EXAMIANS
Chlorine acts as a bleaching agent only in the presence of
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Scaling occurs in boiler tubes due to the fact that, the solubility of Ca(OH)₂ __________ with increasing temperature.
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Which of the following is a unit of time ?
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For hardening high alloy steel, it is to be heated slowly and uniformly to avoid
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Hydrogen in liquid steels is dissolved
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__________ is the most important element, which controls the physical properties of steel.
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The weight of a body at the centre of the earth is
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A controller action in which there is a con-tinous relation between the values of controlled variable and the rate of change of conrolled output signal is called the __________ action.
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Dies for wire drawing are generally made of
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Two wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same force. The strain produced in the two wires will be in the ratio of
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