Mechanical Engineering

Question: In a single point tool, the angle between the surface of the flank immediately below the point and a line drawn from the point perpendicular to the base, is known as
[A].

side relief angle

[B].

end relief angle

[C].

back rake angle

[D].

side rake angle

Answer: Option B

Explanation:

No answer description available for this question.

Question: The binding material used in cemented carbide tools is
[A].

tungsten

[B].

chromium

[C].

silicon

[D].

cobalt

Answer: Option D

Explanation:

No answer description available for this question.

Question: Cemented carbide tool tips are produced by powder metallurgy.
[A].

True

[B].

False

Answer: Option A

Explanation:

No answer description available for this question.

Question: Cemented carbide tools are generally poor in shear.
[A].

Yes

[B].

No

Answer: Option A

Explanation:

No answer description available for this question.

Question: In American Standard Association (A S A) system, if the tool nomenclature is 8-6-5-5-10-15-2 mm, then the side rake angle will be
[A].

5°

[B].

6°

[C].

8°

[D].

10°

Answer: Option B

Explanation:

No answer description available for this question.

Question: Which of the following statement is correct about nose radius?
[A].

It improves tool life

[B].

It improves the surface finish

[C].

both (a) and (b)

[D].

none of these

Answer: Option C

Explanation:

No answer description available for this question.

Question: A single point thread cutting tool should ideally have
[A].

zero rake angle

[B].

positive rake angle

[C].

negative rake angle

[D].

point angle

Answer: Option A

Explanation:

No answer description available for this question.