

InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
51. |
The drum situated in recording type makes one rotation for how many hours?(a) 4 hours(b) 24 hours(c) 6 hours(d) 12 hoursThis question was posed to me in an internship interview.Origin of the question is Rainfall and its Measurement topic in chapter Hydro Electric Power Plant of Energy Engineering |
Answer» The correct choice is (b) 24 hours |
|
52. |
Water evaporated is carried with the air in form of vapor known as _______(a) Cloud(b) Drizzle(c) Fog(d) SmokeI had been asked this question by my school teacher while I was bunking the class.I would like to ask this question from Hydrology topic in section Hydro Electric Power Plant of Energy Engineering |
Answer» Correct answer is (a) Cloud |
|
53. |
What type of energy does rain falling holds relative to the oceans?(a) Potential energy(b) Kinematic energy(c) Electrical energy(d) Motion energyThe question was asked during an interview for a job.The question is from Hydrology in portion Hydro Electric Power Plant of Energy Engineering |
Answer» Correct answer is (a) Potential energy |
|
54. |
How much of the total amount of power developed world wide consists of hydro power plant?(a) 10%(b) 20%(c) 30%(d) 40%The question was posed to me in class test.I'd like to ask this question from Hydrology topic in section Hydro Electric Power Plant of Energy Engineering |
Answer» Right OPTION is (b) 20% |
|
55. |
Which type of gate valves are used in high head installations?(a) Needle valves(b) Butterfly valves(c) Globe valve(d) Pinch valveThe question was asked by my college professor while I was bunking the class.The question is from Classification of Hydro-Plant in portion Hydro Electric Power Plant of Energy Engineering |
Answer» RIGHT choice is (a) Needle valves The explanation is: Needle valves are used in high head installations. The needle VALVE consists of three water filled CHAMBERS A, B and C in which HYDRAULIC pressures can be varied. The valves are opened and closed by varying the pressures in these chambers. |
|
56. |
Water containing H2S, CO2 and CH2 are less corrosive to dam structure.(a) True(b) FalseThis question was posed to me during an online interview.The above asked question is from Site Selection for Hydro Electric Power Plants in portion Hydro Electric Power Plant of Energy Engineering |
Answer» The correct ANSWER is (b) False |
|
57. |
Determine the flow rate of water, if the catchment area of hydroelectric power is 2500 km^2, with an average rainfall of 160cm. the percolation and evaporation losses account for 19%?(a) 9639.8 M^3/s(b) 42.8 M^3/s(c) 859.63 M^3/s(d) 2342 M^3/sThis question was posed to me in an interview for job.I need to ask this question from Hydrographs topic in chapter Hydro Electric Power Plant of Energy Engineering |
Answer» Correct choice is (a) 9639.8 M^3/s |
|
58. |
What does hydrograph based on day gives?(a) Idea about flood period during the month(b) Idea of rainfall(c) Idea of draught during the year(d) Idea of scarcity of water in the upcoming yearThis question was addressed to me during an internship interview.I want to ask this question from Hydrographs topic in division Hydro Electric Power Plant of Energy Engineering |
Answer» The correct option is (a) IDEA about FLOOD PERIOD during the month |
|
59. |
What do you call a graph which is plotted for discharge versus time?(a) Snow Graph(b) Hydrograph(c) Rain graph(d) Fluid graphI had been asked this question in an online quiz.The question is from Hydrographs in portion Hydro Electric Power Plant of Energy Engineering |
Answer» Right option is (B) HYDROGRAPH |
|
60. |
Rocky area gives higher runoff than sandy area.(a) True(b) FalseThis question was posed to me during an interview.I'm obligated to ask this question of Rainfall and its Measurement topic in division Hydro Electric Power Plant of Energy Engineering |
Answer» The CORRECT choice is (a) True |
|
61. |
Iso-hyete method is commonly used for the basin area above 500sq.km.(a) True(b) FalseThis question was addressed to me in final exam.Query is from Rainfall and its Measurement in chapter Hydro Electric Power Plant of Energy Engineering |
Answer» Right option is (a) True |
|
62. |
How many years of minimum rainfall is required to design hydroelectric projects?(a) 10(b) 20(c) 25(d) 35I had been asked this question during a job interview.Origin of the question is Rainfall and its Measurement topic in division Hydro Electric Power Plant of Energy Engineering |
Answer» Right OPTION is (d) 35 |
|
63. |
The base of the non-recording type rainfall is permanently fixed in the concrete block.(a) True(b) FalseThis question was addressed to me in semester exam.I would like to ask this question from Rainfall and its Measurement in chapter Hydro Electric Power Plant of Energy Engineering |
Answer» The correct answer is (a) True |
|
64. |
