191. A hacksaw blade cuts on the
forward stroke
return stroke
both forward and return strokes
cutting depends upon t
✅ The correct answer is option A.
Workshop Technology MCQs
192. A file with 50 – 60 teeth in 25 mm is called bastard file.
TRUE
FALSE
✅ The correct answer is option B.
193. When filing soft metals, the file teeth are clogged with minute particles of metal. The file should be cleaned by
washing it with water
rubbing on wood
washing it with dilute acid
using file card
✅ The correct answer is option D.
194. Loam sand is a mixture of
30% sand and 70% clay
50% sand and 50% clay
70% sand and 30% clay
90% sand and 10% clay
✅ The correct answer is option B.
195. A casting defect which results in general enlargement of a casting is known as
shift
sand wash
swell
scab
✅ The correct answer is option C.
196. In a __________ , the molten metal is poured and allowed to solidify while the mould is revolving.
die casting method
slush casting method
permanent mould casting method
centrifugal casting me
✅ The correct answer is option D.
197. A process used for making thin phosphate coating on steel is called parkerising.
Correct
Incorrect
✅ The correct answer is option A.
198. The oxygen cylinder is usually painted with
black colour
white colour
maroon colour
yellow colour
✅ The correct answer is option A.
199. During drawing operation, the states of stress in cup would include
compressive stress in the flange
tensile stress in the wall
both (a) and (b)
none of these
✅ The correct answer is option C.
200. Thermit, used in thermit welding, is a mixture of
charcoal and iron oxide
charcoal and aluminium
iron oxide and aluminium
charcoal, iron oxide a
✅ The correct answer is option C.