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Up to what percent is the efficiency increased by using exothermic materials?(a) 65%(b) 70%(c) 755(d) 80% |
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Answer» Correct answer is (b) 70% Best explanation: The use of exothermic materials causes to increase the efficiency by around 70%. The use of exothermic materials also causes the riser to be of only one-third its regular size. |
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