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 areaThe question was asked in final exam.This interesting question is from Hydrology topic in section Hydro Electric Power Plant of Energy Engineering |
Answer» The correct answer is (d) HYDROLOGICAL cycle of area |
|
65. |
Which two countries have vast hydro resources?(a) Hungary and Luxemburg(b) India and china(c) Russia and Nepal(d) Japan and GeorgiaI got this question in class test.Question is taken from Hydrology in division Hydro Electric Power Plant of Energy Engineering |
Answer» Correct answer is (c) Russia and NEPAL |
|
66. |
On what does generation of Hydro power depends?(a) Quantity of water available(b) On capacity of turbine(c) Height of head(d) Storage capacityThis question was addressed to me by my school teacher while I was bunking the class.This question is from Hydrology in division Hydro Electric Power Plant of Energy Engineering |
Answer» Right CHOICE is (a) Quantity of water available |
|
67. |
Low head hydro plant is also known as ____________(a) Canal power plant(b) Medium head hydro-plant(c) Run-off river hydro-plant(d) Base load hydro plantThe question was asked by my school teacher while I was bunking the class.My question comes from Classification of Hydro-Plant in division Hydro Electric Power Plant of Energy Engineering |
Answer» Right choice is (a) CANAL power plant |
|
68. |
Which type of hydro plant is it if the head of a hydro plant is 30 – 100m?(a) High head hydro-plant(b) Medium head hydro-plant(c) Low head hydro-plant(d) Base load hydro-plantI had been asked this question during an interview for a job.I'd like to ask this question from Classification of Hydro-Plant in section Hydro Electric Power Plant of Energy Engineering |
Answer» CORRECT choice is (b) Medium head hydro-plant Best EXPLANATION: If the water AVAILABLE is more than 30M but less than 100M, than this type of plant is known as medium head plant. Water stored in fore bay is conveyed to the turbine through penstocks. In these plants the river water is tapped off to a fore bay on one bank of rive. |
|
69. |
The water from is drawn by the __________(a) Canal(b) Hose(c) Stream(d) PenstockI have been asked this question in an interview for internship.Origin of the question is Site Selection for Hydro Electric Power Plants in portion Hydro Electric Power Plant of Energy Engineering |
Answer» Right choice is (a) Canal |
|
70. |
Determine the pondage factor if the plant is working at peak time of 16 hrs?(a) 1.5(b) 0.75(c) 2.5(d) 0.3I have been asked this question in an online quiz.The query is from Hydrographs in chapter Hydro Electric Power Plant of Energy Engineering |
Answer» Right ANSWER is (a) 1.5 |
|
71. |
Amount of rainfall which runs off the earth’s land surface to form stream is used for ______(a) Flower generation(b) Back water storage(c) Pit Irrigation(d) Left through canalsThis question was posed to me in an online interview.The doubt is from Hydrology in portion Hydro Electric Power Plant of Energy Engineering |
Answer» Correct choice is (a) Flower generation |
|
72. |
The magnitude of runoff as ordinates against the corresponding percentage of time as abscissa gives ________(a) Mass duration curve(b) Load duration curve(c) Power duration curve(d) Flow duration curveThis question was posed to me in an interview for internship.My doubt is from Hydrographs topic in portion Hydro Electric Power Plant of Energy Engineering |
Answer» The correct CHOICE is (d) Flow duration curve |
|
73. |
The relation between the area of rainstorm and its average intensity is used in assessing _________(a) Amount of water(b) Amount of rain(c) Amount of wind(d) Amount of duration of rainThis question was posed to me in final exam.This key question is from Rainfall and its Measurement topic in division Hydro Electric Power Plant of Energy Engineering |
Answer» Correct option is (b) Amount of rain |
|
74. |
What AEP stand for in hydrology?(a) Annual exceedance probability(b) Annual energy production(c) Annual exceedance period(d) Automatic engagement panelThis question was addressed to me at a job interview.I would like to ask this question from Hydrographs in section Hydro Electric Power Plant of Energy Engineering |
Answer» Correct ANSWER is (a) Annual exceedance probability |
|
75. |
About how much amount of precipitate is returned back to atmosphere?(a) 2/3(b) 1/4(c) 3/4(d) 1/3I had been asked this question during an interview for a job.My question is from Hydrology in chapter Hydro Electric Power Plant of Energy Engineering |
Answer» The CORRECT option is (a) 2/3 |
|
76. |
A pipe between surge tank and prime mover is known as?(a) Canal(b) Draft tube(c) Penstock(d) HoseI had been asked this question during an online interview.My question is taken from Site Selection for Hydro Electric Power Plants topic in division Hydro Electric Power Plant of Energy Engineering |
