Which of the following crane is self-propelled?
A.Locomotive crane
B.Column jib crane
C.Derricks
D.all of the above
Category: Mechanical Engineering Mcqs
An equipotential line
A.Has no velocity component tangent to it
B.Has uniformly varying dynamic pressure
C.Has no velocity component normal to it
D.Exists in case of rotational flow
E.Exists in case of turbulent flow only
Manganin does not contain
A.Zinc
B.Copper
C.Manganese
D.Nickel
E.All of the above
Automobile radiator is filled with
A.Alkaline water
B.Acidic water
C.Hard water
D.Rain water
E.Soft water
By technological innovations if the cost of raw material is reduced, this will result in
A.Increases constant expenses
B.Reduced constant expenses
C.Lower profits
D.Lower break even point
E.High break even point
In case of a hinged support, the reaction
A.Acts perpendicular to the surface of hinge
B.Acts perpendicular to the beam
C.Acts along the axis of beam
D.Acts in a direction opposite to the resultant shear force at the support
E.In a direction which depends on the loads
The moment of inertia of a solid sphere of radius r is
A.Mr2
B.1/2 Mr2
C.1/8 Mr2
D.2/3 Mr2
In case of eccentrically loaded struts
A.Hollow section is preferred
B.Solid section is preferred
C.Composite section is preferred
D.Reinforced section is preferred
E.Any of the above sections mauy be used
During inflation
A.prices rise
B.prices drop
C.prices remain unchanged
D.prices fluctuate heavily
In gas welding, the welding rods of 30 mm diameter are available. What will be the maximum thickness of material that can be welded with this rod?
A.3 mm
B.6 mm
C.12 mm
D.25 mm
E.30 mm
