A stretched string of a guitar when operated is subjected to
A.Free vibrations
B.Forced torsional vibrations
C.Forced transverse vibrations
D.Damped vibrations
E.None of the above
Category: Mechanical Engineering Mcqs
Gudgeon pins are made of
A.Same material as that of piston
B.Cast iron
C.Aluminium
D.Hardened and ground steel
E.White metal
The standard gold point temperature is
A.1000?C
B.1063?C
C.1360?C
D.1630?C
E.1963?C
The turbine that cannot be installed in high head plant is
A.Pelton wheel, horizontal
B.Pelton wheel, vertical
C.Francis turbine, horizontal
D.Francis turbine, vertical
E.Kaplan turbine
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
A pair is termed as a higher pair when relative motion between two elements of the pair is
A.turning only
B.sliding only
C.rolling only
D.partly sliding and partly turning
Head storage capacity of moulding sand can be increased by adding?
A.graphite
B.chromite
C.magnesium powder
D.any of the above
Coulomb friction is
A.Friction between electrically charged bodies
B.Friction between bodies having relative motion
C.Friction between solids and liquids
D.Friction between dry surfaces
E.Friction between lubricated surface
Fringe benefit refer to
A.Extra remuneration
B.Overtime
C.Non-wages
D.Extra capital earning
E.Bonus system
Match plate pattern is used in
A.Greens and moulding
B.Pit moulding
C.Machine moulding
D.Bench moulding
E.Pillar moulding
