CSS - PMS - CCE - PCS - General Science
Applied Chemistry - Explosives
Modern military explosives are designed to be:
A. Highly unstable
B. Controlled and powerful
C. Weak
D. Non-reactive
Correct Answer: B
Safety + power balance required.
CSS - PMS - CCE - PCS - General Science
Applied Chemistry - Explosives
The main danger of explosives is:
A. Slow reaction
B. Uncontrolled explosion
C. No reaction
D. Cooling effect
Correct Answer: B
Can cause accidental detonation.
CSS - PMS - CCE - PCS - General Science
Applied Chemistry - Explosives
Oxygen source in explosives is called:
A. Fuel
B. Oxidizer
C. Catalyst
D. Solvent
Correct Answer: B
Supplies oxygen for combustion.
CSS - PMS - CCE - PCS - General Science
Applied Chemistry - Explosives
Explosives react mainly through:
A. Reduction
B. Oxidation
C. Neutralization
D. Evaporation
Correct Answer: B
Rapid oxidation releases energy.
CSS - PMS - CCE - PCS - General Science
Applied Chemistry - Explosives
TNT is considered a:
A. Primary explosive
B. Secondary explosive
C. Fuel
D. Gas
Correct Answer: B
It needs detonator.
CSS - PMS - CCE - PCS - General Science
Applied Chemistry - Explosives
The term “blast wave” refers to:
A. Heat only
B. Shock wave from explosion
C. Smoke only
D. Light wave
Correct Answer: B
High-pressure wave caused by explosion.
CSS - PMS - CCE - PCS - General Science
Applied Chemistry - Explosives
Modern explosives are mainly used in:
A. Cooking
B. Mining and defense
C. Painting
D. Farming
Correct Answer: B
Industrial and military use.
CSS - PMS - CCE - PCS - General Science
Applied Chemistry - Explosives
Explosives are dangerous due to:
A. Low energy
B. Rapid energy release
C. Slow reaction
D. No reaction
Correct Answer: B
Sudden release causes destruction.
CSS - PMS - CCE - PCS - General Science
Applied Chemistry - Explosives
The velocity of detonation of RDX is about:
A. 1000 m/s
B. 3500 m/s
C. 8750 m/s
D. 2000 m/s
Correct Answer: C
RDX is extremely fast explosive.
CSS - PMS - CCE - PCS - General Science
Applied Chemistry - Explosives
Safety fuse is used to:
A. Stop explosion
B. Delay ignition
C. Cool explosive
D. Increase pressure
Correct Answer: B
Provides time delay before explosion.
CSS - PMS - CCE - PCS - General Science
Applied Chemistry - Explosives
The main gas produced in explosions is:
A. Oxygen
B. Carbon dioxide and nitrogen gases
C. Hydrogen only
D. Helium
Correct Answer: B
Rapid gas formation causes pressure.
CSS - PMS - CCE - PCS - General Science
Applied Chemistry - Explosives
Explosion in chemistry is mainly:
A. Endothermic reaction
B. Exothermic reaction
C. Neutral reaction
D. Physical change
Correct Answer: B
Releases energy rapidly.
CSS - PMS - CCE - PCS - General Science
Applied Chemistry - Explosives
Explosives are stored in:
A. Open air
B. Controlled environments
C. Water
D. Sunlight
Correct Answer: B
To prevent accidental detonation.
CSS - PMS - CCE - PCS - General Science
Applied Chemistry - Explosives
Solid explosive example is:
A. Water
B. TNT
C. Oxygen
D. Nitrogen
Correct Answer: B
TNT is solid explosive.
CSS - PMS - CCE - PCS - General Science
Applied Chemistry - Explosives
Liquid explosive example is:
A. TNT
B. Nitroglycerin
C. ANFO
D. Gunpowder
Correct Answer: B
Highly unstable liquid explosive.
CSS - PMS - CCE - PCS - General Science
Applied Chemistry - Explosives
The purpose of stabilizers in explosives is to:
A. Increase speed
B. Reduce sensitivity
C. Increase heat
D. Increase weight
Correct Answer: B
Makes explosives safer to handle.
CSS - PMS - CCE - PCS - General Science
Applied Chemistry - Explosives
Lead azide is used in:
A. Detonators
B. Fertilizers
C. Food
D. Medicine
Correct Answer: A
Used to trigger explosions.
CSS - PMS - CCE - PCS - General Science
Applied Chemistry - Explosives
Primary explosive example is:
A. TNT
B. Lead azide
C. RDX
D. ANFO
Correct Answer: B
Very sensitive explosive.
CSS - PMS - CCE - PCS - General Science
Applied Chemistry - Explosives
Explosives are classified into:
A. 1 type
B. 2 types
C. 3 types
D. 4 types
Correct Answer: C
Primary, secondary, tertiary types.
CSS - PMS - CCE - PCS - General Science
Applied Chemistry - Explosives
The energy in explosives comes from:
A. Physical change
B. Chemical reaction
C. Nuclear fission
D. Light energy
Correct Answer: B
Rapid oxidation reactions release energy.