MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Industry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which explosive is known as magic marble of pardubice ? |
| A. | ANFO |
| B. | TNT |
| C. | RDX |
| D. | Semtex |
| Answer» E. | |
| 2. |
Which explosive corrodes most metal? |
| A. | Smokeless powder |
| B. | Black powder |
| C. | HMTD |
| D. | Dynamite |
| Answer» D. Dynamite | |
| 3. |
Which explosives are used for primarily mines and demolition explosives? |
| A. | TNT |
| B. | Urea nitrate |
| C. | HMTD |
| D. | TATP |
| Answer» B. Urea nitrate | |
| 4. |
Which explosives is known as octogen ? |
| A. | RDX |
| B. | HMX |
| C. | Semtex |
| D. | Black powder |
| Answer» C. Semtex | |
| 5. |
Which explosives are only soluble in acetone but insoluble in water? |
| A. | PETN |
| B. | HMX |
| C. | ANFO |
| D. | C4 |
| Answer» C. ANFO | |
| 6. |
PETN ( Pentaerythritol tetranitrate) is highly sensitive for which factor? |
| A. | Shock |
| B. | Non-toxic |
| C. | Insensitive to heat |
| D. | Ignite and burn |
| Answer» B. Non-toxic | |
| 7. |
In which form C4 explosives are appeared? |
| A. | Colourless crystal |
| B. | Odorless |
| C. | Smells like motor oil |
| D. | Dyed pink powder |
| Answer» D. Dyed pink powder | |
| 8. |
In which categories explosives are used in highest amount? |
| A. | Coal mining |
| B. | Metal mining |
| C. | Non-metallic mining |
| D. | Construction |
| Answer» B. Metal mining | |
| 9. |
What is the property of low explosives? |
| A. | Reaction rates are high |
| B. | Requires an initiator |
| C. | Reaction rates are slow |
| D. | Yield at low flame temperature |
| Answer» D. Yield at low flame temperature | |
| 10. |
Which one mentioned below is one of commercial explosives? |
| A. | HMTD |
| B. | Dynamite |
| C. | RDX |
| D. | C4 |
| Answer» C. RDX | |