Absolute zero, pressure will occur, when the molecular momentum of the system becomes zero. A liquid will cease to exist as liquid at

Question: Function of fusible plug in a boiler is to
[A].

drain out water and sludge from the boiler during repair.

[B].

put off fire in the furnace when water level in the boiler falls to unsafe limit.

[C].

guard the boiler in case of abnormal rise in steam pressure.

[D].

all (a), (b) & (c).

Answer: Option B

Explanation:

No answer description available for this question.

Question: In case of brasses, with decreasing zinc percentage and increasing copper percentage, its __________ increases.
[A].

percentage elongation

[B].

brinell hardness

[C].

tensile strength

[D].

all ‘a’ , ‘b’ & ‘c’

Answer: Option A

Explanation:

No answer description available for this question.

Question: Dezincification is a form of corrosion espe-cially applicable to
[A].

brass

[B].

nichrome

[C].

stainless steel

[D].

monel

Answer: Option A

Explanation:

No answer description available for this question.

Question: Austenite is not
[A].

ductile

[B].

malleable

[C].

magnetic

[D].

soft

Answer: Option C

Explanation:

No answer description available for this question.