In a four high rolling mill, there are four rolls out of which Two are working rolls and two are backing up rolls.
10) In a four high rolling mill, there are four rolls out of which
Answer is:
two are working rolls and two are backing up rolls
Explanation:
Related Workshop Technology MCQ with Answers
Answer is:
larger than
Explanation:
In a four high rolling mill, the diameter of backing up rolls is Larger than the diameter of working rolls.
Answer is:
hot spinning
Explanation:
The parts of circular cross-section which are symmetrical about the axis of rotation are made by Hot spinning.
Answer is:
compressive stress in the flange and tensile stress in the wall
Explanation:
The stress in the flange region during the deep drawing process is a combination of radial tensile drawing stress and a tangential compressive stress.
The blank-holder at the top of the workpiece exerts a compressive force at the upper surface of the blank during the drawing process.
Answer is:
bending and stretching
Explanation:
The mode of deformation of the metal during spinning is Bending and stretching.