71

a
3

A casting with a — — volume to surface ratio will eool and salidify

(A) थः (छ) higher, slowly

(D) lower

(൬ lower, ¢

hich 1೩ an expendable mould casling proces!

(& Shell moulding ൫ Investment casting

(भि mouldi (D) All the above

Improssion die forging 18 also known as
(ಗಿ) Open die forging (B) Flasghless die forging
(©) Indirect forging (1)) None of the above

The extrusion pressure in direat extrusion in comparison ‏ما‎ indirect extrusion is
(५) Higher nt beginning but almost the aame at the end
(छ) Lower at beginning but almost the same at the end
0
യ

at beginning but increases at the end

me at beginning but decreases at the end

provides u clearance between the trailing edge of the tool
generated work surface

(A) Side rake angle (B) End cutting edge angle
(€) Back rake angle (D) All the above

er jet cutting stand-uff distance is the scparation between
(4) Work
(C) NMozzle and work surface (D) None of the above

urface and the operator छ)

ozzle and the operator

Ultrasonic machining is used w machine :
(९) Non-metallic materials (D) Hard and brittle mate:
(௫ Tough and mall

able materials (D) Soft and ductilc mate

machining process(es) require(s) a vacuum chamber.
(ക Laser Beam Machining (B) Electron Beam Machs
(© Ultrasonic Machining (D) Both (A) and (B)

18

Tungaten 15 usually used as an electrode iu :

(A) Gas tungsten arc welding (இ) Submerged arc welding

(©) Plasma are welding (12) Both (A) and (C)

11

nd the newly

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