The angle between a head regulator and entrance of water, for smooth entry of water in a canal is kept as _________________?
A. 90°
B. 100°
C. 110°
D. 120°
Month: March 2019
A flow of water for a certain discharge when total energy of flow i.e. sum of potential, kinetic and pressure energies is minimum is called_______________________?
A flow of water for a certain discharge when total energy of flow i.e. sum of potential, kinetic and pressure energies is minimum is called_______________________?
A. Shooting flow
B. Critical flow
C. Sub-critical flow
D. Normal flow
The depth of root zone for rice crop is about___________________?
The depth of root zone for rice crop is about___________________?
A. 70 cm
B. 80 cm
C. 90 cm
D. 100 cm
hail is precipitation in the form of balls or lumps of ice of size greater than _______________ formed by alternate freezing & melting?
hail is precipitation in the form of balls or lumps of ice of size greater than _______________ formed by alternate freezing & melting?
A. 5 mm diameter
B. 10 mm diameter
C. 15 mm diameter
D. 20 mm diameter
An instrument used for measuring pressure head, generally made up of a small pipe tapped into the side of conduit is called ___________________?
An instrument used for measuring pressure head, generally made up of a small pipe tapped into the side of conduit is called ___________________?
A. Pilot tube
B. Piezometer
C. Manometer
D. All are correct
The precipitation that occurs because of frontal disturbances during the movement of barometric low pressure is called ____________________?
The precipitation that occurs because of frontal disturbances during the movement of barometric low pressure is called ____________________?
A. Hurricane
B. Cyclonic
C. Orographic
D. Convective
The forces coming over the gravity dam is mainly resisted by ___________________?
The forces coming over the gravity dam is mainly resisted by ___________________?
A. Water pressure
B. Uplift pressure
C. Self weight of the dam
D. All the above
The last length of the river before it falls into the sea is known as __________________?
The last length of the river before it falls into the sea is known as __________________?
A. Mountainous stage
B. trough stage
C. Delta stage
D. Sub-mountainous stage
The velocity in a large canal or channel measured at a depth of ___________________ gives the mean velocity using the current meter?
The velocity in a large canal or channel measured at a depth of ___________________ gives the mean velocity using the current meter?
A. 0.6m
B. 0.5m
C. 0.6 depth
D. 0.5 depth
Cavitation is caused by _____________________?
Cavitation is caused by _____________________?
A. High velocity
B. Low discharge
C. Low pressure
D. High pressure