Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

Flow in which each liquid particle has a definite path is called _____________________?

A. Steady flow
B. uniform flow
C. Laminar flow
D. Transitional flow
Answer» D. Transitional flow
2.

Estimated quantity of global water is __________which covers about 70% of earth?

A. 1.30x109km3
B. 1.32x109km3
C. 1.33x109km3
D. 1.35x109km3
Answer» E.
3.

During the peak stage of river, there exist an out flow from river into the ground water reservoir, in such case river will be called _________________?

A. Influent stream
B. Effluent stream
C. Storm water stream
D. Seepage stream
Answer» C. Storm water stream
4.

Direct runoff is the sum of __________________?

A. Surface run-off and mass flow
B. Bass flow and ground water run off
C. Sub-surface run off and deep percolation
D. Surface run off and flow
Answer» D. Surface run off and flow
5.

Development of___________in river is due to meandering ?

A. Delta
B. Critical velocity
C. Cutoff
D. Turbulence
Answer» D. Turbulence
6.

Darcy formula for loss of head in pipes is given by, hf=4fl v2 / __________________?

A. 2gd
B. gd
C. g2d
D. gd2
Answer» B. gd
7.

Cultivation made on small plane steps because of more steepness of the area is called __________________?

A. Cascade farming
B. Terrace farming
C. Step farming
D. All are correct
Answer» C. Step farming
8.

Compressibility of a liquid is defined as vertical or contraction in volume with variation of pressure. Therefore water is considered as ___________________?

A. Expandable
B. In-Compressible
C. Compressible
D. All are correct
Answer» C. Compressible
9.

Cavitation is caused by _____________________?

A. High velocity
B. Low discharge
C. Low pressure
D. High pressure
Answer» D. High pressure
10.

Canals normally excavated directly from river without head regulator is called___________________?

A. Perennial canals
B. Inundation canals
C. Non-perennial canals
D. Water shed canals
Answer» C. Non-perennial canals
11.

Bouyant force is equal to the ___________ of liquid displaced by the body in water mass?

A. Weight
B. Volume
C. Specific weight
D. Specific gravity
Answer» C. Specific weight
12.

At the end of hydraulic structure, the upward force of sub-soil water just becomes equal to the submerged weight of soil grains Then exit gradient will be called______________?

A. Submerged exit gradient
B. Critical exit gradient
C. Balanced exit gradient
D. All are correct
Answer» C. Balanced exit gradient
13.

Art of mixing saline water with fresh water in accordance with some ratio for irrigation purpose is called _________________?

A. Amalgamation
B. Mixing of water
C. Desalinization
D. All are correct
Answer» B. Mixing of water
14.

Art of making saline water fit for irrigation and drinking through the processes of membrane technique and reverse osmosis is called ___________________?

A. Desalinization
B. Water application
C. Water mixing
D. All are correct
Answer» B. Water application
15.

Art of making saline un-cultivable lands capable of re-cultivation is called.___________________?

A. Reclamation
B. Fertilization
C. Growing crops
D. Water application
Answer» B. Fertilization
16.

Art of growing crops, management of live stocks, husbandry and farming is called________________?

A. Agriculture
B. crop farming
C. Water management
D. all are correct
Answer» B. crop farming
17.

An outlet through which the discharge depends upon the water level in the distributary is called ___________________?

A. Rigid module
B. Flexible module
C. Non-flexible
D. Non-modular
Answer» C. Non-flexible
18.

An open cut in the canal bank. with bed and sides to escape canal water through a lead channel to mix water in a nearby drain is called _____________________?

A. Inlet
B. Out let
C. Module
D. Exit
Answer» C. Module
19.

An open cut given in a canal bank, suitably protected by stone pitching to the upland drainage water into the canal is called ___________________?

A. Inlet
B. Out let
C. entrance
D. Mixing
Answer» B. Out let
20.

An instrument used for measuring pressure head, generally made up of a small pipe tapped into the side of conduit is called ___________________?

A. Pilot tube
B. Piezometer
C. Manometer
D. All are correct
Answer» C. Manometer
21.

An impermeable Formation which neither contains water nor transmits water may be called_____________________?

A. Aquifuge
B. Aquifer
C. Aquiclude
D. Confined-aquifer
Answer» B. Aquifer
22.

An escape constructed with masonry or pitched with stones to dispose off surplus of tank or reservoir is called________________?

A. Bye-wash
B. paved-escape
C. Water escape
D. Disposal channel
Answer» C. Water escape
23.

An engineer who is approached by a client for the purpose of design of hydraulic structures like dam. Barrage or Regulator is called ____________________?

A. Chartered Engineer
B. Consulting Engineer
C. Irrigation Engineer
D. All are correct
Answer» C. Irrigation Engineer
24.

An earth embankment built on one or both sides of a river, some distance away from its banks to control flood is called _______________?

A. Dyke
B. Embankment
C. Marginal embankment
D. Flood protective bund
Answer» D. Flood protective bund
25.

An area is officially declared as drought effected if the mean Annual rain fall is less than of the annual Potential evaporation,______________?

A. 70%
B. 75%
C. 80%
D. 85%
Answer» E.
26.

An aquifer in which water contained under high pressure as the’ aquifer is sand witched between two impervious layer is called___________________?

