Related Questions

A flow whose streamline is represented by a straight line, is called __________ dimensional flow.
A One
B Two
C Three
D Four
Ponchon Savarit method is based on the use of enthalpy concentration diagram, which contains the bubble point curve (saturated liquid curve), dew point curve (saturated vapour curve) and equilibrium tie lines. As compared to McCabe-Thiele's method, this method
A Is more accurate in finding the number of equilibrium stages
B Accounts for the enthalpy changes in the process
C Facilitates direct calculation of heat load on reboiler & condenser from, the diagram used in this method
D All of the above
Velocity at a certain point in case of streamline flow is
A Constant
B Independent of time
C Both A & B
D Neither A nor B
The ratio of maximum to average velocity in case of streamline flow between parallel plates is
A 1
B 1.5
C 2
D 2.5
A streamline is a line in flow field,
A That is traced by all the fluid particles passing through a given point
B Along which a fluid particle travels
C Such that at every point on it, the velocity is tangential to it
D None of these
The response curve for a step input signal from a reactor is called C-curve. The variance of C-curve in a 'tanks in series model' comprising of 'm' tanks is equal to
A m
B $$\frac{1}{{\text{m}}}$$
C $$\sqrt {\text{m}} $$
D m2
The region between the separation streamline and the boundary surface of the solid body is known as
A wake
B drag
C lift
D boundary layer
A streamline is defined as the line
A Parallel to central axis flow
B Parallel to outer surface of pipe
C Of equal velocity in a flow
D Along which the pressure drop is uniform
A streamline is
A The line connecting the mid-points of flow cross-sections
B Defined for uniform flow only
C Drawn normal to the velocity vector at every point
D Always the path of a particle
If the demand line drawn from a ridge in a flow mass curve does not intersect the curve again, it indicates that
A demand cannot be met by inflow
B reservoir was not full at the beginning
C both (A) and (B)
D none of the above

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