Q.1
A framed structure is perfect if it contains members equal to (where n = number of joints in a frame)
Q.2
In the equation of virtual work, following force is neglected
Q.3
The M.I. of hollow circular section about a central axis perpendicular to section as compared to its M.I. about horizontal axis is
Q.4
In actual machines
Q.5
A heavy ladder resting on floor and against a vertical wall may not be in equilibrium, if
Q.6
Two non-collinear parallel equal forces acting in opposite direction
Q.7
Which of the following is the example of lever of first order?
Q.8
The C.G. of a right circular solid cone of height h lies at the following distance from the base
Q.9
According to principle of moments
Q.10
Forces are called coplanar when all of them acting on body lie in
Q.11
Which of the following is not the unit of distance ?
Q.12
The algebraic sum of moments of the forces forming couple about any point in their plane is
Q.13
A force acting on a body may
Q.14
The coefficient of friction depends on
Q.15
A trolley wire weighs 1.2 kg per meter length. The ends of the wire are attached to two poles 20 meters apart. If the horizontal tension is 1500 kg find the dip in the middle of the span
Q.16
Which of the following is not the unit of pressure ?
Q.17
Forces are called concurrent when their lines of action meet in
Q.18
From a circular plate of diameter 6 cm is cut out a circle whose diameter is a radius of the plate. Find the e.g. of the remainder from the center of circular plate
Q.19
The angle which an inclined plane makes with the horizontal when a body placed on it is about to move down is known as angle of
Q.20
When trying to turn a key into a lock, following is applied
Q.21
Which is the correct statement about law of polygon of forces ?
Q.22
In the lever of third order, load W, effort P and fulcrum F are oriented as follows
Q.23
A number of forces acting at a point will be in equilibrium if
Q.24
In ideal machines
Q.25
Coefficient of friction is the
Q.26
Pick up wrong statement about friction force for dry surfaces. Friction force is
Q.27
The possible loading in various members of framed structures are
Q.28
Which of the following is not the unit of work, energy and heat ?
Q.29
A cable with a uniformly distributed load per horizontal metre run will take the following shape
Q.30
A pair of smith’s tongs is an example of the lever of
0 h : 0 m : 1 s