Which of the following is wrong
A) Black surfaces are better absorbers than white ones
B) Black surfaces are better radiators than white ones
C) Rough surfaces are better radiators than smooth surfaces
D) 37,500 kg
E) Highly polished mirror like surfaces are very good radiators
Correct Answer:
Verified
Q4: The emissive power of a body depends
Q5: Floating heads are provided in heat exchangers
Q6: The transfer of heat in case of
Q7: In case of liquids and gases, the
Q8: Which of the following has the highest
Q10: Which of the following are generally diathermanous?
A)Solids
B)Liquids
C)Gases
D)All
Q11: Longest wavelength
A)Ultraviolet rays
B)Infrared rays
C)Gamma rays
D)X-rays
E)Radio waves
Q12: All bodies above absolute zero temperature emit
Q13: Which one of the following will radiate
Q14: In a cooling tower which mode of
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