head
E.Manometric head
Which type of pump is different from others in the same group?
A.Gear pump
B.Screw pump
C.Lobe pump
D.Cam and piston pump
E.Plunger pump
A shaft revolving in a bearing forms a
A.Lower pair
B.Higher pair
C.Turning pair
D.Clindrical pair
E.Turning pair
When wooden patterns with metallic coating are to be used, the metal sprayed on wooden pattern could be
A.bismuth
B.zinc
C.aluminium
D.any of the above
The value of the product of molecular weight and the gas characteristic constant for all gases in kgf m/1 kg mol ?K is
A.29.27
B.30
C.427
D.770
E.848
The king pin inclination is usually
A.Less than
B.Between 1? to 2?
C.Between 2? and 5?
D.More than 7?
