Workshop Technology MCQs

results in a mismatching of the top and bottom parts of a casting

results in general enlargement of a casting

occurs near the ingates as rough lumps on the surface of a casting

occurs as sand patches

plunging

notching

slitting

forming

punch

die

half on the punch and half on the die

either on punch or die

helium gas

argon gas

either (a) or (b)

none of these

consumable

non-consumable

porosity of the metal is largely eliminated

grain structure of the metal is refined

mechanical properties are improved due to refinement of grains

all of the above

Correct

Incorrect

drawing down

upsetting

spinning

peening

14

24

32

40

only one operation is performed at each stroke of the ram

two or more operations are performed simultaneously at the single stroke of the ram

two or more cutting operations are performed at one station of the press in every stroke of the ram

both cutting and non-c