Filler metal is used in __________ welding.

Question: In which of the following reactions, application of vacuum will help ?
[A].

Number of gas molecules in the product side is more than that on the reactant side.

[B].

Number of gas molecules in the reactant side is more than that on the product side.

[C].

Number of gas molecules are the same on both the reactant & the product side.

[D].

None of the above.

Answer: Option D

Explanation:

No answer description available for this question.

Question: Desalination of water
[A].

makes it potable.

[B].

makes it non-potable.

[C].

means distillation of water.

[D].

none of these.

Answer: Option A

Explanation:

No answer description available for this question.

Question: Boiler draught of 10 mm water column is equivalent to
[A].

1 kgf/m2

[B].

10 kgf/m2

[C].

10 kgf/mm2

[D].

1 kgf/mm2

Answer: Option B

Explanation:

No answer description available for this question.