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ISRO 2023 Quiz 31 Revision

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Question 1

In the given series one word/one term/one number is missing. Select the correct alternative from the given ones that will complete the series.

-2, 1, 5, ?, 16

Question 2

A thermal electric power plant produces 5000 MW of power. If the coal releases 70 x 10⁵ kJ/sec of energy, then what is the rate at which heat is rejected from the power plant?

Question 3

Which of the following statements is INCORRECT regarding the effects of regeneration in Rankine cycle.

Question 4

In a steam power plant operating on Rankine cycle, superheated steam enters the turbine with enthalpy 3090 KJ/Kg and exit at condenser pressure of 20 KPa with enthalpy 2130 KJ/Kg. A pump utilizing 5 KJ/Kg of energy is used to pump feedback water. the enthalpy at the exit of the pump is 230 KJ/Kg. the heat rate of the cycle is

Question 5

Why the efficiency of superheat Rankine cycle is higher than that of simple Rankine cycle?

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ESE & GATE ME General

Dec 5ESE & GATE ME