A. Un-confined aquifer
B. Confined aquifer
C. No-Artesian aquifer
D. All are correct
Answer» C. No-Artesian aquifer
27.

Always flow inside the ground is ____________________?

A. Laminar
B. Turbulent
C. Rotational
D. Compressible
Answer» B. Turbulent
28.

After rainfall the quantity of water that flows directly over the ground surface and join immediately to the river is called_________________?

A. Surface runoff
B. Sub-surface runoff
C. Base flow
D. True surface runoff
Answer» E.
29.

Aeration holes are provided to reduce the inside saturation pressure ____________________?

A. In a weir with end contractions
B. In a suppressed weir
C. In a cippoletti weir
D. In all weir
Answer» C. In a cippoletti weir
30.

According to Mr. Khosla, the seeping water creates undermining and the undermining starts from__________________?

A. Down stream to up stream
B. Up stream to down stream
C. Top to bottom
D. Bottom to top
Answer» B. Up stream to down stream
31.

According to Khosla’s theory of seepage, the Exit gradient depends upon ____________________?

A. width /depth ratio
B. depth /width ratio
C. Length /depth ratio
D. depth /Length ratio
Answer» B. depth /width ratio
32.

According to Kennedy’s silt theory , the critical velocity is directly proportional to depth of flow _____________________?

A. D0.64
B. D0.65
C. D0.66
D. D0.67
Answer» B. D0.65
33.

According to Chezy’s formula, the discharge through an open channel is equal to _________________?

A. C (mi) 1/2
B. A (cmi)1/2
C. Ac√R.S
D. A (c.A/pi) 1/2
Answer» D. A (c.A/pi) 1/2
34.

According to Blight, the percolating water seeps along the lower contour of the hydraulic structure, the length traversed by this water is called ______________________?

A. Creep length
B. Seeping length
C. Piping
D. Undermining
Answer» B. Seeping length
35.

A well penetrated in ground water confined between impervious layer at its top and bottom is called __________________?

A. Non-artesian
B. Artesian well
C. Perched
D. Un-confined
Answer» C. Perched
36.

A watershed canal __________________?

A. Irrigates only on one side
B. Avoids the cross drainage works
C. Is generally aligned parallel to the contour of the area
D. Is most suitable in hilly areas
Answer» C. Is generally aligned parallel to the contour of the area
37.

A water rise takes place on down stream of sloping glacis, when a stream of water moving with high velocity and low depth strikes another stream of flow moving with low velocity and high depth, such breakage in water surface is called______________?

A. Water wave
B. Water tide
C. Hydraulic jump
D. Afflux
Answer» D. Afflux
38.

A water pool is designed on the down stream of the hydraulic structure to dissipate the energy of falling water by providing a water cushion called ______________________?

A. Water pool
B. Cistern
C. Down stream pond
D. Water cushion
Answer» C. Down stream pond
39.

A water flow available in the drains without irrigation season i.e.flow of sanitary sewage is called____________________?

A. Municipal flow
B. Dry weather flow
C. Waste water flow
D. Surface flow
Answer» C. Waste water flow
40.

A unit hydrograph is a hydrograph of runoff produced by a rainstorm of a specified duration called ____________________?

A. Unit duration
B. Peak runoff
C. Storm runoff
D. Base flow
Answer» B. Peak runoff
41.

A type of flow in which water particles, while moving in the direction of flow, rotate about their mass centre is called _________________?

A. Turbulent flow
B. Laminar flow
C. Rotational flow
D. Circular flow
Answer» D. Circular flow
42.

A structure provided when a large canal a big drainage channel approach other practically at the same level is called__________________?

A. Super passage
B. Level crossing
C. Canal crossing
D. Drainage crossing
Answer» C. Canal crossing
43.

A structure made near weirs and barrages to facilitate the migration of fish up stream or down stream is called __________________?

A. Fish ladder
B. Fish escape
C. Fish pool
D. Fish pond
Answer» B. Fish escape
44.

A structure constructed in channel width having narrow throat and raised floor in bottom, used for measuring discharge is called _____________________?

A. Cippoletti weir
B. Venturimeter
C. Venturiflume
D. regulator
Answer» D. regulator
45.

A spoil bank is formed when the volume of excavated soil is _________________ of embankment filling?

A. Less than
B. Excess
C. Equal to
D. Not required
Answer» C. Equal to
46.

A series of vertical steps in a stream made to avoid soil scouring is called ___________________?

A. Levees
B. Embankment
C. Cascades
D. Banks
Answer» D. Banks
47.

A river which does not change its alignment – slope and its regime significantly is called________________?

A. Aggrading river
B. Degrading river
C. Stable river
D. Deltaic River
Answer» D. Deltaic River
48.

A river before its joins the sea, gets divided into small channels, thus forming a Triangular shape called __________________?

A. Unstable river
B. Deltaic river
C. Stable river
D. Degrading river
Answer» C. Stable river
49.

A regulator is water controlling structure, it is provided at the head of canal to supply water from parent canal to the branch channel is called_______________________?

A. Head Regulator
B. Cross-Regulator
C. Escape
D. All are correct
Answer» B. Cross-Regulator
50.

A reference point on the ground of accurately known position which is a () point of leveling is called ________________?

A. Check point
B. Reference point
C. Control point
D. Fixed point
Answer» D. Fixed point