In case clutch is to be introduced in the drive for belt conveyor, which clutch will be preferred?
A.Dog clutch
B.Spring loaded clutch
C.Hydraulic clutch
D.Any of the above
Category: Mechanical Engineering Mcqs
Balanced draft incorporates
A.Forced draft
B.Induced draft
C.Forced and induced draft
D.Chimney draft only
Which of the following area of work needs lowest noise level?
A.Gymnasiums
B.Lecture halls
C.Library
D.Kitchens
The air standard efficiency of a Diesel engine depends on
A.Compression ratio
B.Speed
C.Torque
D.Cetane value of fuel used
E.Thermodynamic properties of working fluid
The speed of sound through human body is around
A.344 m/s
B.688 m/s
C.1560 m/s
D.3120 m/s
1 bar pressure is nearly equal to
A.1 mm Hg
B.13.4 mm Hg
C.100 mm Hg
D.735 mm Hg
E.750 mm Hg
When silicon is added in the cast iron 13-17 percent is given an alloy which is
A.Very soft
B.Easily machinable
C.Acid and corrosion resistant
D.It is not possible to have such high percentage of silicon
E.Powder casted
The defect responsible for the phenomenon of slip, by which most metals deform plastically, is known as
A.Fracture
B.Twinning
C.Dislocation
D.Strain hardening
E.None of the above
Which of the following is generally not used as a thermocouple material?
A.Platinum – Rhodium
B.Chromel – Alumel
C.Gold – Silver
D.Chromel – Copper
E.None of the above
In a slider-crank mechanism
A.there are 4 turning pairs
B.one is a turning pair and 3 sliding pairs
C.two turning pairs and two sliding pairs
D.None of the above
