Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is __________ micro gram (μ g)/litre.

Question: Mild steel is
[A].

a low carbon steel (0.05 to 0.3% carbon).

[B].

highly resistant to corrosion (as much as stainless steel).

[C].

a high carbon steel (0.5 to 1.5% carbon).

[D].

very poor in strength & ductility.

Answer: Option A

Explanation:

No answer description available for this question.

Question: Nickel base alloys with __________ are known as monel metal.
[A].

zinc

[B].

tin

[C].

copper

[D].

molybdenum

Answer: Option C

Explanation:

No answer description available for this question.