A. Basket type
B. Horizontal tube
C. Calandria
D. None of these
Related Mcqs:
- The inside heat transfer co-efficient in case of turbulent flow of liquid in the tube side in a 1-2 shell and tube heat exchanger is increased by ______________ times, when the number of tube passes is increased to 8?
A. 20.8
B. 40.8
C. 40.4
D. 20.4 - Steam consumption in kg/hr in case of an evaporator is given by (where, C & E are capacity the economy of the evaporator respectively) ?
A. C/E
B. E/C
C. CE
D. 1/CE - In case of a vertical tube evaporator, with increase in the liquor level, the ____________ is increased?
A. Velocity of circulation
B. Liquor-film co-efficient
C. Both A. and B.
D. Neither A. and B. - In case of a vertical tube evaporator, with increase in the liquor level, the___________________?
A. Capacity of the evaporator is decreased
B. Capacity of the evaporator is increased
C. True temperature drop increases
D. Both B. and C. - In case of vertical tube evaporator, with increase in liquor level, the overall heat transfer co-efficient______________?
A. Increases
B. Decreases
C. Is not affected
D. May increase or decrease; depends on the feed - Steam is routed through the tube in case of a ______________ evaporator?
A. Basket type
B. Horizontal tube
C. Short tube vertical
D. Long tube vertical - For the same heat load and mass flow rate in the tube side of a shell and tube heat exchanger, one may use multipass on the tube side, because it__________________?
A. Decreases the pressure drop
B. Decreases the outlet temperature of cooling medium
C. Increases the overall heat transfer coefficient
D. None of these - Air is to be heated by condensing steam. Two heat exchangers are available (i) a shell and tube heat exchanger and (ii) a finned tube heat exchanger. Tube side heat transfer area are equal in both the cases. The recommended arrangement is________________?
A. Finned tube heat exchanger with air inside and steam outside
B. Finned tube heat exchanger with air outside and steam inside
C. Shell and tube heat exchanger with air inside tubes and steam on shell side
D. Shell and tube heat exchanger with air on shell side and steam inside tubes - In a shell and tube heat exchanger, the tube side heat transfer co-efficient just at the entrance of the tube is_________________?
A. Infinity
B. Zero
C. Same as average heat transfer co-efficient for tube side
D. None of these - A dilute aqueous solution is to be concentrated in an evaporator system. High pressure steam is available. Multiple effect evaporator system is employed, because__________________?
A. Total heat transfer area of all the effects is -less than that in a single effect evaporator system
B. Total amount of vapor produced per Kg of feed steam in a multiple effect system is much
higher than in a single effect
C. Boiling point elevation in a single effect system is much higher than that in any effect in a
multi-effect system
D. Heat transfer co-efficient in a single effect is much lower than that in any effect in a multieffect
system
