quiz of coal and ash handling plant

Comprehensive Quiz on Coal and Ash Handling Plants

Coal and ash handling plants are critical components of thermal power stations, ensuring the efficient transportation, storage, and disposal of coal and combustion byproducts. This quiz tests your knowledge of the key aspects of these systems.

Section 1: Coal Handling Plant (CHP) Basics
1. What is the primary function of a coal handling plant in a thermal power station?
- A) To generate electricity
- B) To transport, store, and feed coal to boilers
- C) To filter exhaust gases
- D) To cool down steam

2. Which equipment is commonly used for unloading coal from railway wagons?
- A) Belt conveyor
- B) Wagon tippler
- C) Crusher
- D) Stacker-reclaimer

3. What is the purpose of a crusher in a CHP?
- A) To separate ash from coal
- B) To reduce coal size for efficient combustion
- C) To store coal in bunkers
- D) To transport coal via pipelines

Section 2: Ash Handling Systems
4. What are the two main types of ash produced in a boiler?
- A) Dry ash and wet ash
- B) Fly ash and bottom ash
- C) Heavy ash and light ash
- D) Solid ash and liquid ash

5. Which system uses water to transport bottom ash from the boiler to disposal areas?
- A) Pneumatic conveying system
- B) Mechanical drag chain conveyor
- C) Hydraulic sluice system
- D) Bucket elevator system

6. Why is fly ash collected before releasing flue gases into the atmosphere?
- A) To improve boiler efficiency
- B) To prevent air pollution and comply with environmental regulations
- C) To reduce fuel consumption
- D) To increase steam pressure

Section 3: Safety & Environmental Concerns
7. What is a major hazard associated with coal dust in handling plants?
- A ) Corrosion of equipment
- B ) Explosion risk due to flammability
- C ) Reduced boiler efficiency
- D ) Increased water consumption

8 . How can spontaneous combustion be prevented in coal stockpiles ?
- A ) By spraying water regularly
- B ) By compacting the