Q.1
##### Which one of the following setup would have the following Temperature Profile?
• a) Shell and tube with hot fluid in shell and packed bed in tube
• b) Shell and tube with cold fluid in shell and packed bed in tube
• c) Shell and tube with hot fluid in tube and packed bed in shell
• d) Shell and tube with cold fluid in tube and packed bed in shell
Q.2
##### The particles are usually _______ packed near the wall of the tube.
• a) Tightly
• b) Loosely
• c) Very tightly
• d) Negligibly
Q.3
• a) 0.357m2
• b) 0.4m2
• c) 0.377m2
• d) 0.3m2
Q.4
##### When is the following equipment used?
• a) Exothermic Reaction
• b) Endothermic Reaction
• c) Heating operation
• d) Cooling operation
Q.5
##### The presence of particles makes the inside heat transfer coefficient higher than empty tube because the superficial velocity is _______ the actual velocity.
• a) Little higher than
• b) Very higher than
• c) Very less than
• d) Little less than
Q.6
##### The heat transfer coefficient ________ with increasing flow rate.
• a) Increases
• b) Decreases
• c) Remains the same
• d) Drops drastically
Q.7
##### In the expression given below, what is the expression Di? This given ratio defines voidage which is controlled to obtain maximum heat transfer coefficient.
• a) Internal diameter of Pellets
• b) Internal diameter of Tube
• c) Internal diameter of Bed
• d) Internal diameter of Pellets
Q.8
##### The value of dp/di in the range _______ gives maximum heat transfer coefficient.
• a) 0.15-0.2
• b) 2-3
• c) 0.6-0.9
• d) 0.001-0.002
Q.9
• a) True
• b) False
Q.10
• a) Low
• b) Very low
• c) High
• d) Very high
Q.11
##### Which one is the correct temperature profile for high dp/di Packed bed setup?
• a) Laminar temperature profile
• b) Turbulent Temperature profile
• c) Laminar near the walls and turbulent at the centre
• d) Turbulent near the walls and laminar at the centre
Q.12
##### Which one is the correct temperature profile for very low dp/di packed bed setup?
• a) Laminar temperature profile
• b) Turbulent Temperature profile
• c) Laminar near the walls and turbulent at the centre
• d) Turbulent near the walls and laminar at the centre
Q.13
##### The renowned equation used to calculate the pressure drop in a non-ideal packed bed is known as______________
• a) Sieder Tate Equation
• b) Kozeny Carman Equation
• c) Ergun Equation
• d) Arrhenius Equation