Manufacturing And Production Technology
Calculate the weld per minute, work speed of circular electrode of 220 mm diameter for carrying out seam welding at 4 welds per cm on 1.6 mm thick mild steel tube. Welding cycle consists of 3 cycles ‘on’ and 2 cycles ‘off’ Power supply is at 50 Hz.

22 welds/min, 55 mm/min
3000 welds/min, 75 mm/min
500 welds/min, 1250 mm/min
600 welds/min, 1500 mm/min

ANSWER DOWNLOAD EXAMIANS APP

Manufacturing And Production Technology
Glazing in grinding wheels takes place when the

Wheel is too hard and wheel revolves at very slow speed
Wheel is too soft or wheel revolves at a very slow speed
Wheel is too hard or wheel revolves at a very high speed
Wheel is too soft and wheel revolves at a very high speed

ANSWER DOWNLOAD EXAMIANS APP

Manufacturing And Production Technology
In a shaper, the length of stroke is increased by

Increasing the length of the arm
Increasing the centre distance of bull gear and crank pin
Decreasing the centre distance of bull gear and crank pin
Decreasing the length of the slot in the slotted lever

ANSWER DOWNLOAD EXAMIANS APP