

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.
151. |
_________ is used in high pressure hydraulic ash handling system, to quench the ash.(a) Turbines(b) Lubricants(c) Water troughs(d) Nozzle spraysI got this question by my school principal while I was bunking the class.This intriguing question comes from Cool and Ash Handling System in division Steam Power Plant of Energy Engineering |
Answer» The correct choice is (d) Nozzle sprays |
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152. |
What is the function of cyclone separators in pneumatic ash handling system?(a) To separate the lighter dust particles(b) To force up the movement of ash through pipes or tubes(c) To draw out the dust from furnace(d) To separate minute coal particlesThis question was addressed to me during an online exam.The origin of the question is Cool and Ash Handling System topic in division Steam Power Plant of Energy Engineering |
Answer» The correct answer is (a) To SEPARATE the lighter dust particles |
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153. |
When coal is being burnt how much % of ash is formed compared to the whole amount?(a) 10-20%(b) 40-50%(c) 25-35%(d) 4-10%This question was posed to me in an online interview.The query is from Cool and Ash Handling System topic in division Steam Power Plant of Energy Engineering |
Answer» The correct OPTION is (a) 10-20% |
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154. |
Why is it important to prefer ash handling systems?(a) Coal ash produced destroys the machinery by entering into them(b) Coal ash produced annually accounts for thousands of tones(c) Coal ash can be reutilized for some other purpose(d) Coal ash affects the health of people working at plantsThis question was addressed to me during an online interview.Origin of the question is Cool and Ash Handling System topic in division Steam Power Plant of Energy Engineering |
Answer» The correct ANSWER is (B) Coal ash produced ANNUALLY accounts for thousands of tones |
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155. |
Which formula is used to determine higher calorific value of fuel?(a) Rayleigh’s formula(b) Lamme’s equation(c) Dulongs’s formula(d) Cauchy’s formulaI have been asked this question in an online quiz.The query is from Calorific Value of Fuels in chapter Steam Power Plant of Energy Engineering |
Answer» | |
156. |
Which form of fuel is used as a domestic form of fuel?(a) Wood(b) Bituminous Coal(c) Dung cake(d) Anthracite coalThis question was addressed to me in examination.Question is from Types of Fuels topic in portion Steam Power Plant of Energy Engineering |
Answer» The correct choice is (a) WOOD |
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157. |
What is the significance of calorific value?(a) Helps in deciding which fuel is good(b) Helps in locating fuel(c) Helps in deciding ignition temperature(d) Helps in deciding fire pointThis question was addressed to me in my homework.I'm obligated to ask this question of Calorific Value of Fuels topic in portion Steam Power Plant of Energy Engineering |
Answer» The CORRECT ANSWER is (a) Helps in deciding which fuel is good |
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158. |
The substance which helps in combustion of fuels is called _________(a) Igniter(b) Flammables(c) Supporter(d) InflammablesI had been asked this question in an online interview.I would like to ask this question from Combustion of Fuels topic in division Steam Power Plant of Energy Engineering |
Answer» The CORRECT OPTION is (c) Supporter |
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159. |
How is flue gas discharged through the chimneys?(a) By using induced draught fan(b) By using balanced draught fan(c) By using forced draught fan(d) By using mechanical draught fanI had been asked this question during an internship interview.The origin of the question is Cooling Water System, Air & Fuel Gas System topic in portion Steam Power Plant of Energy Engineering |
Answer» Right choice is (a) By using INDUCED draught fan |
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160. |
What do you get when breeding process is carried out on 90Th^232?(a) 92U^233(b) 92U^234(c) 92U^235(d) 92U^236I have been asked this question in homework.I would like to ask this question from Gaseous Fuels & Nuclear Fuels in chapter Steam Power Plant of Energy Engineering |
Answer» RIGHT answer is (a) 92U^233 The EXPLANATION is: When breeding process is PERFORMED on 90Th^232 (Thorium) 90Th^232 + 0n^1 → 90Th^233 + γ -radiation 90Th^233 → 91Pa^233 (Protactinium) + -1e^0 (ELECTRON) 91Pa^233 → 92U^233 + -1e^0. |
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161. |
In what forms are liquid fuels available in nature?(a) Light distillate(b) Petroleum spirit(c) Petroleum naphtha(d) Crude petroleumThe question was posed to me in unit test.This interesting question is from Artificial Solid Fuels & Liquid Fuels topic in chapter Steam Power Plant of Energy Engineering |
Answer» The correct choice is (d) Crude petroleum |
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162. |
How is water dispensed over to the turbine blades?(a) Trough(b) Nozzle(c) Hose(d) PumpThe question was posed to me during an interview for a job.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» Correct answer is (b) Nozzle |
