Silicon steel is used for
A.Boiler plates
B.Industrial knives
C.Ball bearings
D.Dies
E.Electrical stampings
Category: Mechanical Engineering Mcqs
In which of the following cases creep is an important consideration?
A.Cast iron water pipes
B.Cycle chains
C.Gas turbine blades
D.Steam engine flywheel
E.All of the above
Which of the following material has highest specific gravity?
A.Brass
B.High carbon steel
C.Lead
D.Aluminium
E.Copper
The ‘crowning’ of flat pulleys is generally done pulley
A.To reduce belt friction
B.To prevent belt joining from damaging the belt surface
C.To prevent the belt from running off the pulley
D.In case of cross belt drives only
E.None of the above
If two bodies one light and one heavy have equal kinetic energies, which one has a greater momentum?
A.Heavy body
B.Light body
C.Both have equal momentum
D.Momentum depends on velocities
E.Nothing can be concluded on the basis of information provided
The gear ratio in the differential unit of a passenger car is of the order of
A.2 ; 1
B.3 ; 1
C.6 ; 1
D.8 ; 1
E.10 ; 1
A micron is
A.1 mm
B.0.1 mm
C.0.01 mm
D.0.001 mm
E.0.0001 mm
Car speed of a lift is usually
A.0.1 to 0.3 m/s
B.0.5 to 1 m/s
C.2 to 5 m/s
D.7 to 10 m/s
If an article develops insufficient hardening after quenching it could be due to any of the following EXCEPT:
A.Internal stresses in the article before heating
B.Hardening temperature too low
C.Cooling rate too slow
D.Holding insufficient at the hardening temperature
UNI standards are followed in
A.India
B.Indonesia
C.Italy
D.America
E.France
