The composition of silver solder is ___________________?

Question: Brittle materials when subjected to tensile loads, snap off without giving any sensible elongation.
[A].

Yes

[B].

No

Answer: Option A

Explanation:

No answer description available for this question.

Question: Chromium when added to steel __________ the tensile strength.
[A].

does not effect

[B].

decreases

[C].

increases

Answer: Option C

Explanation:

No answer description available for this question.

Question: Micro-structure of a material is, generally, examined by
[A].

naked eye

[B].

optical microscope

[C].

X-ray techniques

[D].

none of these

Answer: Option D

Explanation:

No answer description available for this question.

Question: Which of the following statement is true about brittle fracture?
[A].

High temperature and low strain rates favour brittle fracture

[B].

Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture

[C].

Brittle fracture is always preceded by noise

[D].

Cup and cone formation is characteristic for brittle materials

Answer: Option B

Explanation:

No answer description available for this question.

Question: The casting ability of aluminium increases when __________ is added to aluminium.
[A].

copper

[B].

magnesium

[C].

silicon

[D].

lead and bismuth

Answer: Option C

Explanation:

No answer description available for this question.