Corrosion in boilers can be prevented by

N

Nisha Gupta • 2.32K Points
Master

Q. Corrosion in boilers can be prevented by

(A) Deaeration of feed water

(B) Enhancing pH of feed water by adding alkali

(C) Feeding sodium sulphite or hydrazine phosphate to the boilers, which combines with oxygen and prevents corrosion

(D) All (A), (B) and (C)

Correct : Option (D)

Share

Discusssion

Login to discuss.

Be the first to start discuss.

Related MCQs

Q. The lines passing through points at which the magnetic declination is equal at a given time are called ?

Q. The centrifugal pump preferred for a specific speed between 80 to 160 r.p.m. is

Q. from given below, which method for the dewatering of foundation trenches is portable and can be easily moved when required.

Q. Which are the sickness that cannot arise due to working in pneumatic caisson?

Q. Which one of this is not a shallow foundation?

Q. Rolled steel angle sections are classified as

Q. A wooden block fixed on back side of a door frame on its post, is known as

Q. The dynamic viscosity of the liquid __________ with rise in temperature.

Q. The impeller of a centrifugal pump may have ?

Q. Normally, the angle of roof truss with asbestos sheets should not be less than