Nickel and __________ are the alloying element added in steel to increase its toughness.

Question: Oxygen required for theoretically complete combustion of 1 Nm3 methane is __________ Nm3.
[A].

2

[B].

4

[C].

6

[D].

1

Answer: Option A

Explanation:

No answer description available for this question.

Question: Low temperature carbonisation
[A].

is mainly for producing the smokeless domestic coke.

[B].

is meant for the production of ‘metallurgical coke’.

[C].

produces higher quantity of gas than high temperature carbonisation.

[D].

produces less quantity of tar than high temperature carbonisation.

Answer: Option A

Explanation:

No answer description available for this question.