technical quiz for 2nd years

A number of forces acting at a point will be in equilibrium,if

• both c,d

• Sum of all the forces is zero

• sum of resolved parts in the vertical direction is zero

• sum of resolved parts in the horizontal direction is zero

A couple produces

• translatory motion

• Rotational motion

• combined translatory and rotational motion

• None of the above

Moment of inertia is the

• second moment of force

• second moment of area

• second moment of mass

• all of these

A spherical body is symmetrical about its perpendicular axis.According to Routh's rule,the moment of inertia of a body about an axis passing through its centre of gravity is

• MS/3

• MS/4

• MS/5

• none of the above

when a cantilever beam is loaded with concentrated loads,the bending moment diagram will be a

• horizontal straight line

• vertical straight line

• inclined straight line

• parabolic curve

.A continuous beam is one which is

• fixed at both ends

• fixed at one end and free at the other end

• supported on more than two supports

• extending beyond the supports

The heat and work are mutually convertible.This statement is called______ law of thermodynamics.

• zeroth

• first

• second

• kelvin-plank's law

the behaviour of superheated vapour similar to that of

• perfect gas

• air

• steam

• odinary gas

the hardness is the property of a material due to which it

• can be drawn into wires

• breaks with little permanent distortion

• can cut another material

• can be rolled or hammered into thin sheets

free carbon in iron makes the metal

• soft and gives a coarse grained crystalline structure

• soft and gives a fine grained crystalline structure

• hard and gives coarse grained crystalline structure

• hard and gives a fine grained crystalline structure