MPPSC Scientific Officer Forensic Science & Forensic Ballistics Paper 2013

MPPSC Scientific Officer Forensic Science & Forensic Ballistics Paper 2013

Which of the following techniques provide a unique absorption spectrum for the organic explosives?
(a) I.R. Spectrophotometry
(b) U.V. visible spectrophotometry
(c) X-ray fluorescence spectrometry
(d) Atomic emission spectrometry

Which of the following techniques provide a unique diffraction pattern of the inorganic constitutes of the explosives ?
(a) U.V. visible spectrophotometry
(b) Atomic Absorption Spectrometry
(c) X-ray diffraction
(d) Emission Spectrography

Bomb made up of high explosives must be detonated by
(a) Non-initiating explosion
(b) initiating explosion
(c) Percussion cap
(d) Black powder

High explosives detonates at the rate of
(a) 1000 – 8500 mtr/sec
(b) 900 – 1000 mtr/sec
(c) 800 – 950 mtr/sec
(d) 700 – 900 mtr/sec

Which of the following is a high explosives ?
(a) picric acid
(b) PETN
(c) Black Powder
(d) Mercury fulminate

Imitating explosives are sensitive to
(a) Heat
(b) Shock
(c) Friction
(d) All of these

ANFO Contains
(a) Urea Nitric Acid
(b) Ammonium nitrate and ferric oxide
(c) Ammonium nitrate and glycerine
(d) Ammonium nitrate and fuel oil

Which of the following is a plastic explosives ?
(a) Nitroglycerine
(b) TNT
(c) Nitrocellulose
(d) RDX

Which of the following is a liquid explosives?
(a) RDX
(b) PETN
(c) HMX
(d) TATP

Dynamite is manufactured with the help of
(a) Mercury fulminate
(b) Nitroglycerine
(c) Ammonium nitrate
(d) Potassium nitrate

In close range firing which of the following is NOT present ?
(a) Muzzle pattern
(b) Blackening
(c) Spreading of pellets and forming pattern
(d) Both (a) & (b)

Wounding effect of a projectile depends upon
(a) Target site
(b) The velocity and the range of the firearm
(c) Both (a) & (b)
(d) None of the above

Explosives wound is formed because of
(a) Vacuum created by the high velocity projectile
(b) Gyratory motion of projectile is very high
(c) YAW
(d) All of the above

Spread of pellet pattern are affected by
(a) The legnth of barrel of the firearm
(b) Muzzle end of the barrel
(c) Both (a) & (b)
(d) None of the above

In pistol the bullets are always
(a) Jacketed
(b) Rimless
(c) Both (a) & (b)
(d) None of the above