

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.
201. |
Which calorific value is same as the thermodynamic heat of combustion?(a) Net calorific value(b) Flash point value(c) Gross calorific value(d) Fire point valueThe question was asked by my school principal while I was bunking the class.I'd like to ask this question from Calorific Value of Fuels in section Steam Power Plant of Energy Engineering |
Answer» Right choice is (d) Fire point value |
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202. |
Which gas has the highest calorific value among given option?(a) Oxygen(b) Helium(c) Hydrogen(d) NitrogenThe question was asked in my homework.I want to ask this question from Calorific Value of Fuels topic in division Steam Power Plant of Energy Engineering |
Answer» The correct choice is (C) HYDROGEN |
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203. |
Which two nuclear fuels are produced artificially?(a) 92Pu^239 and 92U^233(b) 92Pu^244 and 92U^234(c) 92Pu^241 and 92U^235(d) 92Pu^242 and 92U^236I got this question in quiz.The origin of the question is Gaseous Fuels & Nuclear Fuels topic in section Steam Power Plant of Energy Engineering |
Answer» Right choice is (a) 92Pu^239 and 92U^233 |
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204. |
Which among the following fuels need excess amount of air for complete combustion?(a) Natural fuels(b) Liquid fuels(c) Gaseous fuels(d) Artificial solid fuelsI got this question by my school teacher while I was bunking the class.This interesting question is from Artificial Solid Fuels & Liquid Fuels in division Steam Power Plant of Energy Engineering |
Answer» Correct answer is (d) Artificial solid fuels |
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205. |
Which fuel has the lightest liquid petroleum fraction?(a) Diesel(b) Petrol(c) Distillate(d) KeroseneThe question was asked in an interview for internship.I'm obligated to ask this question of Artificial Solid Fuels & Liquid Fuels topic in section Steam Power Plant of Energy Engineering |
Answer» RIGHT choice is (b) PETROL To explain I would say: Petrol has the lightest LIQUID petroleum fraction and highly volatile in nature. It is also called GASOLINE. It has a specific GRAVITY ranging from 0.70 to 0.78. It is obtained between 65 to 200^oC and it is a mixture of a number of hydrocarbons. It is light yellow in color and it is used as a fuel in automobiles and aero planes. |
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206. |
Which fuel is partially carbonized and is considered as a primary stage in coal formation?(a) Coal bitumen(b) Anthracite(c) Peat(d) LigniteThis question was posed to me during an online exam.I'd like to ask this question from Types of Fuels in portion Steam Power Plant of Energy Engineering |
Answer» The correct choice is (c) Peat |
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207. |
Which fuel is produced by slow pyrolysis?(a) Dung cake(b) Coke(c) Charcoal(d) BriquetteThe question was asked in a national level competition.I need to ask this question from Artificial Solid Fuels & Liquid Fuels in section Steam Power Plant of Energy Engineering |
Answer» The correct choice is (c) Charcoal |
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208. |
Which fuel is the final stage in the formation of coal?(a) Bituminous coal(b) Anthracite coal(c) Peat(d) LigniteThe question was posed to me in unit test.Enquiry is from Types of Fuels topic in section Steam Power Plant of Energy Engineering |
Answer» Right option is (b) Anthracite COAL |
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209. |
By what means the power in the steam power plant is developed?(a) Condenser(b) Electric power system(c) Prime mover(d) EconomizerThis question was posed to me in a national level competition.Question is from Feed Water and Steam Generation System, Working of Thermal Power Plant in division Steam Power Plant of Energy Engineering |
Answer» Correct CHOICE is (c) Prime mover |
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210. |
In what aspect does the nozzle make changes?(a) Temperature(b) Volume(c) Pressure(d) DensityI had been asked this question in an international level competition.This intriguing question originated from Feed Water and Steam Generation System, Working of Thermal Power Plant topic in portion Steam Power Plant of Energy Engineering |
Answer» The correct choice is (c) Pressure |
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211. |
