61.

62.

68.

64.

65.

66.

=

68,

For the ejection of thin- walled box - type mouldings - ejector pins are used ;
(A) Stepped ejector pin 18) D-shaped ejector pin

(C) “-shaped ejector pin (D) Nome of the above

For ejection of circular bosses on a moulding the ideal ejection method is ;

(ಗಿ) Pin ejection (B) Sleeve gjection

(0) DBar ejection (D) Air ejection
The principle of withdrawing the sprue puller through a plate, in order to eject the feed
system is incorporated in : g

(ಸ) Z-type (B) M-type

(0) Mushroom headed (1) Reverse taper cold slug well type

The type of gate used for large thin - walled components to assist in the production of
warpage free products :

(^) Ring gate (1) ‏امع مط‎
ത Film gate (D) Diaphram gate

The moulding method used 10 produce hollow objects like bottles in thermo plastics is :
(ക Slugh moulding (B) Transfer moulding

() Flow moulding „ व) Investment casting

The system in which any number can be expressed based upon powers of 2 is :

(^) Denary system ര Secondary

(C) Binary (D) Decimal
“The intensity of pressure at any point in a fluid at rest is the same in all directions”, This
statement is known as ;

(ക Newton's law 18) Charle’s ‏سما‎

(0 Bernoulli's law (D) Pascal's law

Poppet valveisa:
(ക) Direction control valve (B) Flow control valve

)0 A valve used in tovs (12) Pressure control valve

valves are basically electromagnets.
) valves (B) Rotary valves

(0) Sluice valves (D) 8018010 ೪೫1೪೯

162/2014 10 A