Civil Engineering MCQs – Irrigation, Water Resources Engineering and Hydrology MCQs Latest

Civil Engineering MCQs –
Irrigation, Water Resources Engineering and Hydrology
MCQs Latest

This post is comprising of latest “Civil Engineering MCQs – Irrigation, Water Resources Engineering and Hydrology MCQs“. Here you’ll get latest civil engineering mcqs for written test, interview with answers. If you want to improve your knowledge regarding civil engineering then read these mcqs of Design of Steel Structures.

Latest Civil Engineering MCQs

By practicing these mcqs of Civil Engineering MCQs – Irrigation, Water Resources Engineering and Hydrology Mcqs, an individual for exams performs better than before. This post comprising of civil engineering objective questions and answers related to Irrigation, Water Resources Engineering and Hydrology“. As wise people believe “Perfect Practice make a Man Perfect”. It is therefore practice these mcqs of civil engineering to approach the success. Tab this page to check “Latest Irrigation, Water Resources Engineering and Hydrology Mcqs” for the preparation of competitive mcqs, FPSC mcqs, PPSC mcqs, SPSC mcqs, KPPSC mcqs, AJKPSC mcqs, BPSC mcqs, NTS mcqs, PTS mcqs, OTS mcqs, Atomic Energy mcqs, Pak Army mcqs, Pak Navy mcqs, CTS mcqs, ETEA mcqs and others.

Latest Irrigation, Water Resources Engineering and Hydrology Mcqs

The most occurred mcqs of Irrigation, Water Resources Engineering and Hydrology in past papers. Past papers of Irrigation, Water Resources Engineering and Hydrology Mcqs. Past papers of Irrigation, Water Resources Engineering and Hydrology Mcqs . Mcqs are the necessary part of any competitive / job related exams. The Irrigation, Water Resources Engineering and Hydrology Mcqs having specific numbers in any written test. It is therefore everyone have to learn / remember the related Irrigation, Water Resources Engineering and Hydrology Mcqs. The Important series of Irrigation, Water Resources Engineering and Hydrology Mcqs are given below:

The value of Sodium Absorption Ratio for high sodium water lies between________________?

A. 10 to 18
B. 0 to 10
C. 18 to 26
D. 26 to 34

Irrigation water having the concentration of Na++ , Ca++ and Mg++ as 20, 3 and 1 Milli equivalent per litre respectively will be classified as__________________?

A. high sodium water
B. medium sodium water
C. low sodium water
D. very high sodium water

Engineering Economy MCQs – Civil Engineering

The “outlet discharge factor” is the duty at the head of_________________?

A. branch canal
B. main canal
C. watercourse
D. distributory

For supplying water to rabi crop, kharif crop and sugarcane, the channel is designed for a capacity equal to the greater of the water requirement of_______________?

A. rabi and kharif or sugarcane
B. rabi or kharif
C. rabi and sugarcane or kharif and sugarcane
D. rabi or kharif or sugarcane

The water utilizable by plants is available in soils mainly in the form of________________?

A. hydroscopic water
B. capillary water
C. gravity water
D. chemical water

With the increase in the quantity of water supplied, the yield of most crops_________________?

A. decreases continuously
B. increases continuously
C. increases upto a certain limit and then becomes constant
D. increases upto a certain limit and then decreases

Infiltration rate is always________________?

A. less than the infiltration capacity
B. more than the infiltration capacity
C. equal to or less than the infiltration capacity
D. equal to or more than the infiltration capacity

Infiltration capacity_________________?

A. changes with time
B. is a constant factor
C. changes with location
D. changes with both time and location

If the intensity of rainfall is more than the infiltration capacity of soil, then the infiltration rate will be______________?

A. more than rate of rainfall
B. equal to infiltration capacity
C. equal to rate of rainfall
D. more than infiltration capacity

Which of the following is a non-recording rain gauge ?

