Top 350+ Solved Applied Mechanics MCQ Questions Answer
Q. TIES : STRUTS :
a. purlins : piers
b. angle : tee
c. rolle support : hinge
d. compression : tension
e. 107 dynes
Q. The angle which an inclined surface makes with the horizontal when a body placed on it is on the point moving down is known as
a. Angle of friction
b. Angle of limiting friction
c. Angle of inclination
d. Angle of repose
e. None of the above
Q. The radius of gyration of a solid sphere of radius r is equal to
a. 0.8 r2
b. 0.2 r2
c. 0.3 r2
d. 0.4 r2
e. 0.5 r2
Q. Ice is slippery when a man walks on it because
a. Increase of pressure causes it to melt
b. Ice is brittle
c. There is no friction
d. It is very chill
e. Its surface is smooth
Q. The mass, in kg, of the earth if its radius is 6400 km, will be
a. 6 x 1024
b. 6 x 1025
c. 107 dynes
d. 6 x 1023
e. 6 x 1022
Q. A particle of mass M moves towards right with a velocity 2 V along the x-axis and another of mass 2 M with a velocity V towards left (- x axis). After the collision (they stick together on colliging) they will
a. come to rest
b. 107 dynes
c. move towards right
d. may move in any direction
e. move towards left
Q. A cannon of weight 10 tonnes fires a shell of 50 kg with a muzzle velocity of 900 m/sec at an angle of 30?. The time taken for the shell to emerge from the barrel is 0.004 sec. The velocity of the cannon would be
a. 3.9 m/sec
b. 7.8 m/sec
c. 8.95 m/sec
d. 1.95 m/sec
e. 5.85 m/sec
Q. In the third system of pulleys, if there are n number of pulleys then the velocity ratio of the system will be
a. 2n - 2
b. n
c. 107 dynes
d. 2n-1
e. 2n