31. Blue colour of PDS kerosene is due to the presence of which dye?
(A) Phenyl azo-naphthol
(B) Dialkyl amino anthraquinone
(C) Anthraquinone
(D) Anthracene
Answer: (B)
32. SEMTEX is a high explosive, which is a combination of the following:
(A) Nitroglycerine and Ammonium Nitrate
(B) RDX and TNT
(C) Dynamite and ANFO
(D) PETN and RDX
Answer: (D)
33. Berdon primer is a primer
(A) within an anvil
(B) without an anvil
(C) in the form of pill
(D) primer in the centre of the cartridge
Answer: (B)
34. The diameter of 8 bore shot gun is
(A) 0.615″
(B) 0.729″
(C) 0.835″
(D) 0.913″
Answer: (C)
35. The trigger pull of service rifle is
(A) 6 – 7 lbs
(B) 9 – 12 lbs
(C) 12 – 15 lbs
(D) 15 – 18 lbs
Answer: (A)
36. Ejector is not found in
(a) 303 Rifle
(b) Musket
(c) Revolver
(d) Automatic pistol
Codes:
(A) (b) and (d) are correct.
(B) (a) and (c) are correct.
(C) (a) and (b) are correct.
(D) (b) and (c) are correct.
Answer: (D)
37. Chronograph is an instrument which measures the following in forensic ballistics:
(A) Temperature inside the barrel of gun
(B) Velocity of the projectile
(C) Trajectory of the projectile
(D) Angle of fire of a gun
Answer: (B)
38. Bullet that leaves a visible smoke mark on the flight is called
(A) Fragile bullet
(B) Jacketed bullet
(C) Tracer bullet
(D) Hollow point bullet
Answer: (C)
39. Fibers obtained from animals or plants may also be called as
(A) Synthetic fiber
(B) Natural fiber
(C) Manmade fiber
(D) Regenerated fiber
Answer: (B)
40. Following are the salivary glands found in humans:
(A) Parotid gland
(B) Sublingual gland
(C) Submandibular glands
(D) All of the above
Answer: (D)