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163. |
CO + O2 => _______(a) 2CO2(b) CO2(c) CO(d) CO3I have been asked this question in quiz.Enquiry is from Combustion of Fuels in portion Steam Power Plant of Energy Engineering |
Answer» The correct CHOICE is (a) 2CO2 |
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164. |
What does steam power plant mainly use to generate steam?(a) Boiled water(b) Fresh steam(c) Flue gas(d) Condensed waterI had been asked this question in an online quiz.This intriguing question originated from Feed Water and Steam Generation System, Working of Thermal Power Plant in portion Steam Power Plant of Energy Engineering |
Answer» Right option is (c) Flue gas |
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165. |
How much amount of water does typical 1GWe plant uses for cooling per day?(a) 30 mega litre(b) 45 mega litre(c) 55 mega litre(d) 75 mega litreThe question was asked by my school principal while I was bunking the class.The origin of the question is Cooling Water System, Air & Fuel Gas System in portion Steam Power Plant of Energy Engineering |
Answer» Right answer is (d) 75 mega litre |
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166. |
What is the distance up to which steam jet ash handling system is capable of removing ashes?(a) 200m(b) 50m(c) 75m(d) 350mThe question was posed to me in final exam.I need to ask this question from Cool and Ash Handling System in chapter Steam Power Plant of Energy Engineering |
Answer» Correct OPTION is (a) 200m |
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167. |
Which gaseous fuel is found dissolved in petroleum under earth’s surface in oil and gas bearing areas?(a) Natural gas(b) Coal gas(c) Mond gas(d) Producer gasThis question was posed to me during an online exam.This is a very interesting question from Gaseous Fuels & Nuclear Fuels in portion Steam Power Plant of Energy Engineering |
Answer» | |
168. |
What is the main purpose of using an economizer in a boiler?(a) To control the process of steam conversion(b) To reduce energy consumption(c) To increase the temperature of boiler(d) To maintain a constant temperature inside a boilerI got this question during an interview.Question is taken from Feed Water and Steam Generation System, Working of Thermal Power Plant in portion Steam Power Plant of Energy Engineering |
Answer» Correct option is (a) To CONTROL the PROCESS of steam conversion |
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169. |
What is the pH value at which the boiler is alkalized?(a) 9.0(b) 5.4(c) 6.9(d) 5.7I have been asked this question in an interview.The question is from Feed Water and Steam Generation System, Working of Thermal Power Plant in portion Steam Power Plant of Energy Engineering |
Answer» Correct answer is (a) 9.0 |
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170. |
What is the purpose of chimney?(a) To provide air ventilation(b) To eliminate noise produced in the system(c) To exhaust flue gases those is induced(d) To help in to suck the air required for systemThe question was asked in an interview.Asked question is from Cooling Water System, Air & Fuel Gas System topic in section Steam Power Plant of Energy Engineering |
Answer» The correct option is (c) To exhaust flue gases those is induced |
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171. |
What type of draught fan is used to draw air from the air heater?(a) Balanced draught fan(b) Induced draught fan(c) Forced draught fan(d) Artificial draught fanI have been asked this question in homework.This question is from Cooling Water System, Air & Fuel Gas System in division Steam Power Plant of Energy Engineering |
Answer» Correct CHOICE is (c) Forced draught fan |
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172. |
How much amount of steam is required to remove 1 ton of ash from the steam jet ash handling system?(a) 100kg(b) 450kg(c) 65kg(d) 200kgI have been asked this question by my school teacher while I was bunking the class.Question is taken from Cool and Ash Handling System in chapter Steam Power Plant of Energy Engineering |
Answer» RIGHT option is (a) 100kg Best explanation: 100 kg of steam is required to remove 1 ton of ash. Since the steam let out is at very high VELOCITY, 1 ton of ash can be easily moved to compare and BALANCING to its weight ratio. And this wholesome amount of steam is generated by the BOILER present in the plant. |
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173. |
Which fuels can breed fissile uranium-233 to be used in various kinds of nuclear reactor?(a) Thorium(b) Neptunium(c) Plutonium(d) RadiumThe question was posed to me in exam.My doubt stems from Gaseous Fuels & Nuclear Fuels topic in section Steam Power Plant of Energy Engineering |
Answer» The correct answer is (a) Thorium |
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174. |
Coal crushers are also known as__________(a) Lather(b) Coal combers(c) Feeder breakers(d) Coal washerThis question was posed to me during a job interview.My question is taken from Necessity of a Steam Plant topic in chapter Steam Power Plant of Energy Engineering |
Answer» Right option is (C) Feeder breakers |
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175. |
