Circular cross section machine parts which are symmetrical about the axis of rotation are made by hot_____________________?

Question: Material having maximum density is
[A].

plutonium

[B].

osmium

[C].

titanium

[D].

uranium

Answer: Option B

Explanation:

No answer description available for this question.

Question: Iron has got __________ isotopes.
[A].

no

[B].

four

[C].

three

[D].

two

Answer: Option B

Explanation:

No answer description available for this question.

Question: __________ has a negative co-efficient of linear expansion.
[A].

Iron

[B].

Copper

[C].

Rubber

[D].

Nickel

Answer: Option B

Explanation:

No answer description available for this question.

Question: Air intake for an air compressor should be preferably taken from
[A].

a site, where cooling towers are located nearby.

[B].

a site, where open coal yard in located nearby.

[C].

an air conditioned room maintained at a temperature of 18°C.

[D].

an outside atmosphere at 10°C.

Answer: Option D

Explanation:

No answer description available for this question.

Question: Diamagnetic materials
[A].

are magnetised by eddy currents only.

[B].

are non-magnetic and can not be magnetised.

[C].

are magnetised in direction opposite to the magnetic field.

[D].

can be magnetised in one direction only.

Answer: Option C

Explanation:

No answer description available for this question.