Feed water from the hot well is supplied to steam generator by using the _________(a) Sewers(b) Cistern(c) Water trough(d) Feed pumpI had been asked this question during a job interview.Enquiry is from Feed Water and Steam Generation System, Working of Thermal Power Plant topic in chapter Steam Power Plant of Energy Engineering |
Answer» The CORRECT OPTION is (d) Feed pump |
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212. |
Which fuel has higher thermodynamic efficiency in liquid fuels?(a) Diesel(b) Petrol(c) Kerosene(d) LPGI got this question in exam.Asked question is from Artificial Solid Fuels & Liquid Fuels in chapter Steam Power Plant of Energy Engineering |
Answer» RIGHT choice is (a) Diesel For explanation: Diesel is heavier than kerosene. It has SPECIFIC gravity ranging from 0.86 to 0.95. It is obtained between 200 to 370^oC. It is USED in diesel engine. Diesel engines have found broad use as a result of HIGHER thermodynamic efficiency and fuel efficiency. |
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213. |
How flue gas is made use of in steam power plant?(a) To maintain the constant pressure inside boiler(b) To heat the water in the tubes of boiler(c) To increase or decrease the pressure inside the boiler(d) To remove all unnecessary chemical constituentsThis question was posed to me during an online interview.Question is taken from Cooling Water System, Air & Fuel Gas System in division Steam Power Plant of Energy Engineering |
Answer» Correct answer is (b) To heat the WATER in the TUBES of boiler |
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214. |
On what factors does hydel plant entirely depend?(a) Vegetation(b) Tropical cycle(c) Amount of Rainfall(d) Hydrological cycleThis question was addressed to me in homework.Asked question is from Necessity of a Steam Plant in chapter Steam Power Plant of Energy Engineering |
Answer» The correct choice is (d) Hydrological CYCLE |
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215. |
Which fuel has higher calorific value among given fuels?(a) Natural gas(b) Gasoline(c) Diesel(d) Fuel oilI got this question in an online quiz.Enquiry is from Calorific Value of Fuels in portion Steam Power Plant of Energy Engineering |
Answer» Correct ANSWER is (b) Gasoline |
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216. |
Lower calorific value can be determined by equation:(a) LCV = HCV – m*2466(b) LCV = HCV + (m/2466)(c) LCV = HCV – (m/2466)(d) LCV = HCV + (m*2466)This question was addressed to me in an interview for job.This question is from Calorific Value of Fuels in section Steam Power Plant of Energy Engineering |
Answer» | |
217. |
Which value is determined by subtracting the heat of vaporization of the water from the higher heating value?(a) Gross calorific value(b) Net calorific value(c) Ignition temperature(d) Fire point temperatureI got this question in a national level competition.My query is from Calorific Value of Fuels topic in division Steam Power Plant of Energy Engineering |
Answer» The CORRECT CHOICE is (B) Net calorific value |
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218. |
How much percent of hydrogen gas does methane contain?(a) 25%(b) 50%(c) 68%(d) 85%I got this question in a national level competition.Question is from Calorific Value of Fuels topic in portion Steam Power Plant of Energy Engineering |
Answer» Correct answer is (a) 25% |
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219. |
What is the factor on which, difference between the two heating values of fuel depends on?(a) Physical properties(b) Reactants(c) Chemical composition(d) ProductsThis question was addressed to me in an internship interview.I'm obligated to ask this question of Calorific Value of Fuels in section Steam Power Plant of Energy Engineering |
Answer» Right answer is (c) CHEMICAL composition |
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220. |
Why is air pre-heater used in the boiler?(a) To draw in the atmospheric air(b) To increase thermal efficiency(c) To heat the air to superheated level(d) To heat the air in advanceThis question was posed to me in an interview for internship.I need to ask this question from Feed Water and Steam Generation System, Working of Thermal Power Plant topic in portion Steam Power Plant of Energy Engineering |
Answer» Right option is (b) To increase THERMAL efficiency |
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221. |
