Ace the MEP Final (Exam I): Focused Study and Practice Guide
5 factors related to comfort - correct answer ✔✔Humidity, Temperature, Circulation, Ventilation,
Filtration
T or F: Mechanical and HVAC systems are considered to be the same thing - correct answer ✔✔True
What does a pipe (or tube) fitting do? - correct answer ✔✔Connects pipes to each other
What functions can different plumbing valves perform? - correct answer ✔✔Changes direction of fluid
flow, connects pipes to each other, regulated fluid flow, change temperature
What is the main purpose of a check valve? - correct answer ✔✔Prevents backflow
What is an OS&Y Valve and why is the valve commonly used in Fire Protection systems - correct answer
✔✔Outside Stem and Yoke/ To see if the water is on or off
Are plumbing symbols universal or do they change per project? - correct answer ✔✔change per project
Where do you need to look to find out what the different plumbing symbols mean? - correct answer
✔✔Plumbing Legend
DWV - correct answer ✔✔Drainage Waste Vent
Control Valve - correct answer ✔✔Regulates flow
Shut-off Valve - correct answer ✔✔on/off function
Stack venting - correct answer ✔✔lavatory water closet and bathtub drain and vent pipping are all
grouped together and tie back to a main vent (Residential uses primarily)
5 factors related to comfort - correct answer ✔✔Humidity, Temperature, Circulation, Ventilation,
Filtration
T or F: Mechanical and HVAC systems are considered to be the same thing - correct answer ✔✔True
What does a pipe (or tube) fitting do? - correct answer ✔✔Connects pipes to each other
What functions can different plumbing valves perform? - correct answer ✔✔Changes direction of fluid
flow, connects pipes to each other, regulated fluid flow, change temperature
What is the main purpose of a check valve? - correct answer ✔✔Prevents backflow
What is an OS&Y Valve and why is the valve commonly used in Fire Protection systems - correct answer
✔✔Outside Stem and Yoke/ To see if the water is on or off
Are plumbing symbols universal or do they change per project? - correct answer ✔✔change per project
Where do you need to look to find out what the different plumbing symbols mean? - correct answer
✔✔Plumbing Legend
DWV - correct answer ✔✔Drainage Waste Vent
Control Valve - correct answer ✔✔Regulates flow
Shut-off Valve - correct answer ✔✔on/off function
Stack venting - correct answer ✔✔lavatory water closet and bathtub drain and vent pipping are all
grouped together and tie back to a main vent (Residential uses primarily)
