Related Questions

In axial flow fans and turbines, fluid enters and leaves as follows
A Radially, axially
B Axially, radially
C Axially, axially
D Radially, radially
In which type of fluid flow, the velocity of flow of fluid changes from point to point in the fluid at any instant?
A Rotational
B Unsteady
C Turbulent
D Non-uniform
The vessel dispersion number (D/μL) for plug flow is
A 0
B 500
C 750
D ∞
When a cylindrical vessel, containing some liquid, is rotated about its vertical axis, the liquid surface is depressed down at the axis of its rotation and rises up near the walls of the vessel on all sides. This type of flow is known as
A Steady flow
B Turbulent flow
C Vortex flow
D Uniform flow
Ms. Rahena needs to get from Town C. The only was to get Town C is taka a bus from Town A to Town B and then take a train from Town B to C. The bus leaves Town A at 8.00 am and reaches Town b after 212 hours. The first train leaves Town B at 9.00 am and then there is a train every 50 minutes. The train reaches Town C 40 minutes after its departure . If Ms. Rehana leaves Town A at 8.00 am, When is the earliest she would arrive at Town C?
A 11:10 am
B 11.20 am
C 12.00 noon
D 10.30 am
Timothy leaves home for school, riding his bicycle at a rate of 9 miles per hour. Fifteen minutes after he leaves, his mother sees a Timothy's math homework lying on his bed and immediately leaves home to bring it to him. If his mother drives at 36 miles per hour, how far (in terms of miles) must she drive before she reaches Tmothy?
A 1/3
B 4
C 3
D 12
With increase in the order of reaction (for all positive reaction orders), the ratio of the volume of mixed reactor to the volume of plug flow reactor (for identical feed composition, flow rate and conversion)
A Increases
B Decreases
C Remains same
D Increases linearly
For identical flow rate and feed composition, X plug flow reactors (PER) in series with a total volume V gives the same conversion as single
A CSTR of volume V
B PFR of volume V
C CSTR of volume $$\frac{{\text{V}}}{{\text{X}}}$$
D PFR of volume $$\frac{{\text{V}}}{{\text{X}}}$$
For identical flow rate, feed composition and for elementary first order reactions, 'N' equal sized mixed reactors in series with a total volume 'V' gives the same conversion as a single plug flow reactor of volume 'V' for constant density systems. This is true, when the value of 'N' is
A 1
B >1
C ∞
D ≥1
The ratio of volumes of the mixed reactor to the plug flow reactor (for identical feed composition, flow rate, conversion, and for all positive reaction orders) is always
A 1
B >1
C Equal to the order of reaction

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