Answer» Right choice is (c) PENSTOCK |
|
77. |
Above which range should be the unit hydrographs be used?(a) Around 5000 sq km(b) Over 2500 sq km(c) Around 4000 sq km(d) Below 5000 sq kmI have been asked this question in examination.This intriguing question comes from Hydrographs in portion Hydro Electric Power Plant of Energy Engineering |
Answer» Correct OPTION is (a) Around 5000 sq KM |
|
78. |
What does CN stands for in hydrology?(a) Cyanide(b) Channel number(c) Cumulonimbus(d) Carbon nano-tubeThis question was addressed to me during a job interview.I want to ask this question from Hydrographs topic in division Hydro Electric Power Plant of Energy Engineering |
Answer» The correct answer is (c) Cumulonimbus |
|
79. |
How many methods are used to determine the average rainfall depending upon area of basin in rain gauging?(a) 2(b) 3(c) 4(d) 5I have been asked this question in an online interview.The doubt is from Rainfall and its Measurement in section Hydro Electric Power Plant of Energy Engineering |
Answer» Right choice is (b) 3 |
|
80. |
The surge tank controls the water when the load on the turbine is ________(a) Equal(b) Decreased(c) Increased(d) Not presentThe question was asked in an international level competition.I would like to ask this question from Classification of Hydro-Plant topic in section Hydro Electric Power Plant of Energy Engineering |
Answer» The CORRECT option is (B) Decreased |
|
81. |
In which of the following rain gauging method is contour joining the points of equal rainfall is done?(a) Arithmetic mean method(b) Thiesson method(c) Iso-hyetol method(d) Recording typeThe question was posed to me in exam.This interesting question is from Rainfall and its Measurement in chapter Hydro Electric Power Plant of Energy Engineering |
Answer» | |
82. |
In which of the following rain gauging methods are the values of rainfalls of all stations added?(a) Arithmetic mean method(b) Thiesson method(c) Iso-hyetol method(d) Recording typeThe question was posed to me in an interview for internship.My query is from Rainfall and its Measurement in portion Hydro Electric Power Plant of Energy Engineering |
Answer» The correct answer is (a) Arithmetic mean method |
|
83. |
Water on the ground surface entering the soil is called _________(a) Infiltration(b) Transpiration(c) Filtration(d) PrecipitationThis question was addressed to me during an interview for a job.The above asked question is from Hydrology in section Hydro Electric Power Plant of Energy Engineering |
Answer» Right ANSWER is (a) INFILTRATION |
|
84. |
Determine the pondage factor if the plant is working at time of 8 hrs?(a) 2.5(b) 3.8(c) 1(d) 3I got this question at a job interview.I need to ask this question from Hydrographs in portion Hydro Electric Power Plant of Energy Engineering |
Answer» Correct option is (d) 3 |
|
85. |
Find the power available if overall efficiency of plant is 80%, flow rate is 4.42cumecs and head 400m?(a) 6.52MW(b) 8.18MW(c) 11.255MW(d) 13.875MWI had been asked this question in my homework.I want to ask this question from Hydrographs topic in chapter Hydro Electric Power Plant of Energy Engineering |
Answer» Right CHOICE is (d) 13.875MW |
|
86. |
The runoff calculated from the rainfall data available for sufficiently long period by multiplying with a coefficient is known as _________(a) Runoff coefficient(b) Rainfall coefficient(c) Topographic coefficient(d) Geo coefficientThis question was addressed to me during an internship interview.My doubt stems from Rainfall and its Measurement in chapter Hydro Electric Power Plant of Energy Engineering |
Answer» | |
87. |
Average annual rainfall ranging to dessert to hilly regions would be ________________(a) 1100cm(b) 2500cm(c) 845cm(d) 500cmThis question was posed to me by my school principal while I was bunking the class.Question is from Rainfall and its Measurement in chapter Hydro Electric Power Plant of Energy Engineering |
Answer» Right option is (a) 1100CM |
|
88. |
Where is the catchment area situated with respect to dam?(a) Behind the dam(b) Front of dam(c) Right beneath the dam(d) Opposite to the Dam HeadI have been asked this question by my school teacher while I was bunking the class.My enquiry is from Hydrology topic in division Hydro Electric Power Plant of Energy Engineering |
Answer» The correct ANSWER is (a) Behind the dam |
|
89. |
What source of energy does evaporation and precipitation consists of?(a) Perennial energy(b) Gravitational energy(c) Thermal energy(d) Kinetic energyI had been asked this question during an interview.I'm obligated to ask this question of Hydrology in portion Hydro Electric Power Plant of Energy Engineering |
Answer» The correct option is (a) Perennial energy |
|
90. |
