The moment of friction with the assumption of uniform wear to uniform pressure is
A.Same
B.Greater
C.Lower
D.(A) and (B) above
E.(A) and (C) above
Category: Mechanical Engineering Mcqs
Out of the following which one is not a unconventional source of energy?
A.Tidal power
B.Geothermal energy
C.Nuclear energy
D.Wind power
E.Magneto hydrodynamic generator
A lead based bearing alloy contains
A.Lead-antimony-tin-copper
B.Lead-antimony-tin-silver
C.Lead-nickle-tin
D.Lead-copper-tin-copper
E.Lead-aluminium-copper
In which power plant chimney is not needed?
A.Gas turbine power plant
B.Steam power plant
C.Hydro-electric power plant
D.All of the above
A 10 mm mild steel rod 40 min long lying on ground will be known as
A.Short column
B.Long column
C.Strut
D.Medium column
E.None of the above
In order that a belt may not run off the pulley
A.It should be properly tightened
B.The centre line of the belt as it approaches the pulley must lie in a plane perpendicular to the axis of that pulley
C.The belt should be provided with frictional material
D.The belt should be provided with a guide
E.None of the above
Separators are generally used in air compressor installations
A.Between after cooler and receiver
B.Before first stage suction
C.Before intercooler
D.After intercooler
E.None of the above
An optical pyrometer works on the principle of
A.Expansion of fluids
B.Change of electrical resistance
C.Thermo-electric effect
D.Total radiation
E.Mono-chromatic radiation
In thermit welding, heat is generated by
A.Combustion of gases
B.Electric arc
C.Reaction of oxygen with metal
D.Chemical reaction involving finely divided aluminium and iron oxide
E.None of the above
Which of the following strain sensing elements has the highest value of gauge factor
A.Advance
B.Nichrome
C.Manganin
D.Soft iron
