Thermodynamics

21

One kilowatt is equal to

A. 1 N-m/s

B. 100 N-m

C. 1000 N-m/s

D. 1 x 10⁶ N-m/s

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22

The mass of carbon per kg of flue gas is given by

A. `frac(11)(3)`CO₂+`frac(3)(7)`CO

B. `frac(3)(7)`CO₂+`frac(11)(3)`CO

C. `frac(7)(3)`CO₂+`frac(3)(11)`CO

D. `frac(3)(11)`CO₂+`frac(7)(3)`CO

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A. 1.013 bar

B. 760 mm of Hg

C. 1013 x 10² N/m²

D. all of these

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24: The general gas equation is (where p = Pressure, v = Volume, m = mass, T = Absolute temperature, and R = Gas constant)

A. pv=mRT

B. pv=RT^m

C. pv^m=C

D. pv=(RT)^m

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25: The general gas energy equation is (where Q_{1 - 2} = Heat supplied, dU = Change in internal energy, and W_{1 - 2} = Work done in heat units)

A. Q_1-2=dU+W_1-2

B. Q_1-2=dU-W_1-2

C. Q_1-2=dU/W_1-2

D. Q_1-2=dUxW_1-2

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