Related Questions

The theoretical value of coefficient of contraction of a sharp edged orifice is
A 0.611
B 0.85
C 0.98
D 1.00
Coefficient of discharge for a totally submerged orifice as compared to that for an orifice discharging free is
A slightly less
B slightly more
C nearly half
D equal
In a short cylindrical external mouthpiece, the vena contracta occurs at a distance __________ the diameter of the orifice from the outlet of orifice.
A Equal to
B One-fourth
C One-third
D One-half
With increase in the ratio of orifice diameter to pipe diameter, the fraction of the orifice pressure differential that is permanently lost
A Increases
B Decreases
C Remains unchanged
D Increases exponentially
A pipe of length more than double the diameter of orifice fitted externally or internally to the orifice is called a
A Notch
B Weir
C Mouthpiece
D Nozzle
What are gilt-edged securities?
A Securities issued by the multinational companies.
B Securities issued by the Government
C Securities issued by the private sector
D Securities issued by the joint venture companies
Gilt-edged market means
A bullion market
B market of government securities
C market of guns
D market of pure metals
The net positive suction head (NPSH) of a centrifugal pump is defined as the sum of the velocity head and the pressure head at the
A Discharge
B Suction
C Suction minus vapor pressure of the liquid at suction temperature
D Discharge minus vapor pressure of the liquid at the discharge temperature
The value of coefficient of discharge is __________ the value of coefficient of velocity.
A Less than
B Same as
C More than
D None of these
The coefficient of discharge (Cd) of an orifice varies with ------- number.
A Mach
B Weber
C Froude
D Reynolds

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