Trough of an apron conveyor is made of___________________?

Question: Invar used in thermocouples is an alloy of nickel and
[A].

iron

[B].

copper

[C].

chromium

[D].

lead

Answer: Option A

Explanation:

No answer description available for this question.

Question: Containers made of high silicon cast iron (14% Si) are not suitable for the storage of
[A].

acetic acid.

[B].

benzoic & boric acids.

[C].

phosphoric acid (95%) & sulphuric acid (95%).

[D].

hydrochloric acid (concentrated).

Answer: Option D

Explanation:

No answer description available for this question.

Question: Carbon percentage in medium carbon steel is around
[A].

0.1 to 0.35

[B].

0.35 to 0.5

[C].

0.8 to 1.4

[D].

1 to 1. 5

Answer: Option B

Explanation:

No answer description available for this question.

Question: Glass is corroded by
[A].

fluorine (dry or wet)

[B].

sulphuric acid

[C].

phosphoric acid

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.