What type of Hydro plant is it if the Plant head is above 100m?(a) High head hydro-plant(b) Medium head hydro-plant(c) Low head hydro-plant(d) Base load hydro-plantThe question was posed to me in an international level competition.My doubt is from Classification of Hydro-Plant in section Hydro Electric Power Plant of Energy Engineering |
Answer» RIGHT option is (a) HIGH head hydro-plant The EXPLANATION: If the head of water available is above 100m, the plant is known as a high head plant. IN this head, water available for PRODUCING electricity is very high and it can EXTEND to 1000 meters. These are most commonly constructed hydro plants. |
|
91. |
A safety valve for a dam to discharge major floods is called?(a) Spillway(b) Penstock(c) Fore bay(d) CanalThis question was addressed to me in an online quiz.This key question is from Site Selection for Hydro Electric Power Plants in division Hydro Electric Power Plant of Energy Engineering |
Answer» CORRECT option is (a) Spillway For explanation I WOULD say: Spillway is a SAFETY valve for a dam to discharge major floods without damage to dam. It keeps the RESERVOIR level below some predetermined MAXIMUM level. Spillway ensures that water does not overflow and damage or destroy the dam. |
|
92. |
When is the Hydrograph called as a unit hydrograph?(a) When 1cm of runoff is resulted from a rain fall(b) When 3cm of runoff is resulted from rainfall(c) When 1mm of runoff is resulted from rainfall(d) When 3mm of runoff is resulted from rainfallThe question was posed to me in examination.Enquiry is from Hydrographs in portion Hydro Electric Power Plant of Energy Engineering |
Answer» Correct OPTION is (a) When 1cm of runoff is resulted from a rain fall |
|
93. |
Where are funnel and receiver in Non-recording type placed?(a) Inside a Metal case(b) On top of the equipment(c) Below the base of equipment(d) In between the metal caseI have been asked this question by my college director while I was bunking the class.Enquiry is from Rainfall and its Measurement in portion Hydro Electric Power Plant of Energy Engineering |
Answer» CORRECT choice is (a) Inside a METAL case The EXPLANATION is: The non-recording gauge usually consists of a standard funnel discharging into a receiver large ENOUGH to hold the maximum possible day’s rainfall. The funnel and receiver are placed in a metal casing with suitable packing. |
|
94. |
The evaporation of water from the surfaces and its precipitation is known as ___________(a) Science(b) Infiltration(c) Hydrological cycle(d) VegetationThe question was asked in a job interview.My doubt stems from Hydrology in chapter Hydro Electric Power Plant of Energy Engineering |
Answer» Right option is (c) HYDROLOGICAL cycle |
|
95. |
Water gets polluted by submerged vegetation mineral.(a) True(b) FalseI had been asked this question in an international level competition.Asked question is from Site Selection for Hydro Electric Power Plants topic in chapter Hydro Electric Power Plant of Energy Engineering |
Answer» Correct option is (a) True |
|
96. |
What is unit hydrograph helpful in?(a) Estimating runoff from a basin(b) Estimating no of days of rain fall(c) Knowing the draught months in a year(d) In deciding the land for hydel power plantThis question was posed to me in a national level competition.I'm obligated to ask this question of Hydrographs topic in portion Hydro Electric Power Plant of Energy Engineering |
Answer» Correct answer is (a) Estimating runoff from a BASIN |
|
97. |
There is requirement for wind shelter to reduce wind effect at rain gauge area.(a) True(b) FalseThis question was posed to me during an interview.My question is taken from Rainfall and its Measurement topic in division Hydro Electric Power Plant of Energy Engineering |
Answer» Right ANSWER is (a) True |
|
98. |
Choose the correct sentence about information available from hydrograph among the following options?(a) The mean annual runoff or mean runoff each week of the year(b) Total volume at that instant, as the area under hydrograph indicates the force of water during the duration(c) Rate of flow at any particular time during the duration period(d) Mean runoff for each monthThis question was addressed to me by my school teacher while I was bunking the class.Asked question is from Hydrographs in chapter Hydro Electric Power Plant of Energy Engineering |
Answer» Right choice is (d) Mean runoff for each month |
|
99. |
Movement and filtering of fluid from porous material is called as __________(a) Percolation(b) Infiltration(c) Transpiration(d) PrecipitationThis question was posed to me by my school teacher while I was bunking the class.The query is from Rainfall and its Measurement topic in section Hydro Electric Power Plant of Energy Engineering |
Answer» | |
100. |
How many types of rain gauges are there?(a) 2(b) 3(c) 4(d) 5I got this question in quiz.The question is from Rainfall and its Measurement topic in chapter Hydro Electric Power Plant of Energy Engineering |
Answer» Right choice is (a) 2 |
|