A. the pressure at any location reaches an absolute pressure equal to the saturated vapour pressure of the liquid
B. pressure becomes more than critical pressure
C. flow is increased
D. pressure is increased
E. none of the above
Related Mcqs:
- Cavitation is caused by_____________________?
A. high velocity
B. high pressure
C. weak material
D. low pressure
E. low viscosity - Surface tension__________________?
A. acts in the plane of the interface normal to any line in the surface
B. is also known as capillarity
C. is a function of the curvature of the interface
D. decreases with fall in temperature
E. has no units - A bucket of water is hanging from a spring balance. An iron piece is suspended into water without touching sides of bucket from another support. The spring balance reading will_________________?
A. increase
B. decrease
C. remain same
D. increase/decrease depending on depth of immersion
E. unpredictable - A metal with specific gravity of o floating in a fluid of same specific gravity a will____________________?
A. sink to bottom
B. float over fluid
C. partly immersed
D. be fully immersed with top surface at fluid surface
E. none of the above - Ratio of inertia force to elastic force is known as__________________?
A. Mach number
B. Froude number
C. Reynold’s number
D. Weber’s number
E. none of the above - A piece of metal of specific gravity 7 floats in mercury of specific gravity 13.6. What fraction of its volume is under mercury ?
A. 0.5
B. 0.4
C. 0.515
D. 0.5
E. none of the above - Two pipe systems can be said to be equivalent, when the following quantities are same__________________?
A. friction loss and flow
B. length and diameter
C. flow and length
D. friction factor and diameter
E. velocity and diameter - Total pressure on a lmxlm gate immersed vertically at a depth of 2 m below the free water surface will be_______________?
A. 1000 kg
B. 4000 kg
C. 2000 kg
D. 8000 kg
E. 16000 kg - The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the centriod, if___________________?
A. the area is horizontal
B. the area is vertical
C. the area is inclined
D. all of the above
E. none of the above - Surface energy per unit area of a surface is numerically equal to _____________________?
A. atmospheric pressure
B. surface tension
C. force of adhesion
D. force of cohesion
E. viscosity
