Category: Machine Design Mcqs

A.500-1000
B.4000-7500
C.10000-15000
D.15000-20000
E.20000-25000

A.Half the plate thickness
B.Less than the plate thickness
C.Equal to the strap thickness
D.Equal to the plate thickness
E.More than plate thickness

A.The direction of rotation of first and last gear is the same
B.The direction of rotation of first and last gear is opposite
C.The first and last gear are on the same shaft
D.The first and the last gear are essentially on separate but parallel shafts
E.None of the above

A.250
B.375
C.500
D.750
E.990

A.Upper deviation as zero
B.Lower deviation as zero
C.Lower as well as upper deviation within narrow limits
D.Lower as well as upper deviation are zero
E.None of the above

A.Air
B.Water
C.Hydrogen
D.Air and water
E.None of the above

A.Slightly above atmospheric pressure
B.Half of the boiler working pressure
C.Boiler working pressure
D.106% of boiler working pressure
E.2 x boiler working pressure

A.It should have good appearance
B.It should be located outside the boiler room
C.It should be costly
D.It should be visible to boiler operator from all positions in the boiler room
E.Its area should be sufficient to discharge the steam as quickly as it is generated with rise in pressure not more than 10% of the safety valve blow off pressure

A.10
B.15
C.25
D.30
E.40

A.The belt should touch the bottom of groove in the fulley
B.The belt should not touch the bottom of groove in the pulley
C.Grooves in the pulley are generally wider than the belt
D.The efficiency of transmission is less
E.Tension in belt remains constant throughout