A. Steven’s weighing type rain gauge
B. Simon’s rain gauge
C. tipping bucket type rain gauge
D. floating type rain gauge

Which of the following types of rain gauges is used for measuring rain in remote hilly inaccessible areas ?

A. tipping bucket type
B. floating type
C. weighing type
D. Simon’s rain gauge

A 70% index of wetness means_______________?

A. rain deficiency of 70%
B. rain deficiency of 30%
C. rain excess of 30%
D. none of the above

Assertion A : To estimate the rainfall over a catchment, the number of rain gauges required per unit area is large for hilly areas. Reason R : Rainfall gradient is steep. Select your correct answer according to the coding system given below ?

A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true but R is not the correct explanation of A
C. A is false but R is true
D. A is true but R is false

Unit of runoff in M.K.S. system is________________?

A. cubic metre/sec
B. cubic metre
C. metre/sec
D. square metre

The area between the isohyets 45 cm and 55 cm is 100 square km and between 55 cm and 65 cm is 150 square km. The average depth of annua! precipitation over the above basin of 250 square km will be__________________?

A. 55 cm
B. 50 cm
C. 56 cm
D. 60 cm

If it rains between 2 P.M. and 3 P.M. and the entire basin area just starts contributing water at 3 P.M. to the outlet, then time of concentration will be_____________________?

A. 20 minutes
B. 15 minutes
C. 30 minutes
D. 60 minutes

The normal annual precipitation at stations X, A, B and C are 700 mm, 1000 mm, 900 mm and 800 mm respectively. If the storm precipitation at three station A, B and C were 100 mm, 90 mm and 80 mm respectively, then the storm precipitation for station X will be___________________?

A. 70 mm
B. 90 mm
C. 80 mm
D. 105 mm

MCQs of Civil Engineering Latest

The unit hydrograph due to a storm may be obtained by dividing the ordinates of the direct runoff hydrograph by_______________?

A. direct runoff volume
B. total rainfall
C. period of storm
D. none of the above

S-hydrograph is used to obtain unit hydrograph of________________?

A. longer duration from shorter duration
B. shorter duration from longer duration
C. both (A) and (B)
D. none of the above

Dimensions of coefficient of transmissibility are______________?

A. rvfL’T”1
B. M°L°T°
C. M° L2 T1
D. M’LV

An artesian aquifer is the one where______________?

A. water table serves as upper surface of zone of saturation
B. water is under pressure between two impervious strata
C. water surface under the ground is at atmospheric pressure
D. none of the above

A multipurpose reservoir is the one which is_________________?

A. designed for one purpose but serves more than one purpose
B. planned and constructed to serve various purposes
C. both of the above
D. none of the above

The water stored in the reservoir below the minimum pool level is called_______________?

A. valley storage
B. dead storage
C. useful storage
D. surcharge storage

Trap efficiency of a reservoir is a function of_______________?

A. capacity/inflow ratio
B. outflow/inflow ratio
C. capacity/outflow ratio
D. none of the above

When the upstream face of a gravity dam is vertical, then the intensity of water pressure at the water surface and at the base respectively will be_______________?

A. wH and 0
B. wH2/2and wH2/3
C. 0 and wH212
D. OandwII

where w is unit weight of water and H is the depth of water

The uplift pressure on the face of a drainage gallery in a dam is taken as_________________?

A. average of hydrostatic pressure at toe and heel
B. hydrostatic pressure at toe
C. two-third of hydrostatic pressure at toe plus one-third of hydrostatic pressure at heel
D. none of the above

Hydrodynamic pressure due to earthquake acts at a height of_________________?

A. 3H747t below the water surface
B. 3H/47I above the base
C. 4H/371 above the base
D. 4H737t below the water surface where H is the depth of water

When the reservoir is full, the maximum compressive force in a gravity dam is produced______________?

A. at the toe
B. at centre of base
C. within the middle third of base
D. at the heel

For wave action in dams, the maximum height of freeboard is generally taken to be equal to_______________?

