In rigid module, the discharge
In rigid module, the discharge
For a proportional outlet, the flexibility is
For a proportional outlet, the flexibility is
Tortuosity of a meandering river is always
Tortuosity of a meandering river is always
If the height of the hydraulic gradient line above the floor of thickness t is h and the specific gravity of the material of the floor is G, the minimum thickness t of the floor downstream of the crest-wall, is given by the equation
If the height of the hydraulic gradient line above the floor of thickness t is h and the specific gravity of the material of the floor is G, the minimum thickness t of the floor downstream of the crest-wall, is given by the equation
In North Indian Plains, optimum depth of kor watering for wheat, is
In North Indian Plains, optimum depth of kor watering for wheat, is
Irrigation canals are generally aligned along
Irrigation canals are generally aligned along
Effective precipitation for a crop may be defined as
Effective precipitation for a crop may be defined as
Regime conditions in a channel may occur if
Regime conditions in a channel may occur if
If the demand line drawn from a ridge in a flow mass curve does not intersect the curve again, it indicates that
If the demand line drawn from a ridge in a flow mass curve does not intersect the curve again, it indicates that
According to Lacey, depth of scour in a river depends upon the straightness of the reach. If D is the depth of scour in regime flow in a right angled bend, it is
According to Lacey, depth of scour in a river depends upon the straightness of the reach. If D is the depth of scour in regime flow in a right angled bend, it is
Main purpose of mean water training for rivers is
Main purpose of mean water training for rivers is
Which of the following is a flexible outlet ?
Which of the following is a flexible outlet ?
Pick up the correct statement from the following:
Pick up the correct statement from the following:
If the straight sides of a triangular section of a lined canal with circular bottom of radius D, make an angle ? with horizontal, the hydraulic mean depth is
If the straight sides of a triangular section of a lined canal with circular bottom of radius D, make an angle ? with horizontal, the hydraulic mean depth is
The depth of the crest of a scouring sluice below the crest of a head regulator, is generally kept
The depth of the crest of a scouring sluice below the crest of a head regulator, is generally kept
If the critical shear stress of a channel is XC, then the average value of shear stress required to move the grain on the bank is
If the critical shear stress of a channel is XC, then the average value of shear stress required to move the grain on the bank is
The most suitable chemical which can be applied to the water surface for reducing evaporation is
The most suitable chemical which can be applied to the water surface for reducing evaporation is
The depth of rice root zone, is
The depth of rice root zone, is
According to Khosla’s theory, the exit gradient in the absence of a downstream cutoff is
According to Khosla’s theory, the exit gradient in the absence of a downstream cutoff is
If B and d are the bed width and depth of a channel in meters, the combined losses due to evaporation and seepage in cumecs per kilometer length of the channel, is
If B and d are the bed width and depth of a channel in meters, the combined losses due to evaporation and seepage in cumecs per kilometer length of the channel, is
For a standing crop, the consumptive use of water is equal to the depth of water
For a standing crop, the consumptive use of water is equal to the depth of water
Cross regulators in main canals are provided
Cross regulators in main canals are provided
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
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
When surface of transpiration is submerged under water, then potential evapotranspiration is
When surface of transpiration is submerged under water, then potential evapotranspiration is
A unit hydro graph has one unit of
A unit hydro graph has one unit of
A hydraulic structure is designed to withstand
A hydraulic structure is designed to withstand
Which of the following is a non-recording raingauge ?
Which of the following is a non-recording raingauge ?
Cyclonic precipitation is caused by lifting of an air mass due to
Cyclonic precipitation is caused by lifting of an air mass due to
Infiltration rate is always
Infiltration rate is always
Select the correct statement.
Select the correct statement.
As compared to crest of the normal portion of the weir, the crest of the under sluice portion of weir is kept at
As compared to crest of the normal portion of the weir, the crest of the under sluice portion of weir is kept at
Infiltration is the
Infiltration is the
The optimum depth of kor watering for a rice crop, is
The optimum depth of kor watering for a rice crop, is
A straight glacis type fall with a baffle platform and a baffle wall is called
A straight glacis type fall with a baffle platform and a baffle wall is called
Dimensions of coefficient of transmissibility are
Dimensions of coefficient of transmissibility are
In a canal syphon, the flow is
In a canal syphon, the flow is
Attracting groynes are built
Attracting groynes are built
The most suitable location of a canal head work, is
The most suitable location of a canal head work, is
When a canal flowing under pressure is carried below a natural drainage such that its F.S.L. does not touch the underside of the supporting structure, the structure so provided, is called
When a canal flowing under pressure is carried below a natural drainage such that its F.S.L. does not touch the underside of the supporting structure, the structure so provided, is called
Side slopes generally kept for canals in loam soil, are:
Side slopes generally kept for canals in loam soil, are:
Which one of the following statements is correct?
Which one of the following statements is correct?
