Silicon steel is used for
A.Boiler plates
B.Industrial knives
C.Ball bearings
D.Dies
E.Electrical stampings
Category: Engineeeing 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 complete combusion of 1 pound of carbon requires
A.2.66 pounds of air
B.29 pounds of air
C.11.5 pounds of air
D.12.6 pounds of air
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
Three rods one made of glass, one of pure aluminium and one made of wrought iron are heated to 150?C. All the rods are 15 mm in diameter and 300 mm long. The lowest temperature at the free end of the rods will occur in case of
A.Aluminium rod
B.Wrought iron rod
C.Glass rod
D.Temperature will be same for all the three rods at free end
E.Temperature will depend on the surrounding air temperature
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 degree of ionisation does not depend upon
A.nature of solvent
B.nature of solute
C.temperature
D.current strength
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
