With increase in temperature, the thermal conductivity of fresh lubricating oil
A) Increases
B) Decreases
C) Remains unchanged
D) May increase or decrease; depends on its composition
Correct Answer:
Verified
Q2: Vent pipes are provided in a condenser
Q3: To reduce the tube side pressure drop
Q4: LMTD for counter-flow and parallel flow heat
Q5: In case of _ boiling, the liquid
Q6: Steam trap is used to
A)Condense the steam
Q7: For _ Prandtl number values, the heat
Q8: Planck's distribution law is valid for _
Q9: Electro-magnetic spectrum range, which is important for
Q10: In a shell and tube heat exchanger,
Q11: A body cools down from 75°C to
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