The process of burning fuels in the presence of oxygen is called _________(a) Induction(b) Ignition(c) Condensation(d) CombustionThis question was addressed to me by my school principal while I was bunking the class.My question comes from Combustion of Fuels topic in portion Steam Power Plant of Energy Engineering |
Answer» Right option is (d) Combustion |
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176. |
Which fuel is prepared by moulding finely ground coal under pressure?(a) Coke(b) Charcoal(c) Briquette coal(d) LigniteI had been asked this question in final exam.Origin of the question is Artificial Solid Fuels & Liquid Fuels in division Steam Power Plant of Energy Engineering |
Answer» Right choice is (C) Briquette coal |
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177. |
Which gaseous fuel is produced by passing air and steam over waste coal?(a) Blast furnace gas(b) Coal gas(c) Mond gas(d) Coke oven gasI got this question during an online exam.This intriguing question originated from Gaseous Fuels & Nuclear Fuels in section Steam Power Plant of Energy Engineering |
Answer» The correct choice is (c) Mond gas |
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178. |
Which fuel is prepared by heating bituminous coal continuously for 15 to 18 hours in closed chamber?(a) Charcoal(b) Anthracite(c) Coke(d) Briquette coalI had been asked this question in semester exam.This is a very interesting question from Artificial Solid Fuels & Liquid Fuels in section Steam Power Plant of Energy Engineering |
Answer» Right choice is (c) Coke |
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179. |
What is the main purpose of demineralization treatment plant?(a) To remove deposits made on tube(b) To reduce scaling on tube(c) To remove salts(d) To filter the boiler waterI had been asked this question by my school teacher while I was bunking the class.My question is from Types of Fuels in division Steam Power Plant of Energy Engineering |
Answer» Right answer is (c) To remove salts |
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180. |
What is amount of minimum air required per kg of liquid fuel for complete combustion using carbon, oxygen, hydrogen and sulfur?(a) 1/23 [8/3 C + 8(H – (O/8)) + S](b) 1/100 [8/3 C + 8(H – (O/8)) + S](c) 1/100 [8/3 C + 8(H – (0/8))](d) 1/23 [8/3 C + 8(H – (0/8))]The question was asked in a job interview.My question is taken from Calorific Value of Fuels topic in chapter Steam Power Plant of Energy Engineering |
Answer» Right answer is (a) 1/23 [8/3 C + 8(H – (O/8)) + S] |
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181. |
In what form is the coal used in boiler?(a) Big chunks.(b) Medium size crushed(c) Powder form(d) Mixed with fluidI got this question during an interview for a job.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 answer is (c) Powder FORM |
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182. |
In hydraulic ash handling system, large quantities of leachate under a positive pressure head in pond pose a constant threat to ________(a) cause pungent smell(b) the livelihood(c) ground water quality(d) the nearby floraI have been asked this question in my homework.My doubt stems from Cool and Ash Handling System in division Steam Power Plant of Energy Engineering |
Answer» Right CHOICE is (b) the livelihood |
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183. |
The amount of heat liberated by complete combustion of unit quantity of fuel is known as ________(a) Agitation(b) Combustion(c) Calorific value(d) ThermogenesisThis question was addressed to me in an interview.Origin of the question is Calorific Value of Fuels topic in division Steam Power Plant of Energy Engineering |
Answer» Right choice is (c) Calorific value |
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184. |
What accounts for the presence of water in the exhaust leaving as vapor?(a) Gross calorific value(b) Flash point value(c) Ignition temperature value(d) Net calorific valueThis question was posed to me during a job interview.Question is taken from Calorific Value of Fuels in section Steam Power Plant of Energy Engineering |
Answer» Correct OPTION is (a) Gross CALORIFIC VALUE |
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185. |
How is the amount of cooling required by the steam power plant determined?(a) By the capacity of plant(b) By the amount of exhausted gas(c) By its thermal efficiency(d) By the type of fuel used (coal or uranium)I got this question in an online interview.Query is from Cooling Water System, Air & Fuel Gas System topic in division Steam Power Plant of Energy Engineering |
Answer» Correct choice is (c) By its thermal efficiency |
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186. |
Which fuel is commonly available in both caking and Non-caking forms?(a) Lignite(b) Bituminous coal(c) Peat(d) AnthraciteI have been asked this question in exam.My enquiry is from Types of Fuels topic in chapter Steam Power Plant of Energy Engineering |
Answer» The CORRECT CHOICE is (b) Bituminous coal |
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187. |
How can we achieve high thermal efficiency in a power plant?(a) Drawing high output with limited input(b) Decreasing the working temperature(c) Increasing the working temperature(d) Maintain large temperature differentialThe question was posed to me during an online interview.The origin of the question is Cooling Water System, Air & Fuel Gas System in portion Steam Power Plant of Energy Engineering |
