Water application efficiency increases if the plot to be irrigated is__________________?
A. Circular
B. Square
C. Rectangle
D. All are correct
Water Management
The depth of flow at which the energy is maximum is called ____________________?
The depth of flow at which the energy is maximum is called ____________________?
A. Super critical depth
B. Sub-critical depth
C. Critical depth
D. All are correct
Permissible velocity of water flowing through concrete lined tunnel is usually __________________?
Permissible velocity of water flowing through concrete lined tunnel is usually __________________?
A. 3 – 4m/sec
B. 4 – 5m/sec
C. 5 – 6m/sec
D. 6 – 7m/sec
A type of flow in which water particles, while moving in the direction of flow, rotate about their mass centre is called _________________?
A type of flow in which water particles, while moving in the direction of flow, rotate about their mass centre is called _________________?
A. Turbulent flow
B. Laminar flow
C. Rotational flow
D. Circular flow
Mercury does not wet the glass because of its property of ______________________?
Mercury does not wet the glass because of its property of ______________________?
A. Capillary
B. Surface tension
C. Compressibility
D. Viscosity
From a water fall, if water is falling down at the rate of 100 N/sec: on the blades of a turbine when the height of fall is 100 m the power delivered to turbine will be______________?
From a water fall, if water is falling down at the rate of 100 N/sec: on the blades of a turbine when the height of fall is 100 m the power delivered to turbine will be______________?
A. 1000 kw
B. 10,000 kw
C. 100 kw
D. 5000 kw
velocity of gases is measured with a _____________________?
velocity of gases is measured with a _____________________?
A. Hot wire manometer
B. Hot wire anemometer
C. Barometer
D. All are correct
The hydraulic gradient line (H.G.L)represents the sum of_________________?
The hydraulic gradient line (H.G.L)represents the sum of_________________?
A. Pressure head + datum head
B. Pressure head + velocity head
C. Velocity head
D. Water surface
A pipe flowing full, the liquid particles in the pipe has maximum velocity at __________________?
A pipe flowing full, the liquid particles in the pipe has maximum velocity at __________________?
A. Top of pipe
B. Centre of pipe
C. Bottom of pipe
D. All are correct
An earth embankment built on one or both sides of a river, some distance away from its banks to control flood is called _______________?
An earth embankment built on one or both sides of a river, some distance away from its banks to control flood is called _______________?
A. Dyke
B. Embankment
C. Marginal embankment
D. Flood protective bund