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Hydrology & Irrigation | MCQ – 01 | 20 MCQs

Posted on July 30, 2021March 17, 2023 By Civil Vedant

Q.1) A hydrograph is a plot of :

A) Precipitation against time

B) Stream flow against time

C) Surface run off against time

D) Recorded runoff against time

Answer

Option (B)

Q.2) Flow irrigation is done from –

A) Canals

B) Wells

C) Tube wells

D) None of the above

Answer

Option (A)

Q.3) Over irrigation results in –

A) Water-logging

B) Wilting

C) Fertility

D) None of the above

Answer

Option (A)

Q.4) Super – fluous water is also called :

A) Capillary water

B) Gravitational water

C) Hygroscopic water

D) None of the above

Answer

Option (B)

Q.5) The moisture content of the soil, after free drainage has removed, most of the gravity water is known as :

A) Field capacity

B) Saturation capacity

C) Wilting co-efficient

D) Available moisture

Answer

Option (A)

Q.6) The duty is largest :

A) At the head of the main canal

B) At the head of the water course

C) On the field

D) At all place

Answer

Option (C)

Q.7) The first watering before sowing the crop, is known as –

A) Kor watering

B) Paleo

C) Delta

D) None of the above

Answer

Option (B)

Q.8) The hydrology helps in –

A) Predicting maximum discharge

B) Deciding capacity of reservoir

C) Fore casting flood

D) All of the above

Answer

Option (D)

Q.9) The precipitation caused by natural rising of warmer lighter air in colder and denser surroundings, is called –

A) Convective precipitation

B) Orographic precipitation

C) Cyclonic precipitation

D) None of the above

Answer

Option (A)

Q.10) In order to estimate the high flood discharge in fan-shaped catchment, the formula used is –

A) Dicken’s formula

B) Ryve’s formula

C) Inglis formula

D) Fanning’s formula

Answer

Option (C)

Q.11) The measure adopted to reclaim the water-logged area is –

A) Installation of lift irrigation schemes

B) Lining of canals

C) Lowering of full supply level

D) All of the above

Answer

Option (A)

Q.12) A parabolic glacis type fall is commonly known as –

A) Montague fall

B) Inglis fall

C) Sarda fall

D) Vertical type fall

Answer

Option (A)

Q.13) A diversion head work is constructed to –

A) Raise water level at the head of the canal

B) Regulate the intake of water into the canal

C) Reduce fluctuations in the supply level of the river

D) All of the above

Answer

Option (D)

Q.14) The loss of head per unit length of creep is called –

A) Coefficient of creep

B) Percolation coefficient

C) Lane’s coefficient

D) None of the above

Answer

Option (B)

Q.15) When the irrigation canal and the drain are at the same level, then the cross drainage work is achieved by providing a –

A) Aqueduct

B) Super-passage

C) Level crossing

D) Canal syphons

Answer

Option (C)

Q.16) The bed of canal is lowered in case of –

A) Syphon aqueduct

B) Canal syphon

C) Level crossing

D) Super-passage

Answer

Option (B)

Q.17) Best method of assessment of irrigation water is –

A) Crop rate

B) Betterment levy

C) Seasonal rate

D) Volumetric rate

Answer

Option (D)

Q.18) Delta of crop means –

A) Area under the crop

B) Crop period

C) Depth of water required by the crop

D) None of the above

Answer

Option (C)

Q.19) A current meter is used to measure –

A) Depth of flow

B) Velocity of flow

C) Peak flow

D) None of the above

Answer

Option (B)

Q.20) Silting of reservoir –

A) Reduces efficiency of dam

B) Reduces storage capacity

C) Raises reservoir water level

D) None of the above

Answer

Option (B)

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Hydrology & Irrigation Tags:civil engineerig objective, hydrology mcqs, irrigation objective questions

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