26.

28.

29.

30.

31.

82.

38.

1716 70/008೯ ಐ a gating system is :
(^) Deliver the molten metal into the molten cavity
(B) Set as reservoir for the molten metal
(C) Direct pouring metal from the pouring base
(D) Feed the molien metal to compensate shrinkage

Core is used to :
(ക) provide external projections (18) form internal cavities
(C) remove foreign particles (D) to support the pattern

Green sand is a mixture of :
(ಯ) 70% sand and 30% clay (18) 30% =and and 70% clay
(0 90% sand and 10% clay (D) 60% sand and 40% ‏حقل‎

The element which prevent the vertical core shifting is known as :
(^) णाइ (B) sprue pin
(0) chaplets (D) ventrod

The core used for making holes below or above of the parting line is :
(A) cover core (3) wvertical core
(¢) क्ण दण (D) none

The element which provides reinforcement of the mould is known as :
(^) Bars (18) Vent rod
(C) Soldiers (D) Gaggers

What will happen if the sand is over rammed?
(A) mould will fall apart
(B) weight of the mould will increase
(C) removal of pattern will be difficult

(D) gases from the molten metal will not able to leave

What kind of moulding machine is used when the size of the mould 18 100 18/80 to be turned
aver by hand?

(A) Jolt squeeze machine (B) Jolt squeeze roll over machine
(0 Jolt squeeze strip (D) Jolt machine

169/2014 6 A