MCQOPTIONS
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MCQOPTIONS
This section includes 188 Mcqs, each offering curated multiple-choice questions to sharpen your Irrigation Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
The cubic meters of water that can be stored in an irrigation tank between full tank level and sill level of the lowest supply sluice is known as __________________ |
| A. | the gross capacity |
| B. | effective capacity |
| C. | the specific capacity |
| D. | total capacity |
| Answer» C. the specific capacity | |
| 102. |
Which among the following is a correct representation of Ryve’s formula? |
| A. | Qₚ = C₁. A^2/3 |
| B. | Qₚ = C₁. A^1/3 |
| C. | Qₚ = C₁. L A^2/3 |
| D. | Qₚ = C₁. A |
| Answer» B. Qₚ = C₁. A^1/3 | |
| 103. |
While planning a water supply reservoir as compared to an irrigation reservoir the design yield may be kept __________________ |
| A. | higher |
| B. | lower |
| C. | equal |
| D. | lower or higher as per designers discretion |
| Answer» C. equal | |
| 104. |
A flow duration curve is a curve plotted between ________________ |
| A. | Accumulated flow v/s time |
| B. | Discharge v/s time |
| C. | (Cumulative Inflow – Cumulative Outflow) v/s time |
| D. | Streamflow v/s Percent of time the flow is equaled or exceeded |
| Answer» E. | |
| 105. |
The dead storage in a dam reservoir is the available volume for collection of silt and sediment between _______________ |
| A. | bed level of the reservoir and minimum reservoir level |
| B. | bed level of the reservoir and the silt level in the reservoir |
| C. | bed level of the reservoir and the normal pool level |
| D. | above the minimum pool level |
| Answer» B. bed level of the reservoir and the silt level in the reservoir | |
| 106. |
In what reaches the river flows in a zigzag manner? |
| A. | Boulder River Stage |
| B. | Lower Reaches |
| C. | Degrading |
| D. | Tidal Rivers |
| Answer» C. Degrading | |
| 107. |
What type of river stage widens the bed? |
| A. | Degrading |
| B. | Incised River Stage |
| C. | Boulder River Stage |
| D. | Stable Type |
| Answer» D. Stable Type | |
| 108. |
In the meandering process on which side of the bank erosion takes place? |
| A. | Convex Side |
| B. | Bottom of the River |
| C. | Concave Side |
| D. | Due to Sediment Load |
| Answer» D. Due to Sediment Load | |
| 109. |
Into how many groups the rivers in floodplains can further be divided? |
| A. | 5 |
| B. | 6 |
| C. | 4 |
| D. | 3 |
| Answer» B. 6 | |
| 110. |
Into how many groups rivers in India are divided? |
| A. | 3 |
| B. | 2 |
| C. | 4 |
| D. | 5 |
| Answer» C. 4 | |
| 111. |
A river before joining the sea or ocean gets divided into branches. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 112. |
A river which does not change its alignment, slope is called a stable river. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 113. |
In which type of river building up of slope is present? |
| A. | Deltaic |
| B. | Stable type |
| C. | Degrading Type |
| D. | Aggrading Type |
| Answer» E. | |
| 114. |
What is the shape of cross section of a straight reach? |
| A. | Rectangular |
| B. | Circular |
| C. | Trough |
| D. | Trapezoidal |
| Answer» D. Trapezoidal | |
| 115. |
Meandering of the river causes some serious problems. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 116. |
What is the main aim of mean water training? |
| A. | Effective Disposal of Suspended and Bed Loads |
| B. | To Constant Velocity |
| C. | Flood Control |
| D. | Provide Sufficient Water Depth |
| Answer» B. To Constant Velocity | |
| 117. |
River training works are undertaken for effective disposal of floods and sediment loads. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 118. |
Which category of river training work deals with flood control? |
| A. | Training for Sediment |
| B. | Low Water Training |
| C. | Training for Depth |
| D. | Training for Discharge |
| Answer» E. | |
| 119. |
Which of the following method does not give more than 3% error in the determination of the capacity of a reservoir? |
| A. | Prismoidal formula |
| B. | Trapezoidal method |