A. 0.75 hw
B. 0.5 hw
C. 1.25 hw
D. 1.50 hw

where hw is height of wave

The most suitable material for the central impervious core of a zoned embankment type dam is_______________?

A. coarse sand
B. clay
C. silty clay
D. clay mixed with fine sand

Seepage through foundation in an earthen dam is controlled by providing___________________?

A. horizontal blanket
B. rock toe
C. impervious cut off
D. chimney drain

Which of the following spillways is least suitable for an earthen dam ?

A. ogee spillway
B. side channel spillway
C. chute spillway
D. shaft spillway

In a chute spillway, the flow is usually____________________?

A. subcritical
B. uniform
C. critical
D. super critical

Strength of Materials MCQs – Civil Engineering

If there are two canals taking off from each flank of a river, then there will be____________________?

A. one divide wall and two undersluices
B. one divide wall and one undersluice
C. two divide walls and one undersluice
D. two divide walls and two undersluices

The main function of a divide wall is to_______________?

A. prevent river floods from entering the canal
B. control the silt entry in the canal
C. separate the undersluices from weir proper
D. provide smooth flow at sufficiently low velocity

As compared to crest of the normal portion of the weir, the crest of the under sluice portion of weir is kept at_____________?

A. lower level
B. same level
C. higher level
D. any of the above depending on the design

According to Khosla’s theory, the exit gradient in the absence of a downstream cutoff is_____________?

A. unity
B. 0
C. infinity
D. very large

The ratio of average values of shear stresses produced on the bed and the banks of a channel due to flowing water is________________?

A. equal to 1
B. less than 1
C. greater than 1
D. equal to zero

As per Lacey’s theory, the silt factor is_________________?

A. inversely proportional to average par¬ticle size
B. directly proportional to average par¬ticle size
C. directly proportional to square root of average particle size
D. not related to average particle size

Which of the following canal structures is used to remove surplus water from an irrigation channel into a natural drain ?

A. canal outlet
B. canal fall
C. canal escape
D. canal regulator

The sensitivity of a rigid module is_______________?

A. zero
B. 1
C. between zero and one
D. infinity

In a Sarda type fall, rectangular crest is used for discharge upto______________?

A. 10 cumecs
B. 6 cumecs
C. 14 cumecs
D. 20 cumecs

A straight glacis type fall with a baffle platform and a baffle wall is called_____________?

A. glacis fall
B. vertical dropfall
C. Montague type fall
D. inglis fall

Vertical drop fall is satisfactory for a height upto ___________?

A. 3.5 m
B. 1.5 m
C. 0.5 m
D. 5.0 m

The ratio of rate of change of the discharge of an outlet to the rate of change of the discharge of distributing channel is called________________?

A. setting
B. flexibility
C. proportionality
D. sensitivity

If the R.L’s of canal bed level and high flood level of drainage are 212.0 m and 210.0 m respectively, then cross drainage work will be________________?

A. superpassage
B. aqueduct
C. syphon
D. syphon aqueduct

The meander pattern of a river is developed by_________________?

A. maximum discharge
B. dominant discharge
C. average discharge
D. critical discharge

Theory Of Structures Mcqs Latest – Civil Engineering Mcqs

An aggrading river is a_________________?

A. silting river
B. both silting and scouring river
C. scouring river
D. neither silting nor scouring river

River training for depth is achieved by_______________?

A. construction of dykes or leaves
B. groynes
C. both (A) and (B)
D. groynes and bandalling

If D is the depth of scour below original bed, then the width of launching apron is generally taken as________________?

A. 2.0 D
B. 1.5 D
C. 1.2 D
D. 2.5 D

A repelling groyne is aligned________________?

A. pointing upstream
B. perpendicular to bank
C. pointing downstream
D. parallel to bank

A land is known as waterlogged_________________?

A. when gravity drainage has ceased
B. when the permanent wilting point is reached
C. capillary fringe reaches the root zone of plants
D. none of the above

A river bend characterized by silting_______________?

