MCQOPTIONS
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MCQOPTIONS
This section includes 134 Mcqs, each offering curated multiple-choice questions to sharpen your ENGINEERING SERVICES EXAMINATION (ESE) knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
A control meter is preferred to a weir because |
| A. | it measures the discharge even in silt laiden streams |
| B. | the velocity of approach of the channel increases above the control, and thus removes the silt completely |
| C. | it is not damaged by floating debris |
| D. | all the above. |
| Answer» E. | |
| 102. |
The rate of rainfall for successive 10 minute periods of a 60 minute duration storm, are shown in the below figure. If the value of φindex is 3 cm/hour, the run off will be |
| A. | 2 cm |
| B. | 3 cm |
| C. | 4 cm |
| D. | 5 cm |
| Answer» C. 4 cm | |
| 103. |
Sharp crested weirs are generally used |
| A. | for large flows |
| B. | for small flows |
| C. | for streams carrying high sediment loads |
| D. | for rivers carrying floating debris |
| Answer» B. for small flows | |
| 104. |
The equation given below, which is used for determining the velocity of ground water flow in metres per day is known as |
| A. | Meinzer's formula |
| B. | Slichter's formula |
| C. | Darcy's formula |
| D. | Hazen formula |
| Answer» E. | |
| 105. |
In India the recording type rain gauge generally used, is |
| A. | weighing type |
| B. | tipping type |
| C. | float recording type |
| D. | none of these. |
| Answer» D. none of these. | |
| 106. |
The run off is affected by |
| A. | type of precipitation |
| B. | rain intensity and duration of rainfall |
| C. | rain distribution and soil moisture deficiency |
| D. | all the above. |
| Answer» E. | |
| 107. |
The initial basin recharge is equal to |
| A. | interception |
| B. | depression storage |
| C. | rain absorbed by the moisture deficiency |
| D. | all the above. |
| Answer» E. | |
| 108. |
If the grain size of soil increases |
| A. | surface area decreases |
| B. | specific retention decreases |
| C. | specific yield increases |
| D. | all the above. |
| Answer» E. | |
| 109. |
The coefficients of permeability of soils of an unconfined aquifer and another confined aquifer were determined by pumping water from the wells and observing the effect of water table in two test wells at equal distances was found to be equal. The total height of confined aquifer H is given by |
| A. | H = h2 - h1 |
| B. | H = h1 - h2 |
| C. | H = h2 + h1 |
| D. | (h1 + h2) |
| Answer» E. | |
| 110. |
A well is sunk in an unconfined aquifer having a saturated depth of 100 m. Assuming the equilibrium flow conditions and a homogeneous aquifer and radius of influence to be same, the ratio of discharges at 20 m and 40 m draw downs, is |
| A. | 2/3 |
| B. | 5/4 |
| C. | 4/5 |
| D. | 8/7 |
| Answer» E. | |
| 111. |
A well penetrates to 30 m below the static water table. After 24 hours of pumping at 31.40 litres/minute, the water level in a test well at a distance of 80 m is lowered by 0.5 m and in a well 20 m away water is lowered by 1.0 m. The transmissibility of the auifer, is |
| A. | 1.185 m²/minute |
| B. | 1.285 m²/minute |
| C. | 1.385 m²/minute |
| D. | 1.485 m²/minute |
| Answer» D. 1.485 m²/minute | |
| 112. |
If the loss due to friction in pipes is 4 m, the total losses in strainer and bends may be taken as |
| A. | 0.10 m |
| B. | 0.20 m |
| C. | 0.5 m |
| D. | 1.0 m. |
| Answer» E. | |
| 113. |
The main factor which affects the infiltration capacity, is |
| A. | thickness of saturated layer |
| B. | depth of surface detention |
| C. | soil moisture |
| D. | all the above. |
| Answer» E. | |
| 114. |
Ryve's formula for flood estimate in cumecs, is |
| A. | Q = CA^3/4 |
| B. | Q = CA^2/3 |
| C. | Q = CA^1/2 |
| D. | Q = CA^1/4. |
| Answer» C. Q = CA^1/2 | |
| 115. |
Hydrograph is a graphical representation of |
| A. | surface run off |
| B. | ground water flow |
| C. | rain fall |
| D. | discharge flowing in the river |
| Answer» E. | |
| 116. |
In estimating the rate of evaporation from the reservoir surface, a pan 1.5 metres in diameter, was filled upto 8.0 cm. During a specified period of time, the rainfall recorded was 5 cm. 3 cm of water was removed from the pan to keep the depth of water. At the end of the time, the depth was 9 cm. If the pan coefficient is 0.6, the evaporation loss is |
| A. | 2 mm |
| B. | 4 mm |
| C. | 6 mm |
| D. | 6 mm. |
| Answer» D. 6 mm. | |
| 117. |