| C. | Average formula |
| D. | Integration method |
| Answer» E. | |
| 120. |
Where are shoals formed in a bend in a river? |
| A. | Concave Side |
| B. | Convex Side |
| C. | Middle Section of the River |
| D. | At the Bottom of the River Bed |
| Answer» C. Middle Section of the River | |
| 121. |
The area-elevation curve when integrated will yield the capacity-elevation curve. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 122. |
Average yield of a storage reservoir is the arithmetic average of its ________________ |
| A. | firm yields over a long period |
| B. | secondary yields over a long period |
| C. | firm and secondary yields over a long period |
| D. | reservoir yield over a long period |
| Answer» D. reservoir yield over a long period | |
| 123. |
Which of the following is known as a debris dam? |
| A. | Storage dam |
| B. | Detention dam |
| C. | Diversion dam |
| D. | Rigid dam |
| Answer» C. Diversion dam | |
| 124. |
Which project ranks first in the man-power utilization among the gigantic projects of its own kind in the world? |
| A. | Nagarjuna Sagar Project |
| B. | Bhakra Nangal Project |
| C. | Damodar Valley Project |
| D. | Indira Gandhi Canal |
| Answer» B. Bhakra Nangal Project | |
| 125. |
Lock and dams constructions for creation of a series of slack-water pools along a river for promoting its navigability is adopted only when ________________________ |
| A. | the river is perennial |
| B. | the river carries heavy sediment load |
| C. | the available water in the river is quite less |
| D. | the available water in the river is quite large |
| Answer» D. the available water in the river is quite large | |
| 126. |
Which foundation suggests the adoption of an earth dam or very low gravity dam? |
| A. | Solid rock foundation |
| B. | Gravel foundation |
| C. | Silt and fine sand foundation |
| D. | Clay foundation |
| Answer» D. Clay foundation | |
| 127. |
The temporary structures that are built to enclose certain worksite is ______________ |
| A. | storage dam |
| B. | coffer dam |
| C. | timber dam |
| D. | steel dam |
| Answer» C. timber dam | |
| 128. |
The dredger which excavates sand deposits of a river and discharges the excavated material with water over long distances is called a _________________ |
| A. | ladder dredger |
| B. | suction dredger |
| C. | dipper dredger |
| D. | upper dredger |
| Answer» C. dipper dredger | |
| 129. |
Projecting collars are provided on sides of a rectangular tunnel of length L made through an earthen dam to increase the seepage path. Their projection length (X) and numbers (N) are decided so as to provide increased seepage path equal to 2NX where 2NX should generally be ______________________ |
| A. | greater than L/4 |
| B. | greater than L/3 |
| C. | greater than L/2 |
| D. | greater than L |
| Answer» B. greater than L/3 | |
| 130. |
The capacity-inflow ratio for a reservoir _________________ |
| A. | is a constant factor overtime |
| B. | increases with time |
| C. | decreases with time |
| D. | may increase or decrease with time |
| Answer» D. may increase or decrease with time | |
| 131. |
If A₁ represents the area of a tank bed at bottom and A₂ is the area of the tank at F.T.L, then the storage capacity of the tank of height H is given as ________________________ |
| A. | H [A₁ + A₂ + A₁.A₂] |
| B. | H/2 [A₁ + A₂ + A₁.A₂] |
| C. | H/3 [A₁ + A₂ + A₁.A₂] |
| D. | 2H [A₁ + A₂ + A₁.A₂] |
| Answer» D. 2H [A₁ + A₂ + A₁.A₂] | |
| 132. |
Into how many groups groynes are classified according to the function they serve? |
| A. | 2 |
| B. | 4 |
| C. | 3 |
| D. | 5 |
| Answer» C. 3 | |
| 133. |
Groynes can be used with other training works depending upon the purpose they are used for. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 134. |
Which of the following is the only modern dam that has failed? |
| A. | Koyna dam in India |
| B. | Vega de Tera dam in Spain |
| C. | Mauvoision dam in Switzerland |
| D. | Trinity dam in California, USA |
| Answer» C. Mauvoision dam in Switzerland | |
| 135. |
Aswan dam on Nile River in Egypt was perhaps the first modern dam of the world. Its construction was completed in the year _________ |
