Engineering :: Foundry Technology

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41.

In small castings which of the following allowance can be ignored?

A.	Shrinkage allowance	B.	Rapping allowance
C.	Draft allowance	D.	Machining allowance

42.

Distortion in castings can be reduced by

A.	modifying design	B.	providing sufficient machining allowance
C.	improving foundry practice	D.	all of the above

43.

Gated patterns are normally used for

A.	mass production of small castings	B.	production of castings which do not require machining
C.	castings having several hollow spaces	D.	castings for light metals

44.

Skeleton patterns are generally used for

A.	small casting	B.	non-ferrous castings
C.	large castings	D.	hollow castings

45.

Sweep patterns are used to prepare mould of

A.	symmetrical and regular shapes	B.	unsymmetrical and regular shapes
C.	unsymmetrical and irregular shapes	D.	none of the above

46.

Shell patterns are often used for

A.	pipe work	B.	bends
C.	drainage fittings	D.	all of the above

47.

A spoke shave is a

A.	planing tool	B.	sawing tool
C.	layout tool	D.	boring tool

48.

All of the following are boring tools EXCEPT:

A.	Gauge	B.	Brace
C.	Pinchdog	D.	Auger bit

49.

All of the following are clamping tools EXCEPT:

A.	Hard screw	B.	Pich dog
C.	C-clamp	D.	Brace

50.

Which of the following is measuring and layout tool?

A.	Trammels	B.	Combination square
C.	Marking gauge	D.	all of the above