- (A) Decreases
- (B) Increases
- (C) Increases exponentially
- (D) Remain unaffected
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- (A) Decreases
- (B) Increases
- (C) Remains unchanged
- (D) Increases exponentially
- (A) d2T/dZ2 > 0
- (B) d2T/dZ2 = 0
- (C) d2T/dZ2 < 0
- (D) dT/dZ = 0
- (A) Resistances in parallel
- (B) Capacitors in series
- (C) Resistances in series
- (D) None of these
- (A) High viscosity
- (B) High co-efficient of thermal expansion
- (C) Low temperature gradients
- (D) Low density change with temperature
- (A) St = f/2
- (B) St = f/4
- (C) St = 4f
- (D) St = f1/2
- (A) Total condenser
- (B) Vacuum evaporator
- (C) Partial condenser
- (D) Double pipe heat exchanger
- (A) The heat transfer rate is low in view of the large temperature drop
- (B) It is difficult to maintain
- (C) It is not economic
- (D) None of these
- (A) Heat sensitive material can be handled
- (B) There is no additional cost of pumping
- (C) Most concentrated liquid is at highest temperature
- (D) Equal heat transfer co-efficients exist in various effects
- (A) The cooling rate will be the same for the two spheres and hence the two spheres will have equal temperatures at any instant
- (B) Both the spheres will emit equal amount of radiation per unit time in the beginning
- (C) Both will absorb equal amount of radiation from the surrounding in the beginning
- (D) Both
