GAS METAL ARC WELDING - Practice Mode

1) What is the ability of metal to cut another metal?

Creep Fatigue Hardness Strength

Correct Answer: Hardness

Explanation:

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2) What ampere range is required for setting 1.2mm filler wire for welding mild steel in MIG/MAG welding?

50 - 100 Amps 70 - 120 Amps 90 - 150 Amps 100 - 225 Amps

Correct Answer: 100 - 225 Amps

3) What is the temperature produced by chemical reaction in thermit welding?

5000 Degree Centigrade 5000 Degree fahrenheit 4000 Degree Centigrade 4000 Degree fahrenheit

Correct Answer: 5000 Degree fahrenheit

4) Which type of welding is to be used to make joint of thick pipes of rails?

Thermit welding Pressure Thermit welding Pressure Thermit welding Fusion Thermit welding

Correct Answer: Pressure Thermit welding

5) Where is electron beam generated, controlled and accelerated?

Atmosphere Electron gun Electron gun Vacuum chamber

Correct Answer: Vacuum chamber

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