Chemical Engineering
Q Co-efficient of performance of a Carnot cycle refrigerator operating between – 23°C and + 27°C is ________________?
  • A A. 3
  • B B. 5
  • C C. 0.5
  • D D. 1.5
Previous Unit of surface tension in S.I. unit is________________…
Next Lead is poured into the joint between two _____________…
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Word of the Day
24 Jul
Untenable
(especially of a position or view) not able to be maintained or defended against attack or objection.
ناقابل مدافعت، غیر مستحکم، جو دلیل سے ثابت نہ ہو سکے

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