PRACTICE EXAM 1 LATEST EDITION
2025-2026. UPDATED ACTUAL EXAM
QUESTIONS & CORRECT ANSWERS.
GRADED A
A 50 m^3 vessel contains a mixture of 80% water and 10 m^3 of water
vapor. If the internal pressure of the vessel reads 100 kPa, what is the
internal energy of the system?
A) 4,060,000 kJ
B) 4,000,000 kJ
C) 60,000 kJ
D) 3,940,000 kJ - ANSChoice A
A 500 kilogram shipping container is raised from 300 meters. If the cable
weights 5 kilograms per meter of length, what is the approximate work
done?
A.) 5,886 kN
B.) 2,210 kN
C.) 1,472 kN
D.) 3,680 kN - ANSChoice D is the closest
Cable needs to be changed into a point load at the midpoint of 150 meter
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, A copper ball that is 1.5 m in diameter has a temperature of 100C. The
environment is at 0C. If the emissivity of copper is 0.15 how much power is
radiated by the copper ball?
A) 6 w
B) 5,264 W
C) 500 W
D) 1,164 W - ANSChoice D
A flange weighing 200 lbs is resting on a table. If the diameter of the flange
is 10 inches what pressure does the flange exert on the table?
A) 17.7 kPa
B) 17.7 Pa
C) 2.56 kPa
D) 2.56 Pa - ANSChoice A
A group of dog pulls a sled across a snow covered surface. It takes 35
hours to pull the 200 kg sled 100 kilometers. If the static friction is 0.4 and
the dynamic friction is 0.1 what is the average power exerted by the dog
sled team?
A) 1,067 W
B) 5,333 W
C) 3,84 kW
D) 266.8 W - ANSChoice A
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