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.Management Sciences
Category: Water Management
At the end of hydraulic structure, the upward force of sub-soil water just becomes equal to the submerged weight of soil grains Then exit gradient will be called______________?
0
A. Submerged exit gradient
B. Critical exit gradient
C. Balanced exit gradient
D. All are correct
The piles driven in low bearing capacity soil which does not rest on hard rock but bears the coming load due to side resistance is called ________________?
A. Load Bearing
B. Frictional pile
C. Cost-in situ piles
D. All are correct
Which of the following has highest-coefficient of discharge_____________________?
A. Sharp edged orifice
B. Venturi meter
C. Broad crested weir
D. Cippoletti weir
The permissible limit of hardness of water fore low pressure boiler is _____________________?
A. 30 mg/litre
B. 40 mg/litre
C. 50 mg/litre
D. 60 mg/litre
A regulator is water controlling structure, it is provided at the head of canal to supply water from parent canal to the branch channel is called_______________________?
A. Head Regulator
B. Cross-Regulator
C. Escape
D. All are correct
The down stream sloping glacis of the Hydraulic structure is made in such a way to form automatically the _____________ and dissipate the surplus energy of flowing water?
A. Afflux
B. Hydraulic jump
C. Pond level
D. HFL
in most economical Trapezoidal section, half of the Top width is equal to _________________?
A. Bottom width of channel
B. Depth of channel
C. Sloping side of channel
D. None of these
The water particles held in soil pores of root zone by _____________ against gravity and is known as capillary water?
A. Cohesive force
B. Capillary force
C. Tension force
D. Gravity force
The delta the total water depth required by a crop up to its maturity the delta of wheat is _____________________?
A. 60cm
B. 50cm
C. 40 cm
D. 30cm
Rabi crops pertains to ___________________?
A. Throughout the year
B. Summer season
C. Monsoon season
D. Winter season
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