Steam trap is a device that
A.Allows passage of water but prevents the passage of steam
B.Allows passage of air but prevents passage of steam
C.Allows passage of the flue gases but prevents flow of steam
D.None of the above
Category: Mechanical Engineering Mcqs
Refrigerant R-40 is
A.Air
B.Methyl chloride
C.Glycol
D.Brine
E.None of the above
The knocking in S.I. engines can be prevented if the end mixture is having
A.high density
B.medium density
C.low density
D.none of the above
White metal contains
A.Lead and bismuth
B.Mercury and zinc
C.Lead and zinc
D.Lead and copper
E.Copper, zinc and mercury
Identify the incorrect statement about true stress-strain method
A.There is no such phenomenon like true stress or true strain
B.True stress is load per unit area (actual) and sunilarly true strain is determined under actual conditions
C.This method can be used for compression tests as well
D.It is more sensitive to changes in mechanical conditions
E.It is more sensitive to changes in metallurgical conditions
Heating elements for domestic and industrial electrical applications are made of
A.Duralumin
B.Invar
C.Nichrome
D.Babbit metal
E.Delta metal
The metacentric height of ocean going vessels is usually of the order of
A.30 cm to 1.2 m
B.1.8 m to 2.0 m
C.3 m to 5 m
D.5 m to 7 m
E.8 m to 10 m
The thickness of belt is usually specified in terms of
A.index number
B.merit number
C.number of plies
D.thickness in mm
In case of plaster moulding the mould is prepared in
A.gypsum plaster
B.slacked lime
C.lime + cement
D.any of the above
Standing orders act provides for penalties for
A.Failure of an employer to submit the draft standing orders for certification
B.Modifications of standing orders not in accordance with the prescribed procedure
C.Doing any act in contravention of the certified above
D.(A) and (B) above
E.(A), (B) and (C) above
