Related Questions

The efficiency of a plate column will be maximum, when the flow is ideal __________ the plate.
A Across
B Above
C Both A & B
D Neither A nor B
A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity.
A 45
B 60
C 80
D 95
For a plate-modulated class C amplifier the plate supply voltage is E. The maximum plate cathode voltage could be almost high as
A 2E
B 3E
C 4E
D 6E
When a plate is immersed in a liquid parallel to the flow, it will be subjected to a pressure __________ that if the same plate is immersed perpendicular to the flow.
A Less than
B More than
C Equal to
D None of these
Introduction of slurry in a plate and frame filter press is done through a plate in each frame. The plate of this filter has a __________ surface.
A Plane
B Curved
C Ribbed
D Either A or B
For flow past a flat plate, if x is the distance along the plate in the direction of flow, the boundary layer thickness is proportional to
A $$\sqrt {\text{x}} $$
B $$\frac{1}{{\sqrt {\text{x}} }}$$
C x
D $$\frac{1}{{\text{x}}}$$
পাত-দূরত্ব d এবং ধারকত্ব C. এমন একটি সমান্তরাল পাত ধারকের পাত দুটির মাঝখানে d/2 পুরুত্ববিশিষ্ট একটি ধাতব পাত স্থাপন করা হলো। নতুন ধারকত্ব কত হবে? (A metal plate of thickness d/2 is inserted between the plates of a parallel plate capacitor with plate separation d and capacitance C. What is the new capacitance?)
A C/d
B C/2
C 4Cd
D 2c
In case of a plate and frame filter press, filtrate flow through the cake follows __________ flow.
A Plug
B Turbulent
C Laminar
D None of these
Maximum heat transfer rate is achieved in __________ flow.
A Co-current
B Counter-current
C Turbulent
D Laminar
If the overall efficiency and Murphree plate efficiency are equal, then both the equilibrium and operating lines are
A Straight
B Parallel
C Both A & B
D Neither A nor B

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