Garnett's diagrams are used for graphical solution of design equations of a canal by
Garnett's diagrams are used for graphical solution of design equations of a canal by
To control the silt entry into a distributary at head regulator, King's vanes are provided which are the walls
To control the silt entry into a distributary at head regulator, King's vanes are provided which are the walls
Vertical drop fall is satisfactory for a height upto
Vertical drop fall is satisfactory for a height upto
Seepage through foundation in an earthen dam is controlled by providing
Seepage through foundation in an earthen dam is controlled by providing
The meander pattern of a river is developed by
The meander pattern of a river is developed by
The relation between probability (P) and recurrence interval (T) is given by
The relation between probability (P) and recurrence interval (T) is given by
The ratio of the rate of change of discharge of an outlet and parent channel, is known as
The ratio of the rate of change of discharge of an outlet and parent channel, is known as
For the upstream face of an earthen dam, the most adverse condition for stability of slope is
For the upstream face of an earthen dam, the most adverse condition for stability of slope is
Lacy's regime condition is obtained if
Lacy's regime condition is obtained if
Generally the weir is aligned at right angles to the direction of the main river current because
Generally the weir is aligned at right angles to the direction of the main river current because
The aqueduct or superpassage type of works are generally used when
The aqueduct or superpassage type of works are generally used when
Horizontal acceleration due to earthquake results in
Horizontal acceleration due to earthquake results in
As per Lacey’s theory, the silt factor is
As per Lacey’s theory, the silt factor is
Pick up the incorrect statement from the following:
Pick up the incorrect statement from the following:
S-hydrograph is used to obtain unit hydrograph of
S-hydrograph is used to obtain unit hydrograph of
Pick up the correct statement from the following:
Pick up the correct statement from the following:
If the straight sides of a triangular section of a lined canal with circular bottom of radius R, make an angle θ with horizontal, the perimeter of the canal is
If the straight sides of a triangular section of a lined canal with circular bottom of radius R, make an angle θ with horizontal, the perimeter of the canal is
The crest level of a canal diversion head work, depends upon
The crest level of a canal diversion head work, depends upon
In a Sarda type fall, the rectangular crest, may be used for discharge up to
In a Sarda type fall, the rectangular crest, may be used for discharge up to
Select the incorrect statement.
Select the incorrect statement.
A deficit of sediments in flowing water may cause a river
A deficit of sediments in flowing water may cause a river
For smooth entry of water in a canal, the angle between head regulator and water is generally kept
For smooth entry of water in a canal, the angle between head regulator and water is generally kept
If there are two canals taking off from each flank of a river, then there will be
If there are two canals taking off from each flank of a river, then there will be
Pick up the correct statement from the following
Pick up the correct statement from the following
Retrogression of the bed level of a river downstream a weir, occurs due to
Retrogression of the bed level of a river downstream a weir, occurs due to
For standing crops in undulating sandy fields, the best method of irrigation, is
For standing crops in undulating sandy fields, the best method of irrigation, is
Silt excluders are constructed on the
Silt excluders are constructed on the
For diversion of flood water of rivers, the type of canal constructed, is
For diversion of flood water of rivers, the type of canal constructed, is
The minimum size of stone that will remain at rest in a channel of longitudinal slope S and hydraulic mean depth R is given by
The minimum size of stone that will remain at rest in a channel of longitudinal slope S and hydraulic mean depth R is given by
The sinuosity of a meander is the ratio of
The sinuosity of a meander is the ratio of
A fall which maintains its depth, is
A fall which maintains its depth, is
The shape of recession limb of a hydrograph depends upon
The shape of recession limb of a hydrograph depends upon
The stream which does not have any base flow contribution is called
The stream which does not have any base flow contribution is called
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
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
The unit hydrograph due to a storm may be obtained by dividing the ordinates of the direct runoff hydrograph by
The unit hydrograph due to a storm may be obtained by dividing the ordinates of the direct runoff hydrograph by
When a canal is carried over a natural drainage, the structure provided, is known as
When a canal is carried over a natural drainage, the structure provided, is known as
Infiltration capacity
Infiltration capacity
The discharge passing over an ogee spillway is given by (where, L is effective length of spillway crest and H is the total head over the spillway crest including velocity head.)
The discharge passing over an ogee spillway is given by (where, L is effective length of spillway crest and H is the total head over the spillway crest including velocity head.)
Process of meandering is due to
Process of meandering is due to
The net speed under which the turbine reaches its peak efficiency is called
The net speed under which the turbine reaches its peak efficiency is called
For cereal crops the most commonly adopted method of irrigation, is
For cereal crops the most commonly adopted method of irrigation, is
The ratio of the quantity of water stored in the root zone of the crops to the quantity of water actually delivered in the field is known as
The ratio of the quantity of water stored in the root zone of the crops to the quantity of water actually delivered in the field is known as
Which of the following methods of applying water may be used on rolling land ?
Which of the following methods of applying water may be used on rolling land ?
The water stored in the reservoir below the minimum pool level is called
The water stored in the reservoir below the minimum pool level is called
The unit hydrograph of a specified duration can be used to evaluate the hydrograph of storms of
The unit hydrograph of a specified duration can be used to evaluate the hydrograph of storms of
The water utilizable by plants is available in soils mainly in the form of
The water utilizable by plants is available in soils mainly in the form of
An aggrading river is a
An aggrading river is a
For a flood control reservoir, the effective storage is equal to
For a flood control reservoir, the effective storage is equal to
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
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
The measure to remove water logging of land, is
The measure to remove water logging of land, is
The most suitable material for the central impervious core of a zoned embankment type dam is
The most suitable material for the central impervious core of a zoned embankment type dam is
A runoff river plant is
A runoff river plant is
The best unit duration of storm for a unit hydrograph is
The best unit duration of storm for a unit hydrograph is
The main cause of silting up a channel,
The main cause of silting up a channel,
The runoff increases with
The runoff increases with
Pick up the correct statement from the following:
Pick up the correct statement from the following:
The top of the capillary zone
The top of the capillary zone
In Montague type fall
In Montague type fall
The saturation line is the line up to which banks get saturated after the canal runs for some time. The saturation gradient in ordinary loam soil, is generally
The saturation line is the line up to which banks get saturated after the canal runs for some time. The saturation gradient in ordinary loam soil, is generally
