For an ideal fluid flow, Reynolds number is___________________?
For an ideal fluid flow, Reynolds number is___________________?
A. 2100
B. 100
C. 0
D. ∞
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Open channel liquid flow is most conveniently measured by a__________________?
Open channel liquid flow is most conveniently measured by a__________________?A. Hot wire anemometer
B. Notch
C. Rotameter
D. Segmental orificeWith increase in temperature, the vapor pressure of liquids__________________?
With increase in temperature, the vapor pressure of liquids__________________?A. Increases
B. Increases linearly
C. Decreases
D. Remain constantThe variable required to be known in correlations used for estimating the horse power of a centrifugal gas compressor and hence its cost is P. Inlet pressure Q. Compressor rpm R. Delivery pressure S. Volumetric flow rate at inlet ?
The variable required to be known in correlations used for estimating the horse power of a centrifugal gas compressor and hence its cost is P. Inlet pressure Q. Compressor rpm R. Delivery pressure S. Volumetric flow rate at inlet ?A. P, Q and R
B. P and R
C. R and S
D. P, Rand SRotary vacuum pumps can reduce the absolute pressure to as low as __________ mm Hg ?
Rotary vacuum pumps can reduce the absolute pressure to as low as __________ mm Hg ?A. 1
B. 0.1
C. 0.01
D. 0.001Pressure drop for laminar fluid flow through a circular pipe is given by__________________?
Pressure drop for laminar fluid flow through a circular pipe is given by__________________?A. 4f (L/D) (v2/2gc) ρ
B. 32 (μLV/gc D2)
C. 16/NRe
D. (fLρ/D) (v2/2gc)The temperature in isentropic flow_______________?
The temperature in isentropic flow_______________?A. Does not depend on Mach number
B. Depends on Mach number only
C. Cannot drop and then increase again downstream
D. None of these