What type of gear mechanism is provided to rotate the turbine generator shaft?(a) Mutilated gear mechanism(b) Ratchet gear mechanism(c) Barring gear mechanism(d) Planetary gear mechanismI have been asked this question in an internship interview.This interesting question is from Types of Fuels in portion Steam Power Plant of Energy Engineering |
Answer» Correct answer is (c) BARRING gear MECHANISM |
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222. |
Which of the following ash is suitable for selling?(a) Bed ash(b) Synthetic gypsum(c) Fly ash(d) ClinkersThis question was posed to me in homework.Asked question is from Cool and Ash Handling System topic in chapter Steam Power Plant of Energy Engineering |
Answer» Right option is (c) Fly ash |
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223. |
Which medium is used to carry ash in hydraulic system?(a) Air(b) Water(c) Steam(d) ConveyorThe question was asked in unit test.The above asked question is from Cool and Ash Handling System in chapter Steam Power Plant of Energy Engineering |
Answer» Right choice is (b) WATER |
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224. |
Which system is noisy out of all the following ash handling systems?(a) Steam jet ash handling system(b) Mechanical ash handling system(c) Pneumatic ash handling system(d) Hydraulic ash handling systemI have been asked this question in final exam.The above asked question is from Cool and Ash Handling System in division Steam Power Plant of Energy Engineering |
Answer» Correct option is (c) Pneumatic ash handling system |
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225. |
S + O2 => ______(a) SO3(b) SO2(c) S^2-(d) 2SO2I got this question in an interview for internship.The query is from Combustion of Fuels in chapter Steam Power Plant of Energy Engineering |
Answer» The CORRECT choice is (b) SO2 |
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226. |
Which of the fuels give enormous amount of energy?(a) Gaseous(b) Solid(c) Liquid(d) NuclearThis question was addressed to me in final exam.This interesting question is from Gaseous Fuels & Nuclear Fuels in section Steam Power Plant of Energy Engineering |
Answer» Right choice is (d) Nuclear |
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227. |
Which is the correct advantage of solid fuels out of the given option?(a) They have low ignition temperature(b) They produce small amount of smoke(c) They have higher calorific value(d) They do not form any clinkerI had been asked this question during an interview.My doubt stems from Artificial Solid Fuels & Liquid Fuels in section Steam Power Plant of Energy Engineering |
Answer» Right answer is (a) They have low ignition temperature |
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228. |
Which gas cooling is used in large generator units of steam plant?(a) Sulfur dioxide(b) Hydrogen(c) Carbon dioxide(d) NitrogenI had been asked this question by my school principal while I was bunking the class.This interesting question is from Types of Fuels topic in section Steam Power Plant of Energy Engineering |
Answer» The correct answer is (b) Hydrogen |
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229. |
What is the alternative cooling method for the thermal plant?(a) Wet cooling(b) Evaporation cooling(c) Dry cooling(d) Central air dampingI got this question by my school teacher while I was bunking the class.My question is based upon Cooling Water System, Air & Fuel Gas System in chapter Steam Power Plant of Energy Engineering |
Answer» Right CHOICE is (c) Dry COOLING |
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230. |
What type of system is it when the cooling tower is preferred?(a) Closed system(b) Open system(c) Closed loop system(d) Open loop systemThis question was posed to me in an interview for job.The doubt is from Cooling Water System, Air & Fuel Gas System topic in section Steam Power Plant of Energy Engineering |
Answer» Correct option is (a) Closed SYSTEM |
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231. |
Which medium is used to carry ash in the pneumatic ash handling system?(a) Conveyor belt(b) Water trough(c) Air(d) Chain beltI had been asked this question by my college director while I was bunking the class.This is a very interesting question from Cool and Ash Handling System in section Steam Power Plant of Energy Engineering |
Answer» The correct option is (c) Air |
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232. |
