Heat Transfer Mock Test 7

10%

Question 1 of 10

1. The ratio of heat flow rate by convection to flow rate by conduction is known as

Peclet number

Stanton number

Fourier number

Graetz number

Question 1 of 10

Question 2 of 10

2. The value of film coefficient is dependent upon
(i) Boundary layer configuration
(ii) Geometry and orientation of the surface
(iii) Surface conditions

i and ii

ii and iii

i, ii and iii

i and ii

Question 2 of 10

Question 3 of 10

3. The similarity of shape and form is known as

Kinematic similarity

Thermal similarity

Geometrical similarity

Question 3 of 10

Question 4 of 10

4. What is the dimension of heat?

M L ²T ^-2

M L ²T

M L ²T ^-1

M LT ^-2

Question 4 of 10

Question 5 of 10

5. Ratio of inertia force to viscous force is known as

Stanton number

Peclet number

Reynolds number

Grashof number

Question 5 of 10

Question 6 of 10

6. How many fundamental quantities are there?

Question 6 of 10

Question 7 of 10

7. What is the dimension of density?

M L ^-3 T

M L ^-3T ²

M L ^-2

M L ^-3

Question 7 of 10

Question 8 of 10

8. What is the dimension of energy?

M L ¹T ^-2

M LT ^-2

M L ²T ^-1

M L ²T ^-2

Question 8 of 10

Question 9 of 10

9. Bernoulli’s equation for fluid flow along a stream line is given as

p/w + V/2 g + y = constant

p/w + V ²/2 g + y = 1

p/w + V ²/2 g + y = constant

p/w + V ²/2 g + y = 2

Question 9 of 10

Question 10 of 10

10. What is the dimension of force?

M T ^-2

M L T ^-1

L T ^-2

M L T ^-2

Question 10 of 10