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Low thermal conductivity of heat insulating materials is due to its
Q9: Pick out the wrong statement.<br>A)Orifice baffles are
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Q20: Which of the following is the most
Q23: The propose of using multiple pass heat
Q24: In a laboratory test run, the rate
Q31: Which rays have the least wavelength?<br>A)Ultraviolet<br>B)Cosmic rays<br>C)Irifrared<br>D)X-rays<br>E)Radio
Q35: It is an instrument of short-term borrowing
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Q38: In a gas-liquid shell and tube heat
Q41: ........... is a product whose value is