Multiple Choice
If thermal conductivity of aluminium is say 100 units at 0°C, the thermal conductivity at 500°C will be closer to
A) 37,500 kg
B) 100 units
C) 20 units
D) 140 units
E) 50 units
Correct Answer:

Verified
Correct Answer:
Verified
Q40: The factor which affects nucleate pool boiling
Q41: A substance above critical temperature exists as<br>A)Solid<br>B)Liquid<br>C)Wet
Q42: Two bodies one hot and the other
Q43: The emissive power of a body depends
Q44: DBA = DAB, in case of<br>A)Stagnet diffusion<br>B)Equimolar
Q45: Elongation of a rod when heated<br>A)Is proportional
Q46: There metal walls of same cross-sectional area
Q47: Longest wavelength<br>A)Ultraviolet rays<br>B)Infrared rays<br>C)Gamma rays<br>D)X-rays<br>E)Radio waves
Q49: The highest value of thermal conductivity is
Q50: A wall has two layers A and