Answer» The CORRECT answer is (d) Maintain large temperature DIFFERENTIAL |
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188. |
What is the capacity of the steam jet ash handling system?(a) 45tonnes/hour(b) 15tonnes/hour(c) 30tonnes/hour(d) 150tonnes/hourThe question was asked in class test.This intriguing question originated from Cool and Ash Handling System topic in portion Steam Power Plant of Energy Engineering |
Answer» Right choice is (B) 15tonnes/hour |
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189. |
Which ash handling system can be built up in limited space?(a) Mechanical ash handling system(b) Pneumatic ash handling system(c) Hydraulic ash handling system(d) Steam jet ash handling systemI had been asked this question by my school teacher while I was bunking the class.This question is from Cool and Ash Handling System in section Steam Power Plant of Energy Engineering |
Answer» The CORRECT option is (d) Steam jet ash handling system |
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190. |
The coal is fed to the furnace through _________(a) conveyor belt(b) wagon tipper(c) hopper(d) craneI had been asked this question in an internship interview.I want to ask this question from Cool and Ash Handling System in section Steam Power Plant of Energy Engineering |
Answer» Correct choice is (c) hopper |
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191. |
Based on what basis are fuels compared?(a) Fire point value(b) High calorific value(c) Flash point value(d) Low calorific valueI got this question during an interview for a job.Asked question is from Calorific Value of Fuels in chapter Steam Power Plant of Energy Engineering |
Answer» RIGHT option is (d) Low CALORIFIC value To explain: On basis of low calorific value the FUELS are compared. Low calorific value is the amount of heat EVOLVED when a unit WEIGHT of fuel is completely burnt and water vapor leaves with combustion products. |
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192. |
C + O2 →_____(a) CO(b) CO2(c) CO3(d) 2COI got this question by my school teacher while I was bunking the class.The query is from Combustion of Fuels in portion Steam Power Plant of Energy Engineering |
Answer» The correct option is (b) CO2 |
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193. |
The minimum temperature at which a substance begins to burn is called ________(a) Fire point temperature(b) Auto ignition(c) Ignition temperature(d) Flash point temperatureThis question was posed to me in examination.The origin of the question is Combustion of Fuels in chapter Steam Power Plant of Energy Engineering |
Answer» Correct answer is (c) Ignition temperature |
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194. |
Which gaseous fuel is obtained by partial combustion of coke?(a) Coke oven gas(b) Producer gas(c) Coal gas(d) Blast furnace gasThis question was posed to me in a national level competition.I would like to ask this question from Gaseous Fuels & Nuclear Fuels topic in section Steam Power Plant of Energy Engineering |
Answer» Correct option is (b) Producer gas |
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195. |
Which gaseous fuel is obtained by carbonization of bituminous coal?(a) Blast furnace gas(b) Coal gas(c) Producer gas(d) Coke oven gasI had been asked this question during an interview for a job.This key question is from Gaseous Fuels & Nuclear Fuels topic in chapter Steam Power Plant of Energy Engineering |
Answer» | |
196. |
Fuels are classified as primary and secondary fuel based on the __________(a) Capacity to burn(b) Availability(c) State(d) OccurrenceThe question was posed to me in an online quiz.The question is from Types of Fuels in division Steam Power Plant of Energy Engineering |
Answer» Right option is (d) Occurrence |
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197. |
Which fuel is called secondary stage in the formation of coal?(a) Lignite(b) Bituminous coal(c) Peat(d) AnthraciteI had been asked this question in an online interview.Origin of the question is Types of Fuels topic in section Steam Power Plant of Energy Engineering |
Answer» Correct option is (a) Lignite |
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198. |
What type of system is it, when the water is directly is used to condense the steam?(a) Closed system(b) Open system(c) Closed loop system(d) Open loop systemI got this question in an internship interview.I need to ask this question from Cooling Water System, Air & Fuel Gas System topic in division Steam Power Plant of Energy Engineering |
Answer» | |
199. |
In what form does the total ash produced in the furnace escapes through the chimney?(a) Fines(b) Aerosols(c) Gas(d) CinderThis question was posed to me during an internship interview.My question is taken from Cool and Ash Handling System in chapter Steam Power Plant of Energy Engineering |
Answer» Right ANSWER is (a) Fines |
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200. |
What would be the amount of distance that a low pressure system could carry the ash?(a) 25m(b) 500m(c) 150m(d) 800mI have been asked this question during an online exam.Question is from Cool and Ash Handling System topic in chapter Steam Power Plant of Energy Engineering |
Answer» The correct choice is (b) 500m |
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