In a heat exchanger, shell side fluid velocity can be changed by changing the tube _______________________?
A. Layout
B. Pitch
C. Both A. & B.
D. Neither A. nor B.
Month: March 2019
Liquid/petroleum fuel storage tanks are built underground (as in case of petrol pumps), when the storage capacity is less than ______________ kilolitres?
Liquid/petroleum fuel storage tanks are built underground (as in case of petrol pumps), when the storage capacity is less than ______________ kilolitres?
A. 20
B. 30
C. 45
D. 85
Reflux ratio variation in a distillation column is between___________________?
Reflux ratio variation in a distillation column is between___________________?
A. Zero and infinity
B. Zero and one
C. Minimum and infinity
D. None of these
The type of stress developed in a metallic bar on subjecting it to a change in temperature without allowing it to be deformed is ______________ stress?
The type of stress developed in a metallic bar on subjecting it to a change in temperature without allowing it to be deformed is ______________ stress?
A. Shear
B. Tensile
C. Compressive
D. Thermal
In a continuous distillation column, the optimum reflux ratio ranges from _______________ times the minimum reflux ratio?
In a continuous distillation column, the optimum reflux ratio ranges from _______________ times the minimum reflux ratio?
A. 1.1 to 1.5
B. 1.6 to 2
C. 2.2 to 2.6
D. 2.7 to 3
Speed of the drum of the rotary vacuum filter normally ranges from _____________ rpm?
Speed of the drum of the rotary vacuum filter normally ranges from _____________ rpm?
A. 0.1 to 2
B. 5 to 7
C. 3 to 8
D. 8 to 15
In case of bubble cap distillation column of diameter greater than 1.2 metres, the cap diameter is roughly about _______________ cms?
In case of bubble cap distillation column of diameter greater than 1.2 metres, the cap diameter is roughly about _______________ cms?
A. 10
B. 20
C. 30
D. 35
_____________________ tray arrangement is recommended for distillation column having diameter upto 4 ft ?
_____________________ tray arrangement is recommended for distillation column having diameter upto 4 ft ?
A. Radial flow
B. Cross flow
C. Split flow
D. Cascade
In case of a shell and tube heat exchanger, the minimum shell thickness for carbon steel (inclusive of corrosion allowance) depends on shell diameter and is in the range of ________________ mm?
In case of a shell and tube heat exchanger, the minimum shell thickness for carbon steel (inclusive of corrosion allowance) depends on shell diameter and is in the range of ________________ mm?
A. 3-5
B. 5-11
C. 8-15
D. 12-18
The ratio of shear stress to shear strain is called ____________________?
The ratio of shear stress to shear strain is called ____________________?
A. Bulk modulus
B. Shear modulus
C. Modulus of rigidity
D. Modulus of elasticity