ME8792 - Power Plant Engineering - Unit-2 Two marks

Subject Name: Power Plant Engineering

Subject Code: ME8792

B.E. EEE/EIE/ICE Dept - semester 04

Anna University Regulation 2017 B.E. EEE Dept 3rd semester & B.E. Mech Dept 7th semester ME8792(Power Plant Engineering) 2 marks for 2nd unit is provided below. ME8792 all units 2 marks, Power Plant Engineering all units notes & syllabus are listed down for students to utilize it for scoring maximum marks with our study materials.

1.What is a thermodynamic cycle?

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2.Why is Carnot cycle not used in real applications?

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3.What is an air-standard cycle? Why such cycles are conceived?

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4.Name the various "gas power cycles".

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5.What are the assumptions made for air standard cycle analysis?

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6.Mention the various processes of Otto cycle.

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7.Mention the four thermodynamic processes involved in Diesel Cycle.

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8.Mention the various processes of dual cycle.

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9.Define mean effective pressure. What is its importance in reciprocating engines?

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10.Define air standard efficiency od Diesel cycle.

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11.What is compression ratio?

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12.How does the change in compression ratio affect air standard efficiency of an ideal otto cycle?

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13.Define cut-off ratio.

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14.Define expansion ratio.

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15.Which cycle is more efficient with respect to the same compression ratio?

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16.Name the factors that affect air standard efficiency of Diesel cycle.

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17.What is the effect of cut-off ratio on the efficiency of Diesel cycle when the compression ratio is kept constant?

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18.Write any four major differences between Otto and Diesel cycles. (or) differentiate between Otto and Diesel cycles.

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19.Define the terms actual thermal efficiency and relative efficiency.

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20.List down the various processes of the Brayton cycle.

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21.What is meant by Atkinson cycle?

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22.Mention a few characteristics of Diesel power plant.

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23.Under what circumstance will you recommend Diesel power plants?

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24.What are the components present in the Diesel electric power plants?

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25.What are the applications of Diesel power plant?

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26.Name the various types of Diesel engine used for Diesel power plant

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27.What are the different types of engines used in power generation? State their application domain.

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28.How is solid injection system classified?

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29.What are the methods of cooling in a Diesel engine power plant?

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30.What are the methods of starting systems in large and medium size engines?

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31.What are the functions of lubrication system?

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32.What are the different types of lubrication system in a diesel power plant.

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33.What are the methods of cooling the engine?

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34.What are equipment of a diesel engine power plant?

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35.What are the methods used for starting a diesel engine?

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36.Mention the advantages of diesel engine power plant.

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37.What are the applications ef diesel engine power plants?

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38.What is the basic difference between a diesel engine and a steam turbine?

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39.Why is the maximum cycle temperature of gas turbine plant much lower than that of diesel power plant?

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40.How gas turbine power plants are classified?

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41.State the fuels used in the gas turbine power plants.

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42.What do you understand by a closed cycle gas turbine power plant?

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43.What are the main units in a gas tarbine power plant?

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44.What is the difference between open cycle and closed cycle gas turbine plant?

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45.Is it always useful to have a regenerator in a gas turbine power cycle? Why?

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46.Why power generation by gas turbines in attractive these days?

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47.List the various factors which influence the performance of pas turbine.

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48.What are all modifications are carried out in Brayton cycle? Why?

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49.Why the gas turbine plants are generally designed for optimum pressure ratio for maximum specific work output?

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50.In case of regenerative cycle, what are the factors affecting thermal efficiency of the cycle?

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51.What are the methods by which thermal efficiency of a gas turbine power plant be improved?

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52.What is intercooling and why it is done?

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53.What are the effects of introducing regeneration in the basic gas turbine cycle?

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54.When will the intercooler be provided between two compressors?

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55.What are the effects of providing the intercooler in the gas turbine cycle?

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56.When is the reheater employed in the gas turbine cycle?

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57.What is the condition for maximum work in the case of reheater employed in the gas turbine cycle?

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58.What are the effects of reheat cycle?

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59.What is reheating and regeneration of gas turbine?

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60.What is meant by regeneration?

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61.What do you mean by regeneration in gas turbine power plant?

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62.How does regeneration improve the thermal efficiency of gas turbine cycle?

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63.State the merits and demerits of closed cycle gas turbine over open cycle gas turbine power plant.

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64.How the gos turbine blades are cooled?

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65.What are the applications of gas turbine plant?

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66.What is the principle of operation of simple jet propulsion system?

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67.Mention any two drawbacks of a stationary gas turbine power plant for generation of electricity.

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68.What are the pollutants present in the gas turbine exhaust?

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69.What is meant by combined cycle power plant?

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70.List out the inherent advantages of the combined power cycle.

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71.What is meant by IGCC?

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72.What are the advantages of IGCC?

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