On This Page
This set of Irrigation Engineering Multiple Choice Questions & Answers (MCQs) focuses on Irrigation Engineering Set 7
Q1 | A baffle wall is a sort of low weir constructed at the end of the cistern to
- head up water to its upstream to such a height that hydraulic jump is formed
- withstand the actual impact of the high velocity jet to dissipate the energy
- both (a) and (b)
- none of the above
Q2 | The function of a barrage is different to that a weir.
- Correct
- Incorrect
Q3 | The irrigation engineering may be defined as
- the process of artificially supplying water to soil for raising crops
- a science of planning and designing an efficient and economic irrigation system
- the engineering of controlling and harnessing the various natural sources of water, by the construction of dams, canals and finally distributing the water to the agricultural fields
- all of the above
Q4 | Liquid precipitation consists of
- snow
- hail
- sleet
- rainfall
Q5 | The main cause of silting in channel is
- non-regime section
- inadequate slope
- defective head regulator
- all of these
Q6 | Lacey's theory as applied to channel design, involves trial and error procedure.
- Agree
- Disagree
Q7 | The ratio between the area of a crop irrigated and the quantity of water required during its entire period of the growth, is known as
- delta
- duty
- base period
- crop period
Q8 | The loss of head per unit length of creep is called
- coefficient of creep
- percolation coefficient
- Lane's coefficient
- none of these
Q9 | The basic factor which controls the process of meandering is
- discharge
- valley slope
- bed and side resistance
- all of these
Q10 | In a flexible outlet, the discharge depends upon the
- water level in distributary
- water level in water course
- difference of water levels between distributary and water course
- none of the above
Q11 | A river meandering through an alluvial plain has a series of consecutive curves of reversed order connected with short straight sketches, is called
- crossing
- meandering belt
- meandering length
- none of these
Q12 | The water shed canal is also called
- side slope canal
- contour canal
- ridge canal
- all of these
Q13 | In an Inglis type fall, the baffle holds the jump stable on a horizontal platform.
- Agree
- Disagree
Q14 | The borrow pits should, preferably, be taken from
- the field on the right side of canal
- the field on the left side of the canal
- the central half width of the section of the canal
- any one of the above
Q15 | Rivers on alluvial plains may be
- meandering type
- aggrading type
- degrading type
- all of these
Q16 | A canal sligned nearly parallel to the contours of a country, is known as
- side slope canal
- contour canal
- water shed canal
- ridge canal
Q17 | The duty at outlet is called capacity factor.
- Correct
- Incorrect
Q18 | The duty is largest
- at the head of the main canal
- at the head of the water course
- on the field
- at all place
Q19 | The knowledge of hydrology is necessary in civil engineering for
- designing and construction of irrigation structures
- designing and construction of bridges and culverts
- flood control works
- all of these
Q20 | Nawab Jang Bahadur formula is used to estimate the flood discharge of American catchments
- Right
- Wrong
Q21 | For closed growing crops (such as wheat), the method of irrigation used is
- free flooding
- border flooding
- check flooding
- basin flooding
Q22 | The crest of the under-sluices should be lower than the crest of the head regulator (if silt excluder is provided by at least
- 1 to 1.2 m
- 1.8 to 2 m
- 2 to 2.5 m
- 4 to 5 m
Q23 | In Bligh's creep theory, it is assumed that the percolation water creep
- along the contact of the base profile of the apron with the sub-soil
- in a straight path under the floor
- in a straight path under the foundation work
- none of the above
Q24 | When the irrigation canal and the drain are at the same level, then the cross drainage work is achieved by providing a
- aqueduct
- super-passage
- level crossing
- canal syphon
Q25 | The amount of precipitation is measured by
- rain gauge
- osmoscope
- turbidimeter
- all of these