In water tube boilers ___________

water passes through the tubes which are surrounded by flames and hot gases

the flames and hot gases pass through the tubes which are surrounded by water

Fuel gases containing hydrocarbons (e.g. coke oven gas) are not preheated before burning, mainly because ____________

it reduces its flame temperature tremendously

there are chances of explosion during preheating

it reduces its calorific value tremendously

the hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot

it reduces its flame temperature tremendously

What is the function of the fusible plug installed in a furnace?

to detect water level in the tube

to detect water level in the shell

Explore topic-wise MCQs in Power Plant.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Power Plant knowledge and support exam preparation. Choose a topic below to get started.

1.	In water tube boilers ___________
A.	forced circulation takes place
B.	water passes through the tubes which are surrounded by flames and hot gases
C.	the flames and hot gases pass through the tubes which are surrounded by water
D.	none of the mentioned
Answer» D. none of the mentioned

Discussion

2.	Fuel gases containing hydrocarbons (e.g. coke oven gas) are not preheated before burning, mainly because ____________
A.	there are chances of explosion during preheating
B.	it reduces its calorific value tremendously
C.	the hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot
D.	it reduces its flame temperature tremendously
Answer» D. it reduces its flame temperature tremendously

Discussion

3.	What is the function of the fusible plug installed in a furnace?
A.	to detect excess current
B.	to detect excess heat
C.	to detect water level in the tube
D.	to detect water level in the shell
Answer» E.

Discussion