Fall AY21 Flashcards
(6 cards)
1
Q
A closed thermodynamic system is undergoing a thermodynamic process
A
The combined change in entropy of the system and surroundings can’t be <0
2
Q
A closed thermodynamic system is undergoing a thermodynamic process
A
The combined change in energy of the system and surroundings is 0
3
Q
An OTTO Cycle engine relies on __ to ignite the fuel
A
Spark ignition
4
Q
At the end of the compression stroke, ignition will occur in a DIESEL cycle engine if…
A
The air temp. is above the auto ignition temp. of the fuel
5
Q
What is the minimum amount of information needed to find the enthalpy of SUPERHEATED steam?
A
Pressure and temperature
6
Q
What does it mean if the wet bulb temperature approaches the dry bulb temp?
A
High humidity