16. | Following number is called the __________ number.
![]() |
a. | Peclet |
b. | Stanton |
c. | Graetz |
d. | none of these |
View Answer Report Discuss 50-50! |
Answer: (c).Graetz
|
17. | What is the logarithmic mean of r1 and r2 ?
![]() |
a. | A |
b. | B |
c. | C |
d. | D |
View Answer Report Discuss 50-50! |
Answer: (a).A
|
18. | The following equation is the __________ analogy.
![]() |
a. | Colburn |
b. | Reynolds |
c. | Prandtl |
d. | None of these |
View Answer Report Discuss 50-50! |
Answer: (a).Colburn
|
19. | The number given below is termed as the __________ number.
![]() |
a. | Grashoff |
b. | Nusselt |
c. | Prandtl |
d. | Stanton |
View Answer Report Discuss 50-50! |
Answer: (c).Prandtl
|
20. | Heat transfer co-efficient (h) for a fluid flowing inside a clean pipe is given by following equation. This is valid for the value of NRe equal to
![]() |
a. | < 2100 |
b. | 2100-4000 |
c. | > 4000 |
d. | > 10000 |
View Answer Report Discuss 50-50! |
Answer: (d).> 10000
|