Related Questions

For gas welding, the pressure desired at the welding torch for acetylene is
A 7 to 103 kN/m2
B 70 to 280 kN/m2
C 280 to 560 kN/m2
D 560 to 840 kN/m2
In forehand welding, the angle between the welding torch and the work is ________ as compared to backhand welding.
A Same
B Less
C More
D None of these
In backhand welding, the angle between the welding torch and the work is kept as
A 30° - 40°
B 40° - 50°
C 50° - 60°
D 60° - 70°
Which of the following pairs of materials serves as electrodes in rechargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ?
A Iron and cadmium
B Nickel and cadmium
C Lead peroxide and lead
D Zinc and carbon
The colour of the flame of halide torch, in case of leakage of Freon refrigerant, will change to
A Bright green
B Yellow
C Red
D Orange
If the flame of the welding torch is directed towards the progress of welding, then what will you call the welding technique?
A Forehand welding
B Flux cored ARC welding
C Electro slag welding
D Pulsed spray welding
For gas welding, the pressure desired at the welding torch for oxygen is
A 7 to 103 kN/m2
B 70 to 280 kN/m2
C 280 to 560 kN/m2
D 560 to 840 kN/m2
A friction lighter is normally used for lighting gas welding torch, because of the reason that
A Its initial cost is very low
B Duration of spark created is very small
C Safety of welder is ensured
D It is easier to operate & maintain
Routers operate at layer _____. LAN switches operate at layer _____. Ethernet hubs operate at layer _____. Word processing operates at layer _____.
A 3, 3, 1, 7
B 3, 2, 1, none
C 3, 2, 1, 7
D 3, 3, 2, none
E All of the above
The green light only ever goes on when tank A is full and tank C isn't empty. The red light is always on unless either tank A isn't Full or tank B is empty. Given that the green light is on, we can conclude all of the following EXCEPT---
A Tank A cannot be empty
B The red light must be on
C Tank C cannot be empty
D we don't have enough information to determine whether tank B is empty or not

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