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Engine Operational
← GATE CH 2020 (with Solutions).pdf

Q34

PASSNATpage 14holdUNREVIEWED
type=NAT · page=14 · marks=1 · content_conf=0.7999999999999999 · math_conf=0.79

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file: GATE CH 2020 (with Solutions).pdf
pages: 14–14

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Extracted34 / 67

ConsidertwocarnotenginesC1andC2asshowninthefigure.ReservoirR1C1ReservoirR2C2Consider two carnot engines C_1 andC_2 as shown in the figure. Reservoir R1 C 1 Reservoir R2 C 2
ReservoirR3/are0.40and0
..

Options

none

Answer

312

Solution

T3=?T_3 = ?
n1=1−/fracT2T1n_1 = 1-/frac{T_2}{T_1}
0.4=1−/fracT28000.4 = 1-/frac{T_2}{800}
..
⇒n2=1−/fracT3T2⇒n_2 = 1-/frac{T_3}{T_2}
0.35=1−/fracT34/theta00.35 = 1-/frac{T_3}{4/theta{}_0}
⇒0.65=/fracT3480⇒0.65 = /frac{T_3}{480}
⇒T3=312K⇒T_3 = 312K
Hence, the correct answer is 312.

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Source PDF: GATE CH 2020 (with Solutions).pdf
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