Which of the following is prone to cup and cone fracture ?

Question: The amount of different substances produced, when the same quantity of electricity is passed through different solutions are proportional to their
[A].

equivalent weight.

[B].

(equivalent weight)2.

[C].

molecular weight.

[D].

(molecular weight)2.

Answer: Option A

Explanation:

No answer description available for this question.

Question: __________ is the hardest material out of the following.
[A].

Boron carbide

[B].

Tungsten carbide

[C].

Hardened steel

[D].

Silicon carbide

Answer: Option A

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: For preparation of porous bearings by powder metallurgy, preferred particle shape is
[A].

spherical

[B].

nodular

[C].

irregular

[D].

no preferred shape

Answer: Option A

Explanation:

No answer description available for this question.