Q.1
• a) True
• b) False
Q.2
##### In which one of the following, Heat transfer takes place without any Conduction or Convection?
• a) Condenser
• b) Recuperators
• c) Cooling tower
• d) Shell and Tube HE
Q.3
• a) 1
• b) 2
• c) 3
• d) 4
Q.4
##### When we want to heat a stream of liquid by Steam, and the steam may condense into liquid. Then which of the following is best suited?
• a) Steam on the side with the fins
• b) Steam on the side with the fins and condensate drainage
• c) Steam on the side with the fins and a brush to remove the condensate film from surface
• d) Steam on the tube with the fins on inner surface of the tube passing through a pool of cooling liquid
Q.5
##### Which one of the following relations are correct?
• a) K1 < K2
• b) K1 = K2
• c) K1 > K2
• d) K1 and K2 relation not defined
Q.6
• a) True
• b) False
Q.7
##### What is Critical radius of insulation?
• a) The maximum radius that can allow heat transfer
• b) The maximum heat transfer coefficient at a maximum possible radius
• c) The radius at which maximum heat transfer rate is observed
• d) The minimum radius at which maximum heat transfer rate is observed