M

Manisha Agrawal • 9.34K Points
Tutor III 

Q. If the temperature of a solid surface changes form 27°C to 627°C, then its emissive power changes in the ratio of

(A) 3
(B) 6
(C) 81
(D) 27
  • Correct Answer - Option(C)
  • Views: 1009
  • Filed under category Heat Transfer
Share

No solution found for this question.
Add Solution and get +2 points.

You must be Logged in to update hint/solution

Discusssion

Login to discuss.

Be the first to start discuss.

Related MCQs

Q. A vertical rectangular plane surface is submerged in water such that its top and bottom surfaces are 1.5 m and 6.0 m res-pectively below the free surf

Q. A large Roynold number is indication of

Q.

Q. Fibrous fracture occurs in

Q. Antifriction bearings are

Q. A perfect gas

Q. Basic motion time study gives times for basic motions in ten thousandths of

Q. If threads on a bolt are left hand, threads on nut will be

Q. A tap bolt

Q. A piece of metal of specific gravity 7 floats in mercury of specific gravity 13.6. What fraction of its volume is under mercury ?

Question analytics