The diaphragm moulding machine is used to

Mechanical Engineering : Workshop Technology - Quiz(MCQ)

produce uniform packing of sand in the mould

give uniform sand hardness throughout the mould

ram the sand harder at the back of the mould and softer on the pattern face

ram the sand harder at the pattern face with decreasing hardness towards the back of the mould

Correct Answer : Option (B) : give uniform sand hardness throughout the mould

Recently Updated in Workshop Technology Questions

In __________ welding, the weld may be made either from left to right or from right to left.

fore-hand

vertical

back-hand

None of the above

Correct Answer : vertical

In a four high rolling mill, there are four rolls out of which

two are working rolls and two are backing up rolls

three are working rolls and one is backing up roll

one is working roll and three are backing up rolls

All of the above

Correct Answer : two are working rolls and two are backing up rolls

Galvanising is a

zinc diffusion process

process of coating zinc by hot dipping

process used for making thin phosphate coating on steel

None of the above

Correct Answer : process of coating zinc by hot dipping