charcoal and iron oxide
charcoal and aluminium
iron oxide and aluminium
charcoal, iron oxide a
✅ The correct answer is option C.
Workshop Technology MCQs
A diamond pointed chisel is used for cutting
flat surfaces
grooves
keyways
V-shaped grooves
✅ The correct answer is option D.
Seam welding is best adopted for metal thickness ranging from
0.025 to 3 mm
3 to 5 mm
5 to 8 mm
8 to 10 mm
✅ The correct answer is option A.
V-block is used to
check the trueness of flat surfaces
locate centres of round rods
check the surface roughness
none of these
✅ The correct answer is option D.
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.
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.
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.
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.
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.
A file with 50 – 60 teeth in 25 mm is called bastard file.
TRUE
FALSE
✅ The correct answer is option B.