Road transportation of coal is preferred for what type of usage?(a) Small capacity plant(b) Medium capacity plant(c) Large capacity plant(d) Domestic usage areasThe question was asked in an online quiz.I'm obligated to ask this question of Necessity of a Steam Plant topic in chapter Steam Power Plant of Energy Engineering |
Answer» The correct option is (a) Small capacity PLANT |
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233. |
Total power generated is usually contributed by power generated through ____________(a) Hydel power plant, Thermal power plant and solar plant(b) Ocean thermal energy, Wind energy and Hydel power plant(c) Hydel power plant, Geo-thermal plant and Nuclear power plant(d) Hydel power plant, Thermal power plant and nuclear power plantI got this question in exam.This intriguing question originated from Necessity of a Steam Plant in division Steam Power Plant of Energy Engineering |
Answer» The correct answer is (d) Hydel power plant, THERMAL power plant and nuclear power plant |
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234. |
H2 + O2 => _____(a) H2O(b) OH(c) H3O(d) 2H2OI have been asked this question by my college professor while I was bunking the class.Query is from Combustion of Fuels topic in section Steam Power Plant of Energy Engineering |
Answer» Right choice is (d) 2H2O |
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235. |
C + O2 => _______(a) CO(b) 2CO2(c) 2CO(d) CO3I had been asked this question by my school principal while I was bunking the class.Question is taken from Combustion of Fuels topic in division Steam Power Plant of Energy Engineering |
Answer» Right answer is (c) 2CO |
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236. |
What is the advantage of condensing the steam?(a) To cool down the steam(b) To discharge the same amount of feed water taken(c) Reduces the amount of pollution(d) Reduces the amount of fresh feed waterThe question was posed to me in quiz.I want to ask this question from Feed Water and Steam Generation System, Working of Thermal Power Plant in division Steam Power Plant of Energy Engineering |
Answer» The CORRECT option is (d) Reduces the amount of fresh feed water |
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237. |
Chemicals are added in the feed water.(a) True(b) FalseI got this question in my homework.Query is from Feed Water and Steam Generation System, Working of Thermal Power Plant in chapter Steam Power Plant of Energy Engineering |
Answer» Correct choice is (a) True |
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238. |
How is water pumped into condenser tubes in the steam power plant?(a) Water clarifier plant(b) Draught systems(c) Hydraulic capacity electric motor pump(d) Drawing through waterI had been asked this question in an interview for job.My doubt stems from Cooling Water System, Air & Fuel Gas System topic in division Steam Power Plant of Energy Engineering |
Answer» The correct ANSWER is (a) WATER clarifier plant |
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239. |
What material is used in pipe linings for linking of steam jet system?(a) Nickel alloy(b) Graphite(c) Titanium(d) Copper alloyI had been asked this question during an internship interview.I'm obligated to ask this question of Cool and Ash Handling System in chapter Steam Power Plant of Energy Engineering |
Answer» The CORRECT option is (a) Nickel alloy |
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240. |
What is the advantage of using flue gas inside a boiler?(a) Heats up boiler water tube quickly(b) Reduces the amount of amount of exhaust(c) Speeds of the process of boiler(d) Reduces the green house of effectI got this question in final exam.This intriguing question comes from Cooling Water System, Air & Fuel Gas System topic in section Steam Power Plant of Energy Engineering |
Answer» | |
241. |
Which of the following ash handling system is not flexible to re-locate/re-place its discharging site?(a) Steam jet ash handling system(b) Mechanical ash handling system(c) Hydraulic ash handling system(d) Pneumatic ash handling systemI got this question during an interview for a job.Origin of the question is Cool and Ash Handling System topic in section Steam Power Plant of Energy Engineering |
Answer» Correct option is (c) Hydraulic ASH handling system |
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242. |
