Function of gear box is to____________________?

Question: Function of feed check valve in a boiler is to
[A].

facilitate circulation of high pressure feed water.

[B].

check the water level in the boiler drum.

[C].

prevent the back flow of water.

[D].

regulate the water flow to boiler.

Answer: Option C

Explanation:

No answer description available for this question.

Question: Lowering of recrystallisation temperature of metals can be achieved by its
[A].

grain refinement.

[B].

purification.

[C].

working at lower temperature.

[D].

all a, b & c.

Answer: Option D

Explanation:

No answer description available for this question.

Question: __________ is the process of coating the surface of steel with aluminium oxide, thereby imparting it increased resistance to corrosion & oxidation upto a temperature of 700°C.
[A].

Vaneering

[B].

Galvanising

[C].

Electroplating

[D].

Calorising

Answer: Option D

Explanation:

No answer description available for this question.