#### 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

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

23

The standard value of atmospheric pressure taken at sea level is

A. 1.013 bar
B. 760 mm of Hg
C. 1013 x 102 N/m2
D. all of these

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=RTm
C. pvm=C
D. pv=(RT)m

25

The general gas energy equation is (where Q1 - 2 = Heat supplied, dU = Change in internal energy, and W1 - 2 = Work done in heat units)

A. Q1-2=dU+W1-2
B. Q1-2=dU-W1-2
C. Q1-2=dU/W1-2
D. Q1-2=dUxW1-2