A. silting on convex side
B. scouring on concave side
C. scouring on convex side and on concave side
D. scouring on concave side and silting on convex side

A runoff river plant is____________?

A. a low head scheme
B. a high head scheme
C. a medium head scheme
D. none of the above

A runoff river plant_________________?

A. has no pondage at all
B. generates power during peak hours only
C. is suitable only on a perennial river
D. is a medium head scheme

The ratio of the average load to the installed capacity of the plant whose reserve capacity is zero will be equal to__________________?

A. load factor
B. plant factor
C. utilisation factor
D. both (A) and (B)

A hyetograph is a graphical representation of___________________?

A. rainfall intensity and time
B. discharge and time
C. rainfall depth and time
D. cumulative rainfall and time

The maximum average depth due to one day storm over an area of 100 km2 is 100 mm. Depth-Area-Duration (DAD. curves indicate that for the same area of 100 km2 the maximum average depth for a 3 hour storm will be__________________?

A. less than 100 mm
B. more than 100 mm
C. 100 mm
D. none of the above

The most suitable chemical which can be applied to the water surface for reducing evaporation is________________?

A. ethyl alcohol
B. methyl alcohol
C. cetyl alcohol
D. butyl alcohol

A 6 hours storm had 4 cm of rainfall and the resulting runoff was 2 cm. If <j) index remains at the same value, the runoff due to 10 cm of rainfall in 12 hours in the catchment is___________________?

A. 7.5 cm
B. 6.0 cm
C. 4.5 cm
D. 9.0 cm

Hydraulics And Fluid Mechanics Mcqs Latest

The stage of river carrying a discharge of Q m7sec at a point is 10 m and slope of water surface is (1/4000). The discharge of a flood at the same point and same stage of 10 m with a water surface slope of(l/1000) will be________________?

A. 0.5 Q mVsec
B. V2 Q m3/sec
C. 2 Q m3/sec
D. 4 Q m3/sec

The flow-mass curve is graphical representation of__________________?

A. discharge and time in chronological order
B. discharge and percentage probability of flow being equaled or exceeded
C. cumulative discharge, volume and time in chronological order
D. cumulative discharge and time

The shape of recession limb of a hydrograph depends upon________________?

A. basin characteristics only
B. storm characteristics only
C. both of the above
D. none of the above

For a catchment area of 120 km2, the equilibrium discharge in m3/hour of an S-curve obtained by the summation of 6 hour unit hydro graph is_______________?

A. 0.2 x 106
B. 2.4 x l06
C. 0.6 x 106
D. 7.2 x l06

The peak of a 4 hour flood hydrograph is 240 m3/sec . If the rainfall excess is 80 mm and base flow which is constant is 40 m3/sec, then the peak of 4-hours unit hydrograph will be__________________?

A. 30 m3/sec
B. 25 m3/sec
C. 20 3/sec
D. 35 m3/sec

For an annual flood series arranged in descending order of magnitude, the return for a magnitude listed at position period m in a total data N is________________?

A. m/(N+l)
B. N/(m+l)
C. m/N
D. (N+l)/m

A unit hydro graph has one unit of_______________?

A. time base of direct runoff
B. rainfall excess
C. rainfall duration
D. discharge

If the risk of a flood occurring in the next 10 years is accepted to 10%, then the return period for design should be__________________?

A. 1 – (0.9)°l0
B. 1 + (0.9)010
C. 1/(1-0.9°10)
D. 1/(1+ 0.9010)

If the demand line drawn from a ridge in a flow mass curve does not intersect the curve again, it indicates that______________?

A. demand cannot be met by inflow
B. reservoir was not full at the beginning
C. both of the above
D. none of the above

The stream which does not have any base flow contribution is called________________?

A. intermittent stream
B. perennial stream
C. ephemeral stream
D. none of the above

Civil Engineering MCQs – Irrigation, Water Resources Engineering and Hydrology Latest

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