MEGR 3111 R.VRIKKIS CONCEPTUAL
TEST EXAM QUESTIONS WITH 100%
CORRECT ANSWERS LATEST VERSION
2025/2026.
T/F: The specific volume is the reciprocal of the density. - ANS True
T/F: A closed system always contains the same matter; there is no transfer of matter across its
boundary. - ANS True
T/F: A control volume is a special type of closed system that does not interact in any way with its
surroundings. - ANS False
Y/N: In this class, would it be appropriate to use the ideal gas law with a substance with a
reduced temperature
of 1, a reduced pressure of 0.25? - ANS Yes
A process that involves no heat transfer is referred to as:
a. Isothermal
b. Isobaric
c. Isentropic
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, d. Adiabatic
e. Isenthalpic - ANS d. Adiabatic
In what ways can energy be transferred to a closed system?
a. Internal energy and velocity
b. Internal energy, kinetic energy, and potential energy
c. Heat, work, and mass flow
d. Heat and work
e. None of the above - ANS d. Heat and work
The specific heat ratio, k, of an ideal gas must be:
a. Greater than one
b. Less than one
c. Whether or not it is greater or lesser than one depends on the gas - ANS a. Greater than
one
Y/N: If you were given the temperature and specific volume of a two-phase liquid-vapor mixture
of water, could
the quality be determined? - ANS Yes
Which device below handles a liquid and requires a work input, usually with negligible heat
transfer and negligible changes in kinetic and potential
energy?
a. Nozzle
b. Turbine
c. Compressor
d. Pump
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
TEST EXAM QUESTIONS WITH 100%
CORRECT ANSWERS LATEST VERSION
2025/2026.
T/F: The specific volume is the reciprocal of the density. - ANS True
T/F: A closed system always contains the same matter; there is no transfer of matter across its
boundary. - ANS True
T/F: A control volume is a special type of closed system that does not interact in any way with its
surroundings. - ANS False
Y/N: In this class, would it be appropriate to use the ideal gas law with a substance with a
reduced temperature
of 1, a reduced pressure of 0.25? - ANS Yes
A process that involves no heat transfer is referred to as:
a. Isothermal
b. Isobaric
c. Isentropic
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, d. Adiabatic
e. Isenthalpic - ANS d. Adiabatic
In what ways can energy be transferred to a closed system?
a. Internal energy and velocity
b. Internal energy, kinetic energy, and potential energy
c. Heat, work, and mass flow
d. Heat and work
e. None of the above - ANS d. Heat and work
The specific heat ratio, k, of an ideal gas must be:
a. Greater than one
b. Less than one
c. Whether or not it is greater or lesser than one depends on the gas - ANS a. Greater than
one
Y/N: If you were given the temperature and specific volume of a two-phase liquid-vapor mixture
of water, could
the quality be determined? - ANS Yes
Which device below handles a liquid and requires a work input, usually with negligible heat
transfer and negligible changes in kinetic and potential
energy?
a. Nozzle
b. Turbine
c. Compressor
d. Pump
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
