In a cooling tower which mode of heat transfer plays insignificant role?
A) Evaporative cooling
B) Convective cooling
C) Radiaion
D) All of the above
E) 37,500 kg
Correct Answer:
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Q9: Which of the following is wrong
A)Black surfaces
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
Q15: A dimensionless number which is the ratio
Q16: There metal walls of same cross-sectional area
Q17: Formation of fog is due to
A)High pressure
B)Humidity
C)Temperature
Q18: The radiation from flames consists of
A)Continuous radiation
Q19: In a shell and tube heat exchanger,
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