Model analysis of aeroplanes and projectiles moving at supersonic speed are based on

Related MCQs

• ...... is important in compressible fluid flow problems at high velocities, such as high velocity flow in pipes or motion of high-speed projectiles and missiles.
• It is proposed to model a submarine moving at 10 m/s by taking a 10 : 1 scale model. What velocity, in m/s, would be needed in the model study?
• It is desired to predict the performance of a large centrifugal pump from that of a scale model one fourth the diameter. The model absorbs 20 HP when pumping under test head of 20 m at its best speed of 400 r.p.m. The large pump is required to pump against 60 m head. The following will be the speed of the pump
• For a supersonic flow, velocity
• Model analysis of free surface flows are based on
• A hydro-electric site has a head of 100 m and an average discharge of 10m3/s. Assume 92% efficiency, for a greater speed of 6000 rpm, the specific speed of turbine would be
• Which of the following statements is correct: Runaway speed of a hydraulic turbine is the speed
• The specific speed of a pump is defined as the speed of unit of such a size that it
• Specific speed (fps) = k x specific speed (metric where value of k is (for turbines)
• The specific speed of a pump is defined as the speed of a pump