CS/B.Tech/PWE/SEM-8/PWE-803A/2013
2013
MANUFACTURING SCIENCE
Time Allotted : 3 Hours Full Marks : 70
The figures in the margin indicate full marks.
Candidates are required to give their answers in their own words
as far as practicable.
GROUP – A
( Multiple Choice Type Questions )
1. Choose the correct alternatives for the following : 10 × 1 = 10
i) The component used for increase in re-enforcement of
mould is
a) chill b) gagger
c) pin d) lug.
ii) Open Hearth is a furnace used to produce
a) steel b) grey cast iron
c) pig iron d) malleable cast iron.
iii) Billets are produced through
a) rolling b) casting
c) forging d) drawing.
iv) ERW pipe is manufactured by the process named as
a) welding b) forming
c) casting d) drawing.
v) The flame used for gas cutting of steel is
a) oxidising b) carburising
c) neutral d) none of these.
vi) Acetylene is stored in cylinders by absorbing in
a) oxygen b) nitrogen
c) acetone d) butane.