Question

_________ is used in high pressure hydraulic ash handling system, to quench the ash.

(a) Turbines

(b) Lubricants

(c) Water troughs

(d) Nozzle sprays

I got this question by my school principal while I was bunking the class.

This intriguing question comes from Cool and Ash Handling System in division Steam Power Plant of Energy Engineering

Answer 1

The correct choice is (d) Nozzle sprays

For explanation I would say: As we know Nozzles are used to increase pressure. Also, they are also used to quench the ash. The ash falling from the conveyor belt is quenched to make it flow down through the sump. Water trough is used in order to avoid dust creating from falling ash from the furnace.