Delivery head of water of a centrifugal pump is inversely proportional to diameter of its impeller.

Question: Free cutting steels
[A].

contain carbon in free from

[B].

require minimum cutting force

[C].

is used where rapid machining is the prime requirement

[D].

can be cut freely

Answer: Option C

Explanation:

No answer description available for this question.

Question: Pearlite consists of
[A].

13% carbon and 87% ferrite

[B].

13% cementite and 87% ferrite

[C].

13% ferrite and 87% cementite

[D].

6.67% carbon and 93.33% iron

Answer: Option B

Explanation:

No answer description available for this question.