- Thermit welding
- Electroslag welding
- Resistance welding
- Submerged arc Welding
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An empty fuel tank of a car was filled with A type petrol. When the tank was half-empty, it was filled with B type petrol. Again when the tank was half-empty, it was filled with A type petrol. When the tank was half-empty again, it was filled with B type petrol. What is the percentage of A type petrol at present in the tank?
Answer: Option 2 Let the capacity of the tank be 100 litres Initially: A type petrol = 100 litres After first operation: A type petrol = $$\frac{{100}}{2}$$ = 50 litres B type petrol =...
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In a particular type of welding, flux is prepared in the form of a coarse powder and granulated flux is spread over the joint. What is this type of welding process called?
Answer: Option 2 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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According to Darcy's formula, the loss of head due to friction in the pipe is (where f = Darcy's coefficient, l = Length of pipe, v = Velocity of liquid in pipe, and d = Diameter of pipe)?
Answer: Option 4 Let'
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The sensible heat factor during the heating and humidification process is given by (where h₁ = Enthalpy of air entering the heating coil, h₂ = Enthalpy of air leaving the heating coil, and hA = Enthalpy of air at the end of humidification process)?
Answer: Option 4 The sensible heat factor during the heating and humidification process is given by (hA - h1)/ (h2 - h1)
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The sensible heat factor during cooling and dehumidification process is given by (where h₁ = Enthalpy of air entering the cooling coil, h₂ = Enthalpy of air leaving the cooling coil, and hA = Enthalpy of air at the end of dehumidification process)?
Answer: Option 1 The sensible heat factor during cooling and dehumidification process is given by (hA - h2)/ (h1 - h2) where, h₁ = Enthalpy of air entering the cooling...
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Statement : A large number of engineering graduates in the country are not in a position to have gainful employment at present and the number of such engineers is likely to grow in the future. Courses of Action : I. The government should launch attractive employment generation schemes and encourage these graduates to opt for such schemes to use their expertise and knowledge effectively. II. This happened due to proliferation of engineering colleges in the country and thereby lowered the quality of the engineering graduates. Those colleges which are not equipped to impart quality education should be closed down.?
Answer: Option 2 The emphasis should be not on the Government putting all the engineering graduates to jobs but on the colleges producing not 'degree-holders' but real technical minds which...
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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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