Related Questions

In forehand welding, the angle between the welding torch and the work is ________ as compared to backhand welding.
Based on the information below, how much did a certain telephone call cost? 1. The call lasted 1 minute 27 seconds 2. The cost for the first 30 second unit is Tk. 1.80, call duration more than 30 seconds costs Tk. 0.90 per 30 second unit 3. Any call duration less than 30 seconds is rounded up to the nearest 30-second unit.
For gas welding, the pressure desired at the welding torch for acetylene is
In backhand welding, the angle between the welding torch and the work is kept as
For gas welding, the pressure desired at the welding torch for oxygen is
The colour of the flame of halide torch, in case of leakage of Freon refrigerant, will change to
A friction lighter is normally used for lighting gas welding torch, because of the reason that
Total number of telephone calls is 'n' call charge is Tk. 'p' per call. Then total call charge is:
Total number of telephone calls is ‘n’, call charge is TK. ‘p’ per call. Then total call charge is:
Actual flame temperature is always lower than the adiabatic flame temperature, because there is