Related Questions

In a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder whereas the last expansion is completed in low pressure cylinder. The diameter of high pressure cylinder is _________ the low pressure cylinder.
A Equal to
B Less than
C More than
D None of these
The testing pressure of storage tanks and pressure vessels designed as per Indian standard codes should be about __________ times.the design pressure.
A 1.5 to 2
B 3 to 4
C 4 to 5
D >5
Gauge pressure at a point is equal to the absolute pressure __________ the atmospheric pressure.
A Plus
B Minus
C Divide
D Multiply
Ratio of pressure and inertia force gives __________ number.
A Weber
B Mach
C Euler
D Froude
There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum. With increase in turbine temperature, the value of pressure ratio for the peak efficiency would
A Remain same
B Decrease
C Increase
D None of the above
Euler number is defined as the ratio of inertia force to __________ force.
A Pressure
B Elastic
C Gravity
D Viscous
Weber number is the ratio of inertial force to __________ force.
A Surface tension
B Gravity
C Viscous
D Elastic
The pressure co-efficient is the ratio of pressure forces to __________ forces.
A Viscous
B Inertial
C Gravity
D Surface tension
Pressure co-efficient is the ratio of pressure forces to __________ forces.
A Gravity
B Inertial
C Viscous
D None of these
In case of a centrifugal pump, the ratio of total delivered pressure to pressure developed with the impeller is called the __________ efficiency.
A Manometric
B Mechanical
C Volumetric
D Overall

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