equal volumes of oxygen and acetylene
more volume of oxygen and less volume of acetylene
more volume of acetylene and less volume of oxygen
none of the above
✅ The correct answer is option A.
Workshop Technology MCQs
The sand used for making cores is
green sand
dry sand
loam sand
oil sand
✅ The correct answer is option D.
In electric resistance welding, voltage required for heating is
1 to 5 volts
6 to 10 volts
11 to 20 volts
50 to 100 volts
✅ The correct answer is option B.
The maximum flame temperature occurs
at the outer cone
at the inner cone
between the outer and inner cone
at the torch tip
✅ The correct answer is option B.
In die casting, machining allowance is
small
large
very large
not provided
✅ The correct answer is option D.
In a four high rolling mill, the diameter of backing up rolls is __________ the diameter of working rolls.
equal to
smaller than
larger than
✅ The correct answer is option C.
Metal patterns require __________ draft allowance than wooden patterns.
more
less
✅ The correct answer is option B.
The recrystallisation temperature of steel is
400° C
600° C
800° C
none of these
✅ The correct answer is option C.
The purpose of a gate is to
deliver molten metal into the mould cavity
act as a reservoir for the molten metal
feed the molten metal to the casting in order to compensate for the shrinkage
deliver molten metal f
✅ The correct answer is option A.
According to Indian standard specifications, 100 H6/g 5 means that.
basic size is 100 mm
actual size is 100 mm
difference between the actual size and basic size is 100 mm
none of the above
✅ The correct answer is option A.