A. linearly
B. first slowly and then steeply
C. first steeply and then gradually
D. unpredictable
E. none of the above
Related Mcqs:
- If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.2 kg/cm”, the pressure at a depth of 50 m below the oil surface will be _____________________?
A. 2 meters of water column
B. 3 meters of water column
C. 5 meters of water column
D. 6 meters of water Column
E. 7 meters of water column - The center of pressure of a surface subjected to fluid pressure is the point____________________?
A. on the surface at which resultant pres-sure acts
B. on the surface at which gravitational force acis
C. at which all hydraulic forces meet
D. similar to metacentre
E. where pressure equivalent to hydraulic thrust will act - 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 - The pressure in the air space above an oil (sp. gr. 0.8) surface in a tank is 0.1 kg/cm”. The pressure at 2.5 m below the oil surface will be ___________________?
A. 2 meters of water column
B. 3 meters of water column
C. 3.5 meters of water column
D. 4 m of water column
E. none of the above - The rise or depression of liquid in a tube due to surface tension wim increase in size of tube will_______________?
A. increase
B. remain unaffected
C. may increase or decrease depending on the characteristics of liquid
D. decrease
E. unpredictable - The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is ap-proximately_______________?
A. 1 mm
B. 5 mm
C. 10 mm
D. 20 mm
E. 30 mm - The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is ap-proximately____________________?
A. 1 mm
B. 5 mm
C. 10 mm
D. 20 mm
E. 30 mm - Dynamic viscosity of most of the liquids with rise in temperature____________________?
A. increases
B. decreases
A. remains unaffected
D. unpredictable
E. none of the above - Dynamic viscosity of most of the gases with rise in temperature___________________?
A. increases
B. decreases
C. remains unaffected
D. unpredictable
E. none of the above - The total pressure on the surface of a vertical sluice gate 2 m x 1 m with its top 2 m surface being 0.5 m below the water level will be____________________?
A. 500 kg
B. 1000 kg
C. 1500 kg
D. 2000 kg
E. 4000 kg.
