Heat Transfer, Refrigeration and Air Conditioning MCQs

increased to a value above its critical temperature

reduced to a value below its critical temperature

equal to critical temperature

none of the above

Agree

Disagree

equal to

less than

greater than

halide torch

sulphur sticks

soap and water

all of these

in heat exchanger design as a safety factor

in case of Newtonian fluids

when a liquid exchanges heat with a gas

none of the above

zero

20

50

100

equal to

less than

more than

TRUE

FALSE

Grashoff number

Biot number

Stanton number

Prandtl number

0

0.5

0.75

1