REFRIGERATION AND AIR CONDITIONING QUIZ

NN = ρ V l /μ

NN = μ cp/k

NN = hl/k

NN = V²/t.cp

Orange

Bright green

Yellow

Red

None of these

Decreases C.O.P.

Increases C.O.P.

Does not alter C.O.P.

Increases

None of these

Decreases

Remains constant

T₂/(T₂ - T₁)

(T₂ - T₁)/T₁

T₁/(T₂ - T₁)

(T₁ - T₂)/T₁

Decrease in fin spacing and increase in number of rows

Increase in fin spacing and decrease in number of rows

Decrease in fin spacing and decrease in number of rows

Increase in fin spacing and increase in number of rows

None of the listed here

Vapour compression cycle

Vapour absorption cycle

Air refrigeration cycle

10°C

15°C

20°C

5°C

Expansion valve

Evaporator

Condenser

Compressor

None of these

Defrosting evaporator

Frosting evaporator

Non-frosting evaporator