Manufacturing And Production Technology - Study Mode

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[#326] The height of each tooth of a broach is

(A) Same throughout

(B) In progressively decreasing order

(C) In progressively increasing order

(D) None of these

Correct Answer

(C) In progressively increasing order

[#327] If the cutting speed is increased, then the built-up-edge

(A) Becomes longer

(B) May or may not form

(C) Becomes smaller and finally does not form at all

(D) Has nothing to do with speed

Correct Answer

(C) Becomes smaller and finally does not form at all

[#328] For softer materials, the point angle of the drill is kept

(A) Equal to 118°

(B) Less than 118°

(C) More than 118°

(D) Any one of these

Correct Answer

(B) Less than 118°

[#329] For harder alloy steel, the point angle of the drill is kept

(A) Equal to 118°

(B) Less than 118°

(C) More than 118°

(D) Any one of these

Correct Answer

(C) More than 118°

[#330] The lathe spindles at the nose end have

(A) Internal screw threads

(B) External screw threads

(C) No threads

(D) Tapered threads

Correct Answer

(B) External screw threads