same cooling media femperature.I condensatlon pressure elect one: . fresh water is used to cool the condenser direct air cooled condenser is used surface condenser is used .wet cooling tower is used to cool the condenser Relative efficiency of gas turbines and combined-cycle plants as a function of the air temperature have ifferent behavior if used..

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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1) For same cooling media temperature. If_
highest condensation pressure is obtained.
Select one:
a. fresh water is used to cool the condenser
b. direct air cooled condenser is used
C. surface condenser is used
d. wet cooling tower is used to cool the condenser
2) Relative efficiency of gas turbines and combined-cycle plants as a function of the air temperature have
different behavior if used.
a. air cooled condenser
b. wet cooling tower
c. fresh water as coolant
3) For combined cycle, which statement is incorrect
Select one:
a. Increasing the live steam temperature improves the thermodynamics of the cycle
b. Increasing the live steam temperature increases the steam process efficiency.
c. Increasing the live steam temperature reduces the rate of waste heat energy.
d. Increasing the live steam temperature reduces wetness in the low pressure turbine section.
4) at air is accelerated by the blades due to high rotational speeds of the rotor and forced radially out of
the rotor at high velocities.
Select one:
a. centrifugal compressor
b.centrifugal turbine
c. impulse turbine
d. impulse compressor
Transcribed Image Text:1) For same cooling media temperature. If_ highest condensation pressure is obtained. Select one: a. fresh water is used to cool the condenser b. direct air cooled condenser is used C. surface condenser is used d. wet cooling tower is used to cool the condenser 2) Relative efficiency of gas turbines and combined-cycle plants as a function of the air temperature have different behavior if used. a. air cooled condenser b. wet cooling tower c. fresh water as coolant 3) For combined cycle, which statement is incorrect Select one: a. Increasing the live steam temperature improves the thermodynamics of the cycle b. Increasing the live steam temperature increases the steam process efficiency. c. Increasing the live steam temperature reduces the rate of waste heat energy. d. Increasing the live steam temperature reduces wetness in the low pressure turbine section. 4) at air is accelerated by the blades due to high rotational speeds of the rotor and forced radially out of the rotor at high velocities. Select one: a. centrifugal compressor b.centrifugal turbine c. impulse turbine d. impulse compressor
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