MEP FINAL EXAM ACTUAL QUESTIONS AND

MEP FINAL EXAM (ACTUAL / ) QUESTIONS AND

VERIFIED CORRECT ANSWERS

Would could happen if your plumbing vent piping was not large enough - ---Answers---Back ups, clogging, bad smells, broken pipes

DFU - ---Answers---Drainage Fixture Unit

Why do engineers need to calculate DFU's for plumbing fixtures? - ---Answers---To know how much a fixture is going to use so the plumbing, can be designed and put in accordingly (pipe sizing also)

Why is pitch important in a drain system? - ---Answers--- Proper drainage to prevent sediment build up

Why do we have P-traps at plumbing fixtures - ---Answers--- To maintain a water seal in the piping

Stack Vent - ---Answers---an extension of the soil/waste stack above the highest horizontal drain connection to the stack

Vent Stack - ---Answers---the main vertical pipe that supplies circulation of air into and gasses out of the system 1 / 2

• types of drainage systems - ---Answers---sanitary and

storm

Why would a homeowner use a septic system instead of tying their drainage back into the municipality main lines? - --- Answers---Cost, location

Advantage and Disadvantage of PEX tubing - ---Answers---

cheaper, easy installation: doesn't last as long, durability

Why would you install a drain tile at the footing of a building? - ---Answers---collect storm water and divert it away from building in the drainage system, collect groundwater and divert it away from the building in the drainage system

True or False: Hydrostatic pressure is the pressure exerted by

a fluid due to the force of gravity. The deeper you go into the ground, the grater amount of hydrostatic pressure you will have - ---Answers---True

Steam Header - ---Answers---distributes steam to branch line

Heating Unit - ---Answers---transfers heat to a space

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