Chemical Engineering
Q Heat flow across a hollow sphere of inner radius ‘r1’ and outer radius ‘r2’ is directly proportional to__________________?
  • A A. (r2 – r1)/r1. r2
  • B B. R1. r2/(r2 – r1)
  • C C. (r2 + r1)/r1. r2
  • D D. R1. r2/(r2 + r1)
Previous Plasma is_____________________?
Next Tempering of a material does not improve its___________…
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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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