A black body does not ____________ radiation?
Correct answer: D. Both B. & C.
- A. Absorb or emit
- B. Refract
- C. Reflect
- D. Both B. & C.
Explanation
An ideal black body absorbs all incident radiation and therefore neither reflects nor transmits it; textbook treatments often express the latter as no refraction. Thus both listed properties are excluded.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
Practise Heat Transfer Operations
645 free Heat Transfer Operations MCQs from Chemical Engineering, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Chemical Engineering questions like this
Chemical Engineering is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
More Heat Transfer Operations questions
Tube expansion allowances exist in _____________ heat exchanger?
Minimum recommended baffle spacing in a shell and tube heat exchanger is about (where, D = shell diameter)?
Corrosiveness of steam condensate is due to the presence of________________?
Sensible heat absorbed by 1 lb of water when it is heated from 32 to 212°F may be around ______________ BTU?
Stefan's block body radiation law can also be derived from ______________ law?
What is the geometric mean of two heat transfer areas A1 and A2 ?