MAE 201 NCSU Test 3 Questions With Correct Answers.

MAE 201 NCSU Test 3 Questions With
Correct Answers


An internally reversible process does not generate entropy. (T/F) -
| | | | | | | | | |



CORRECT ANSWER✔✔-True |




The types of working fluid are:
| | | | |




Select one or more: | | |




a. incompressible substance
| | |




b. solid
|




c. saturated mixture
| | |




d. gas or vapor
| | |




e. compressed liquid
| | |




f. ideal gas
| | |




g. pure substance - CORRECT ANSWER✔✔-a. incompressible substance
| | | | | | |




f. ideal gas
| | |




g. pure substance
| |




The purpose of a heat pump is to remove heat from a high-temperature
| | | | | | | | | | | | |



area. (T/F) - CORRECT ANSWER✔✔-False
| | | |

, A reversible process returns the working fluid to its initial state. (T/F) -
| | | | | | | | | | | | |



CORRECT ANSWER✔✔-False |




A reversible process is an ideal process. (T/F) - CORRECT ANSWER✔✔-
| | | | | | | | | |



True


A reversible cycle returns the working fluid to its initial state.
| | | | | | | | | |




(T/F) - CORRECT ANSWER✔✔-True
| | |




A heat reservoir must be large enough such that a transfer of heat does
| | | | | | | | | | | | | |



not change its temperature. (T/F) - CORRECT ANSWER✔✔-True
| | | | | | |




The purpose of a refrigerator is to remove heat from a high-temperature
| | | | | | | | | | |



area. (T/F) - CORRECT ANSWER✔✔-False
| | | | |




The second law of thermodynamics states that processes may occur in
| | | | | | | | | | |



any direction. (T/F) - CORRECT ANSWER✔✔-False
| | | | |




Generally, an increase in the entropy of the system can be due to
| | | | | | | | | | | |




Select one or more: | | |