5 cm x 5 cm
10 cm x 10 cm
15 cm x 15 cm
20 cm x 20 cm
✅ The correct answer is option C.
Workshop Technology MCQs
An oxidising flame is obtained when equal volumes of oxygen and acetylene are supplied.
TRUE
FALSE
✅ The correct answer is option B.
Scribing block is used to
hold the round bars during marking
check the trueness of flat surfaces
locate the centres of round bars
check the surface roug
✅ The correct answer is option C.
The cold working of metals is carried out
at the recrystallisation temperature
below the recrystallisation temperature
above the recrystallisation temperature
at any temperature
✅ The correct answer is option B.
The cutting edge of a chisel should be
hardened
tempered
hardened and tempered
case hardened
✅ The correct answer is option C.
The advantage of thermit welding is that
all parts of the weld section are molten at the same time
weld cools almost uniformly
results in a minimum problem with internal residual stresses
all of the above
✅ The correct answer is option D.
The upsetting is a process of
increasing the cross-section of a bar
reducing the cross-section of a bar
joining the two surfaces of metal under pressure after heating
bending of a bar
✅ The correct answer is option A.
The process used to improve fatigue resistance of the metal by setting up compressive stresses in its surface, is known as
hot piercing
extrusion
cold peening
cold heading
✅ The correct answer is option C.
A rip saw
is a two man saw
is used for cutting along the grains of wood
has a narrow blade with two wooden handles
all of the above
✅ The correct answer is option B.
Seam weiding is a
continuous spot welding process
multi-spot welding process
arc welding process
process used for joini
✅ The correct answer is option A.