Overtime payment is a
A.perquisite
B.bonus
C.demand
D.incentive
Category: Mechanical Engineering Mcqs
When piece of 0.2% carbon steel is heated above third critical point the steel is a solid solution of carbon in gamma iron and called
A.Austenite
B.Pearlite
C.Cementite
D.Eutectoid
E.Ferrite
The main advantage of using worm gears is
A.Low power loss
B.High velocity ratio
C.Ease of manufacture
D.Minimum cost
E.All of the above
A strip of steel 75 mm wide 40 mm thick is bent round a circular drum of 4.96 m outside diameter. If E = 2 x 105 N/mm2, the maximum stress due to bending will be
A.1600 N/mm2
B.1200 N/mm2
C.800 N/mm2
D.400 N/mm2
Yellow colour on a pattern indicates
A.Surface to be left unmachined
B.Surface to be machined
C.Core prints
D.Seat for loose core prints
E.Fillets
Black broken lines on a pattern indicates
A.Surface to be left unmachined
B.Surfaces to be machined
C.Core prints
D.Seats for loose core prints
E.Fillets
In any transmission line, which two generalised constants are equal?
A.A and B
B.A and C
C.B and C
D.C and D
E.A and D
Average amount of sand required in a foundry for making one tonne of casting is nearly
A.0.1 tonne
B.0.2 tonne
C.2 tonnes
D.20 tonnes
Compression ratio for spark ignition engines varies in the range
A.4 to 6
B.6 to 12
C.12 to 20
D.20 to 25
E.25 to 30
The value of mannings roughness coefficient n, in Manning’s formula for flow of fluids through pipes, is expected to be highest in case of
A.Brass pipe
B.Glass pipe
C.Asbestos cement pipe
D.Corrugated iron pipe
E.Vitrified sewer pipe
