The light gauge steel structural members are usually
A.hot rolled
B.cold rolled
C.casted
D.riveted
Category: Mechanical Engineering Mcqs
Which hardening process is generally not used for steels?
A.Induction hardening
B.Age hardening
C.Nitriding
D.Pack carburising
E.Cyanidin
As per Indian Boilers Regulations the type of joint preferred for circumferential joints is
A.Welded joint
B.Welded joint with cover plate
C.Riveted lap joint
D.Reveted butt joint
E.Any of above
Which of the following is the least preferred conveyor for handling glue?
A.Belt conveyor
B.Continuous flow conveyor
C.Pneumatic conveyor
D.Screw conveyor
When a strip made of iron and copper is heated
A.it does not bend
B.it gets twisted
C.it bends with iron on concave side
D.it bends with iron on convex side
A error that always follows the same definite mathematical or physical law is known as
A.Systematic error
B.Mathematical error
C.Detectable error
D.Physical error
E.Cumulative error
In centrifugal castings, the cores are generally made of
A.Green sand and molasses
B.Wax
C.Plastic
D.Plaster of paris
E.Cores are not used
Steel balls for ball bearings are hardened to
A.100 VPN
B.150-200 VPN
C.200-400 VPN
D.400-700 VPN
E.700-800 VPN
The efficiency of cycle would be
A.100 percent
B.88.8 percent
C.78.3 percent
D.66.7 percent
E.37.7 percent
The calorific value of coal gas is expected to be around
A.500 kcal/m3
B.1500 kcal/m3
C.2500 kcal/m3
D.5000 kcal/m3
E.7500 kcal/m3
