Heat Transfer (3151909) MCQs

MCQs of Transient Heat Conduction

Showing 11 to 13 out of 13 Questions
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11.

Fourier number is given by

(a)

α T/LC2
(b)

2 α T/LC2
(c)

 3 α T/LC2
(d)

4 α T/LC2
Answer:

Option (a)

12.

The temperature of a body at any time during Newtonian heating or cooling is stated as 

(a)

t-tati-ta =exp (-Bi  Fo )

(b)

t-tati -ta = exp -Bi  Fo/2

(c)

t - tati  -ta = exp-Bi  Fo

(d)

t - tati - ta = exp- Bi  Fo2

Answer:

Option (a)

13.

In the non-diaensional Biot number, the characteristic length is the ratio of

(a)

the volume of solid to its surface area
(b)

surface area to volume of solid 
(c)

surface area to perimeter of solid
(d)

perimeter to the surface area of solid
Answer:

Option (a)

Showing 11 to 13 out of 13 Questions
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