A Best Way To Crack Gorenment Job Exams

Production Technology MCQs

Mechanical Engineering Objective Questions

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456. Which of the following taper turning methods can be used only for turning external taper
A. Form fool
B. Tailstock offset
C. Taper attachment
D. Compound rest
Discussion
457. The following gauge is used for checking of holes
A. Ring gauge
B. Snap gauge
C. Plug gauge
D. Dial gauge
Discussion
458. Chisels for metal cutting are hardened
A. At tip
B. All over
C. At the cutting edge
D. Rarely
Discussion
459. The cutting angle of chisel for cutting mild steel is
A. 30°
B. 50°
C. 70°
D. 90°
Discussion
460. If the diameter of a job being machined on lathe is doubled and speed is halved, the cutting time will be
A. Same
B. Half
C. Double
D. Four times
Discussion
461. Short or sharp angle tapers are machined using
A. A taper attachment
B. The compound rest
C. The tailstock set over method
D. A form tool ground to the taper angle
Discussion
462. The taper on lathe spindle is
A. 1 : 10
B. 1 : 12
C. 1 : 15
D. 1 : 20
Discussion

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