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Discontinuous chips in metal cutting operations are produced in machining :
(ക) Ductile material (B) Brittle material
(© Hand material (D) 80ी: material

The tool life of a single point cutting tool at a cutting speed of 0.5 m/s is 1000 sec. How many
pieces can be produced within one tool life, if the length and diameters of the portion of the
piece to be turned are 60 mm and 100 mm respectively? Feed and speed of cutting are
0.314 mm/rev and 0.5 m/sec respectively :

@ 25 (8) 30
(0 125 ™ 10

In the turning operation, corresponding to cutting speeds of 30 m/min and 15 m/min, the tool
lifes are 75 min and 300 min respectively. What is the Taylorian exponent?

@) 05 ® 06
© 0.2 D 0.1

The standard tapes used for drill spindle is :
(A) Sellers taper (8) Morse taper
(C) Chapman tapers (D) Brown and sharper taper

The twist drill is specified by :
(ക) Shank, material, diameter (B) Shank, material, lip angle
(C) Shank, flute size, diameter (D) Diameter flute size, lip angle

Auto-collimator is used to check :

(ಯ) Roughness (3) Flatness
(0) Parallelism (D) Angle
‘Which one of the following types of layout is used for vehicle manufacturing?
(ക) Product layout (൫ Process layout
(0) Group layout (D) Fixed position layout

Standard time is obtained from normal time by adding the policy allowance and :
(ಯ) Personal and fatigue allowance
(3) Personal delay allowance
(0) Delay allowance and fatigue allowance
(D) Personal, fatigue and delay allowance

13 86/2019
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