Study Set Content:
241. A substance temperature was 620°R. What is the temperature in °C?
A. 50.7 B. 45.54 C. 71.11 D. 91.44
C. 71.11
242. An unknown volume of container gas of 1 atmosphere is allowed to expand to another
container of 10 m3
volume at 500 mmHg at constant temperature. Find the unknown volume.
A. 6.58 m3
B. 6.75 m3
C. 5.67 m3
D. 7.65 m3
A. 6.58 m3
243. An iron block weighs 5 Newton and has a volume of 200 cm3
. What is the density of the
block?
A. 2458 kg/m3
B. 2485 kg/m3
C. 2584 kg/m3
D. 2549 kg/m3
D. 2549 kg/m3
244. If air is at a pressure of 22.22 psia and at a temperature of 800°R, what is the specific
volume?
A. 11.3 ft3
/lbm B. 33.1 ft3
/lbm
C. 13.3 ft3
/lbm D. 31.3 ft3
/lbm
C. 13.3 ft3
245. The Specific gravity of mercury is 13.55. What is the specific weight of mercury?
A. 123.9 kN/m3
B. 139.2 kN/m3
C. 132.9 kN/m3
D. 193.2 kN/m3
C. 132.9 kN/m3
246. The equivalent weight of mass 10 kg at a location where the acceleration of gravity is 9.77
m/s
2
?
A. 97.7 N B. 79.7 N C. 77.9 N D. 977 N
A. 97.7 N
247. A transportation company specializes in the shipment of pressurized gaseous materials. An
order is received from 100 liters of a particular gas at STP (32°F and 1 atm). What minimum
volume tank is necessary to transport the gas at 80°F and maximum pressure of 8 atm?
A. 16 liters B. 14 liters C. 10 liters D. 12 liters
B. 14 liters
248. 100 g of water are mixed with 150 g of alcohol (density = 790 kg/m3
). What is the specific
volume of the resulting mixtures, assuming that the fluids mixed completely?
A. 0.82 x 10-3 m
3
/kg B. 0.88 x 10-3 m
3
/kg C. 0.63 x 10-3 m
3
/kg D. 1.16 x 10-3 m
3
/kg
D. 1.16 x 10-³ m ³/kg
249. How much does 30 lbm weigh on the moon? (gmoon = 5.47 ft/s2
).
A. 2.0 lbf B. 3.2 lbf C. 3.4 lbf D. 5.096 lbf
D. 5.096 lbf
250. A 10 kg block is raised vertically 3 meters. What is the change in potential energy?
A. 320 J B. 350 km-m
2
/s2
C. 294 J D. 350 N-m
. 294 J
251. How many cubic meters is 100 gallons of liquid?
A. 3.7850 m3
B. 0.1638 m3
C. 0.3785 m3
D. 1.638 m3
A. 3.7850 m3
252. Steam turbine is receiving 1014 lbm/hr of steam, determine the horsepower output of the
turbine if the work done by steam is 251 Btu/lbm.
A. 100 hp B. 462.7 hp C. 200 hp D. 600 hp
A. 100 hp
253. What is the resulting pressure when one pound of air at 15 psia and 200°F is heated at
constant volume to 800°F?
A. 32.1 psia B. 15 psia
C. 28.6 psia D. 36.4 psia
C. 28.6 psia
254. A bicycle tire has a volume of 600 cm3
. It is inflated with carbon dioxide to pressure of
551.43 kPa, 20°C. How many grams of CO2 are contained in the tire? RCO2 = 0.18896 kJ/kg.K.
A. 5.98 g B. 6.43 g C. 4.63 g D. 3.83 g
A. 5.98
255. The absolute pressure at the bottom of a vertical column of water is 15.5 psia. What is the
height of this column?
A. 22 in B. 9.2 in C. 12 in D. 9.8 in
A. 22 in
256. A water temperature rise of 18°F in the water cooled condenser is equivalent to what in
°C?
A. 7.78°C B. 10°C C. 263.56 K D. -9.44°C
. 10°C
257. An oil storage tank contains oil with specific gravity of 0.88 and depth of 20 meters. What
is the hydrostatic pressure at the bottom of the tank in kg/cm2
?
A. 1.67 B. 1.76 C. 1.56 D. 1.87
B. 1.76
258. A vertical column of water will be supported to what height by standard atmospheric
pressure?
A. 34 ft B. 36 ft C. 24 ft D. 26 ft
. 34 ft
259. The specific weight of liquid is 60 lb/ft3
. What is the equivalent to kN/m3
?
A. 9.334 B. 9.249 C. 9.643 D. 9.420
D. 9.420
260. A cylinder weighs 150 lbf
. Its cross-sectional area is 40 square inches. When the cylinder
stands vertically on one end, what pressure does the cylinder exert on the floor?
A. 14.1 kPa B. 58.2 kPa
C. 0.258 bar D. 0.141 bar
C. 0.258 bar
