- Arc welding
- Gas welding
- Thermit welding
- Resistance welding
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The temperature at which a gas, when subjected to Joule-Thomson expansion, neither cools or heats up, is termed as the __________ temperature. Above this temperature the gas heats up on throttling and below this the gas cools down.?
Answer: Option 3 Let'
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If the flame of the welding torch is directed towards the progress of welding, then what will you call the welding technique?
Answer: Option 1 Let'
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A type of welding flows, which is the result of a perfect proportion and mixture of acetylene and oxygen and is used for fusion welding of steel and cast iron, is?
Answer: Option 4 Neutral flame is type of welding flows, which is the result of a perfect proportion and mixture of acetylene and oxygen and is used for fusion welding...
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In which type of welding a gas shield, a consumable electrode is used and the welding can be done in all positions.?
Answer: Option 4 Let'
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Which of the following arc welding processes does not use consumable electrodes?
Answer: Option 2 Let'
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Which among the NC operations given below are continuous path operationsArc Welding (AW), Drilling (D), Laser Cutting of Sheet Metal (LC), Milling (M), Punching in Sheet Metal (P), Spot Welding (SW)?
Answer: Option 1 Let'
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Which one among the following welding processes uses non-consumable electrode?
Answer: Option 3 Let'
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Which of the following relatively employs the highest heat transfer surface area in a high pressure boiler ?
Answer: Option 1 Let'
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Which of the following are true with regard to temperature control of the atmosphere of a given place I. The major temperature contrasts on earth's surface are between land masses and oceans II. During night, the water surface cools more rapidly than the land surface III. Temperature generally decreases with latitude on either side of the equator IV. Temperature rises to a maximum during summer and falls to a minimum during winter?
Answer: Option 1 The following are true with regard to temperature control of the atmosphere of a given place are The major temperature contrasts on earth's surface are between land...
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