71. Musket is a
(A) Muzzle loader
(B) Rifled arm
(D) A shoulder firearm with smooth bore barrel
72. In bullet projectory the maximum range can be attained if the angle of projection is:
73. The energy of the projectile is calculated by
(D) 1/2 MV2
74. Assertion (A): In shotgun, the dispersion of pellets is more in the true cylinder gun than choked gun.
Reason (R): Choking of barrel is not related to dispersion of pellet.
(A) Both (A) and (R) are correct
(B) (R) is correct, but (A) is incorrect
(C) (A) is correct, but (R) is incorrect
(D) Both (A) and (R) are incorrect
75. Dumdum Bullet is so called becaus :
(A) Tip is chiselled off.
(B) It is made of Cu and Ni.
(C) It is very small bullet.
(D) Its velocity is very high.