Evaporation losses depend upon |
| A. | area of the water surface and depth of the water |
| B. | nature of precipitation and type of vegetation |
| C. | humidity and wind velocity |
| D. | all the above. |
| Answer» E. | |
| 118. |
If total run off of a basin of 50 hectares is 0.8 cm, the ordinate of Bernard's distribution graph, may be calculated by the formula (where Q is the discharge in cumecs at the given time) |
| A. | y = 50 Q |
| B. | y = 100 Q |
| C. | y = 150 Q |
| D. | y = 250 Q |
| Answer» E. | |
| 119. |
When a constant discharge 2.91 litres/sec. was obtained in a pumping test, the draw downs in the test wells at 3 m and 6.184 m were 2.6 m and 0.3 m respectively. If over-all depth of the pumping well was 16 m, the permeability of the soil, is |
| A. | 0.0005 cm/sec |
| B. | 0.001 cm/sec |
| C. | 0.002 cm/sec |
| D. | 0.01 cm/sec. |
| Answer» C. 0.002 cm/sec | |
| 120. |
The formula for calculating the overland flow time (To) in hours for any basin, is (where Lo is the distance of the critical point and H is the difference in elevation) |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» E. | |
| 121. |
If s is the potential infiltration, P is rainfall in cm in a drainage of a soil with fair pasture cover, the direct run off Q in cm is given by |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 122. |
With the usual meanings of letters, the following equation is used for determining the velocity of ground water flow in metres per day. It is known as |
| A. | Meinzer's formula |
| B. | Slichter's formula |
| C. | Darcy's formula |
| D. | Hazen's formula |
| Answer» C. Darcy's formula | |
| 123. |
According to Robert E. Horton, the equation of infiltration capacity curve, is (where letters carry their usual meanings) |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 124. |
Burge formula given by the following equation cumecs is based upon |
| A. | rainfall and drainage area |
| B. | run off and drainage area |
| C. | drainage area and its shape |
| D. | drainage area |
| Answer» D. drainage area | |
| 125. |
In the derivation of Thiem's formula given by following equation, the following assumption is not applicable |
| A. | The aquifer is homogeneous and isotropic |
| B. | Flow lines are radial and horizontal |
| C. | The slope of the water surface is too small |
| D. | The well has been sunk up to the surface of the unconfined aquifer |
| Answer» E. | |
| 126. |
The evaporation of water from the surfaces and its precipitation is known as ___________ |
| A. | Science |
| B. | Infiltration |
| C. | Hydrological cycle |
| D. | Vegetation |
| Answer» D. Vegetation | |
| 127. |
What are used to store water during peak periods? |
| A. | Storage drums |
| B. | Canals |
| C. | Sews |
| D. | Storage Reservoirs |
| Answer» E. | |
| 128. |
Capacity of hydraulic plant is dependent on __________ |
| A. | Minimum quantity of water available |
| B. | Vegetation of the selected area |
| C. | Maximum quantity of water available |
| D. | Available head |
| Answer» B. Vegetation of the selected area | |
| 129. |
On what does the Quantity of water available at selected site depends? |
| A. | Temperature at the selected site |
| B. | Humidity at selected site |
| C. | Vegetation of the area |
| D. | Hydrological cycle of area |
| Answer» E. | |
| 130. |
On what does generation of Hydro power depends? |
| A. | Quantity of water available |
| B. | On capacity of turbine |
| C. | Height of head |
| D. | Storage capacity |
| Answer» B. On capacity of turbine | |
| 131. |
What type of energy does rain falling holds relative to the oceans? |
| A. | Potential energy |
| B. | Kinematic energy |
| C. | Electrical energy |
| D. | Motion energy |
| Answer» B. Kinematic energy | |
| 132. |
Which two countries have vast hydro resources? |
| A. | Hungary and Luxemburg |
| B. | India and china |
| C. | Russia and Nepal |
| D. | Japan and Georgia |
| Answer» D. Japan and Georgia | |
| 133. |
How much of the total amount of power developed world wide consists of hydro power plant? |
| A. | 10% |
| B. | 20% |
| C. | 30% |
| D. | 40% |
| Answer» C. 30% | |
| 134. |
How does Hydro power plays important in development of a country? |
| A. | How does Hydro power plays important in development of a country? |
| B. | Providing abundant amount of power |
| C. | Providing power at cheap rate |
| D. | Power production by hydro power plant is easier |
| Answer» D. Power production by hydro power plant is easier | |