Irrigation - Part 1 Online Exam Quiz
Irrigation - Part 1 GK Quiz. Question and Answers related to Irrigation - Part 1. MCQ (Multiple Choice Questions with answers about Irrigation - Part 1
Borrow pits should preferably be located in
Options
A : field on the left side of the canal
B : field on the right side of the canal
C : fields on both sides of the canal
D : central half width of the section of the canal.
Irrigation canals are generally aligned along
Options
A : ridge line
B : contour line
C : valley line
D : straight line.
The length of a meander is the distance along the river between the tangent point of one curve to the tangent point of
Options
A : reverse curve
B : next curve of the same order
C : reverse curve plus the width of the river
D : none of these.
Pick up the incorrect statement from the following
Options
A : Side walls of a venturi head flume are splayed out from the end of the throat at 1 : 10 for a length of 4.5 m
B : Length of side walls should be such that the width of the flume is made equal to 2/3rd the bed width of the distributary
C : Once the width of the flume becomes 2/3rd of the width of the distributary, the splayed walls are increased to 1 in 3 to get full bed width
D : None of these.
The difference in level between the top of a bank and supply level in a canal, is called
Options
A : berm
B : free board
C : height of bank
D : none of these.
F.S.L. of a canal at its head with respect to parent channel is kept
Options
A : at the same level
B : 15 cm lower
C : 15 cm higher
D : none of these.
The measure to remove water logging of land, is
Options
A : to reduce percolation from canals and water courses
B : to increase outflow from the ground water reservoir
C : both (a) and (b)
D : neither (a) nor (b)
Attracting groynes are built
Options
A : perpendicular to the bank
B : inclined down stream
C : inclined up stream
D : none of these.
Retrogression of the bed level of a river downstream a weir, occurs due to
Options
A : heavy impact of water
B : increase of the bed level
C : less percentage of silt
D : soft soil strata.
In a canal syphon, the flow is
Options
A : under atmospheric pressure
B : pipe flow
C : with critical velocity
D : under negative pressure.
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