The reflectance of a black body is
A) less than 1.0
B) 37,500 kg
C) infinite
D) one
E) zero
Correct Answer:
Verified
Q5: The wagelength of X-rays is
A)6 to 100000
Q6: There are two spheres of copper the
Q7: Which dimensionless number can be used for
Q8: Essential requirement for the transfer of heat
Q9: The ratio of specific heats of a
Q11: A dimensionless heat transfer coefficient which gives
Q12: If thermal conductivity of a material of
Q13: Dynamic similarity is the similarity of
A)Shape
B)Forces
C)Velocities
D)Effective dimensions
E)None
Q14: Which of the following is an example
Q15: The sensible heat of hot industrial gases
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