Q. Which of the following is a disadvantage of CD works carrying the canal over the discharge?

View solution

Q. In which of the following arrangement, the perennial drainage discharge is advantageously used?

View solution

Q. The number of inlets should be equal to the number of outlets.

View solution

Q. Which of the following is a disadvantage of CD works carrying drainage over the canal?

View solution

Q. The canal alignment is finalized only after finalizing the CD works.

View solution

Q. The relative bed levels of the canal and the drainage may be changed and manipulated by _________________

View solution

Q. The selection of the CD works depends on?

i. Selecting canal alignment
ii. Position of water-table and availability of dewatering equipment
iii. Suitability of soil for embankment
iv. Availability of funds

View solution

Q. Inlets and Outlets are inferior to aqueduct or super-passage type of work.

View solution

Q. In order to reduce the CD works, the artificial canals are generally aligned along the ridgeline.

View solution

Q. The type of canal alignment which involves maximum CD works is a ______________

View solution

Q. What is Lacey’s equation for fixing the approximate value of the required waterway for the drain?

View solution

Q. The maximum permissible reduction in the waterway from Lacey’s perimeter is _______

View solution

Q. The permissible velocity through the barrels is generally limited to _____________

View solution

Q. Which of the following method is applicable for the design of channel transition when the water depths of the flumed and unflumed section are the same or maybe different?

View solution

Q. In a siphon aqueduct, the worst condition of uplift on the floor occurs when ________

View solution

Q. To reduce the cost of the CD works we resort to _____

View solution

Q. The greater is the fluming, the greater is the length of upstream and downstream transition wings.

View solution

Q. Which of the following wings protect the earthen slopes of the canal and also guide the drainage water?

View solution

Q. The head loss through a siphon barrel is usually given by Unwin’s formula by neglecting velocity of approach as HL = [1 + F₁ + F₂. L/R] V²/2g, where F₁ and F₂ respectively represent the coefficient of head losses due to?

View solution

Q. The floor of a siphon aqueduct needs to be designed for conditions when?

i. The canal and drainage are flowing full
ii. The canal is full and there is no drainage discharge
iii. The canal is empty and drainage discharge is full

View solution