Minimum recommended baffle spacing in a shell and tube heat exchanger is about (where, D = shell diameter) ?
A. 0.2 D
B. 0.5 D
C. 0.66 D
D. 0.80 D
Month: March 2019
The distance between the top of the slots and the liquid surface when the static liquid is just ready to flow over the overflow weir is called____________________?
The distance between the top of the slots and the liquid surface when the static liquid is just ready to flow over the overflow weir is called____________________?
A. Downcomer liquid seal
B. Static submergence
C. Skirt clearance
D. None of these
With increase in temperature drop (in a shell and tube heat exchanger), the LMTD correction factor, FT_________________?
With increase in temperature drop (in a shell and tube heat exchanger), the LMTD correction factor, FT_________________?
A. Decreases very rapidly
B. Increases very rapidly
C. Remains constant
D. Increases linearly
Multiple blade paddle agitator is used for mixing high viscosity liquids/paste in which the paddle diameter is commonly 0.8 times the tank diameter. However, the width of the blade is in the range of ______________ times the paddle diameter?
Multiple blade paddle agitator is used for mixing high viscosity liquids/paste in which the paddle diameter is commonly 0.8 times the tank diameter. However, the width of the blade is in the range of ______________ times the paddle diameter?
A. 0.1 to 0.25
B. 0.3 to 0.5
C. 0.5 to 0.6
D. 0.65 to 0.80
Bubble cap plate column is___________________?
Bubble cap plate column is___________________?
A. A finite stage contactor
B. Used only for distillation, not for absorption
C. A differential stage contactor
D. A continuous contactor
Shortest distance between two tubes is___________________?
Shortest distance between two tubes is___________________?
A. Called tube pitch
B. Called tube clearance
C. More in case of triangular pitch as compared to square pitch of tube layout
D. None of these
Rivets are generally specified by the____________________?
Rivets are generally specified by the____________________?
A. Head diameter
B. Shank diameter
C. Overall length
D. None of these
If a single tube pass heat exchanger is converted to two passes; for the same flow rate, the pressure drop per unit length in tube side will _____________ times?
If a single tube pass heat exchanger is converted to two passes; for the same flow rate, the pressure drop per unit length in tube side will _____________ times?
A. Increase by 1.8
B. Decrease by 22
C. Increase by 21.6
D. None of these
For storing hazardous chemicals in large storage tanks, the minimum safe distance between the two tanks should range between ______________________ times the tank diameter?
For storing hazardous chemicals in large storage tanks, the minimum safe distance between the two tanks should range between ______________________ times the tank diameter?
A. 1 to 1.5
B. 2.5 to 3.5
C. 4 to 5
D. 6 to 8
Which of the following is not a graphical method (but is an analytical method) for the calculation of theoretical number of stages in case of continuous binary distillation ?
Which of the following is not a graphical method (but is an analytical method) for the calculation of theoretical number of stages in case of continuous binary distillation ?
A. Sorel-Lewis method
B. McCabe-Thiele’s method
C. Ponchon-Savarit method
D. None of these