________________ property of steel increases by addition of large amount of silicon in it?

Question: Hardness & tensile strength of austenitic stainless steel can be increased by
[A].

martempering

[B].

cold working

[C].

normalising

[D].

hardening

Answer: Option B

Explanation:

No answer description available for this question.

Question: As the fluid flow rate increases, the float of the rotameter
[A].

rises in the tube.

[B].

rotates at higher speed.

[C].

rotates at lower speed.

[D].

drops down in the tube.

Answer: Option A

Explanation:

No answer description available for this question.

Question: __________ of air does not increase with increase in temperature.
[A].

Density

[B].

Thermal diffusivity

[C].

Viscosity

[D].

Thermal conductivity

Answer: Option A

Explanation:

No answer description available for this question.