Code: A-03
Time: 3 Hours
Subject: APPLIED MECHANICS
Max. Marks: 100

NOTE: There are 11 Questions in all.

  • Question 1 is compulsory and carries 16 marks. Answer to Q. 1. must be written in the space provided for it in the answer book supplied and nowhere else.
  • Answer any THREE Questions each from Part I and Part II. Each of these questions carries 14 marks.
  • Any required data not explicitly given, may be suitably assumed and stated.
Q.1       Choose the correct or best alternative in the following: (2x8)
a. Three forces acting on a rigid body are in equilibrium. They must be
 
(A) coplanar.
(C) parallel.

 

 (B) concurrent .
(D) collinear.

 
b. A perfect plane truss hinged at one end and simply supported at the other has 9 joints. The number of members, n in the truss would be
 

(A) 8.
(C) 12.

 

(B) 10.
(D) 15.

 
c.

A body of weight W rests on a rough inclined plane with an angle to the horizontal and the angle of friction is . The total reaction of the plane on the body is inclined to the vertical at
 

(A) 0°
(C) 

 

(B)  
(D) +

 
d. A flywheel of diameter 1m is rotating at an angular velocity of 2 radians/s and an angular acceleration of 3 radians/s2. The acceleration of a point on the rim of the flywheel would be
 

(A) 0 m/s2.
(C) 2 m/s2.

 

(B) 1.5 m/s2.
(D) 2.5 m/s2.

 
e. A beam hinged at both ends is acted upon by a couple M at the centre. The maximum bending moment in the beam is
  (A) 0.
(C) M.
(B) M/2.
(D) 2M.
     
 
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