Engineering :: Production Engineering

@ : Home > Mechanical Engineering > Production Engineering

151.

The facting sand used in foundry generally consists of

152.

The machining allowance provided on pattern depends on

153.

Draft or taper allowance in patterns is provided on

A.	All sides of patterns	B.	All round surfaces of pattern
C.	All corners of the pattern	D.	All horizontal surfaces of the pattern
E.	All vertical surfaces of the pattern

154.

The grain size of moulding sand is expressed in terms of

155.

Shatter test is conducted to measure

156.

Core prints are

A.	Impressions left on cores during core making	B.	Hard surfaces on cores mainly meant for resisting deformation
C.	Blue prints for core manufacturing	D.	Holes or recesses in core meant for locating cores in position
E.	None of the above

157.

In centrifugal castings, the cores are generally made of

158.

Carbon content of grey iron is generally

159.

When silicon is added in the cast iron 13-17 percent is given an alloy which is

A.	Very soft	B.	Easily machinable
C.	Acid and corrosion resistant	D.	It is not possible to have such high percentage of silicon
E.	Powder casted

160.

The counteract the increased sulphur percentage