What is the capacity of low pressure hydraulic ash handling system?(a) 80 tonnes/hour(b) 22 tonnes/hour(c) 50 tonnes/hour(d) 10 tonnes/hourThis question was addressed to me in an international level competition.I would like to ask this question from Cool and Ash Handling System in division Steam Power Plant of Energy Engineering |
Answer» Correct answer is (c) 50 tonnes/hour |
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243. |
Large amount of coal is transported by ________(a) railway(b) sea or river ways(c) road transportation(d) by airliftingThis question was addressed to me by my school principal while I was bunking the class.Origin of the question is Cool and Ash Handling System in division Steam Power Plant of Energy Engineering |
Answer» Correct option is (a) railway |
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244. |
What is the primary objective of a steam power plant?(a) To convert one form of energy into another form(b) To produce electricity(c) To provide employment(d) To serve as a base load plant to hydel plant or nuclear plantI got this question in final exam.Enquiry is from Necessity of a Steam Plant in section Steam Power Plant of Energy Engineering |
Answer» Correct option is (b) To produce electricity |
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245. |
What is necessary for complete combustion of fuels?(a) There should be no water content in the fuel(b) Sufficient amount of air is required(c) High quantity of fuel(d) Open space to burn easilyThe question was asked in quiz.Question is taken from Combustion of Fuels in chapter Steam Power Plant of Energy Engineering |
Answer» CORRECT choice is (b) Sufficient amount of air is required Easy explanation: For complete COMBUSTION of fuels, it is NECESSARY to supply sufficient amount of air. If air supplied is not sufficient then combustion will be incomplete. This means carbon in the fuel burns to produce carbon MONOXIDE (CO) instead of carbon dioxide (CO2), and thus reducing the amount of OXYGEN required and amount of heat generated. |
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246. |
What gaseous Fuel is obtained by passing steam over candescent coke?(a) Producer gas(b) Water gas(c) Coal gas(d) Coke over gasI had been asked this question during an internship interview.I'd like to ask this question from Gaseous Fuels & Nuclear Fuels in section Steam Power Plant of Energy Engineering |
Answer» The correct OPTION is (B) Water gas |
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247. |
Which liquid fuel has a wider composition than diesel and used in furnaces of oil fired boiler?(a) Fuel oil(b) Petrol(c) Distillate(d) AlcoholThe question was asked in unit test.I'd like to ask this question from Artificial Solid Fuels & Liquid Fuels in portion Steam Power Plant of Energy Engineering |
Answer» CORRECT option is (a) Fuel oil To explain: Fuel oil is similar to diesel but has wider composition than diesel. It is used in furnaces of oil fired BOILERS. Broadly speaking, fuel oil is any liquid fuel that is burned in furnace or boiler for the generation of power, except oil is having a FLASH point of approximately 42^oC and oils burned in cotton or wool-wick BURNERS. |
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248. |
What type of steam is produced in the steam boiler?(a) Low pressure steam(b) High pressure steam(c) Saturated steam(d) Unsaturated steamThis question was posed to me at a job interview.The question is from Feed Water and Steam Generation System, Working of Thermal Power Plant topic in chapter Steam Power Plant of Energy Engineering |
Answer» Right choice is (C) Saturated STEAM |
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249. |
What is the storage used to hold the condensed water?(a) Reservoir(b) Tarn(c) Hot well(d) BasinThe question was asked during an interview.My query is from Feed Water and Steam Generation System, Working of Thermal Power Plant in division Steam Power Plant of Energy Engineering |
Answer» Right option is (c) Hot well |
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250. |
What is the role of breaker house in coal feeding?(a) To break the coal into smaller pieces(b) To separate different sizes of coal(c) To separate the light dust from the coal(d) To powder the coalThe question was posed to me in examination.Question is taken from Cool and Ash Handling System in chapter Steam Power Plant of Energy Engineering |
Answer» The correct choice is (C) To SEPARATE the light dust from the coal |
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