| A. | 1664 |
| B. | 1798 |
| C. | 1902 |
| D. | 1931 |
| Answer» D. 1931 | |
| 136. |
Which of the following is the highest stone masonry gravity dam of India as well as of the world? |
| A. | Ramganga dam |
| B. | Nagarjuna Sagar dam |
| C. | Hirakud dam |
| D. | Mettur dam |
| Answer» B. Nagarjuna Sagar dam | |
| 137. |
The maximum level to which the water rises during the worst design flood is known as _________________________ |
| A. | full Reservoir level |
| B. | maximum conservation level |
| C. | minimum pool level |
| D. | surcharge storage |
| Answer» B. maximum conservation level | |
| 138. |
In general practice adopted for capacity computations is to actually survey the site contours only at vertical distances of __________________ |
| A. | 5 m or more |
| B. | Less than 5 m |
| C. | 0.5 m or more |
| D. | Less than 0.5 m |
| Answer» B. Less than 5 m | |
| 139. |
The usual difference between F.T.L and M.T.L is rarely allowed to exceed _____________ |
| A. | 0.3 m |
| B. | 0.6 m |
| C. | 0.9 m |
| D. | 0.5 m |
| Answer» D. 0.5 m | |
| 140. |
Which of the following dredger is not suitable for rocky or boulder river reaches? |
| A. | Suction dredger |
| B. | Ladder dredger |
| C. | Dipper dredger |
| D. | Both ladder and dipper dredger |
| Answer» B. Ladder dredger | |
| 141. |
A hydel power project has been envisaged to serve the water supply and irrigation needs of the area at its inception stage. The dam reservoir so constructed is known as __________________ |
| A. | multipurpose reservoir |
| B. | single-purpose reservoir |
| C. | distribution reservoir |
| D. | retarding reservoir |
| Answer» B. single-purpose reservoir | |
| 142. |
How types of methods are adopted for the training of rivers? |
| A. | 7 |
| B. | 8 |
| C. | 5 |
| D. | 6 |
| Answer» B. 8 | |
| 143. |
The lowest portion of the capacity-elevation curve of a proposed irrigation reservoir draining 20 km² of catchment is represented by the following data:i. The rate of silting for the catchment = 300 m³ / km² / yearii. Life of the reservoir = 50 yearsiii. Dead storage = 30iv. The FSD of the canal at the head = 80 cmv. The crop water requirement = 250 ha.mvi. Dependable yield of the catchment = 0.29 mCalculate the gross capacity of the reservoir. |
| A. | 287.5 ha.m |
| B. | 317.5 ha.m |
| C. | 580 ha.m |
| D. | 37.5 ha.m |
| Answer» C. 580 ha.m | |
| 144. |
Which structures are best suited to resist earthquake shocks without danger? |
| A. | Earthen dams |
| B. | Concrete gravity dams |
| C. | Timber dam |
| D. | Both earthen and concrete gravity dams |
| Answer» E. | |
| 145. |
How types of groynes are there? |
| A. | 4 |
| B. | 2 |
| C. | 3 |
| D. | 5 |
| Answer» C. 3 | |
| 146. |
Which of the following intake structure is widely used in small works? |
| A. | Sluiceways |
| B. | Simple submerged intakes |
| C. | Wet intake towers |
| D. | Dry intake towers |
| Answer» C. Wet intake towers | |
| 147. |
What are the types of flood control reservoirs? |
| A. | Multipurpose reservoir and Single purpose reservoir |
| B. | Storage reservoir and retarding reservoirs |
| C. | Distribution reservoir and Storage reservoir |
| D. | Distribution reservoir and multipurpose reservoir |
| Answer» C. Distribution reservoir and Storage reservoir | |
| 148. |
Which of the following type of tank weirs are provided with a number of vertical steps instead of horizontal or sloping downstream apron? |
| A. | Type A: Masonry weir with a vertical drop |
| B. | Type B: Rock-fill weirs with a sloping apron |
| C. | Type C: Masonry weirs with a glacis |
| D. | Type D: Combination of Type A and Type C |
| Answer» E. | |
| 149. |
In which type of river there is a reduction of the available slope? |
| A. | Braided |
| B. | Stable Type |
| C. | Aggrading Type |
| D. | Degrading Type |
| Answer» E. | |
| 150. |
A sequent peak algorithm is a plot between __________________ |
| A. | Accumulated flow v/s time |
| B. | Discharge v/s time |
| C. | (Cumulative Inflow – Cumulative Outflow) v/s time |
| D. | Mass outflow v/s time |
| Answer» E. | |