CH 7 INSTALLING WATER SYSTEMS Flashcards
1
Q
GRID SYSTEM
A
MOST EFFICIENT LAYOUT OF WATER SYSTEM
2
Q
GRID LAYOUT
A
REDUCES WATER HAMMER BY REDUCING SURGES AND VACUUMS
3
Q
THRUST
A
OUTWARD FORCE OF THE WATER PRESSURE
4
Q
3 IMPORTANT FUNCTIONS OF WATER PIPE
A
HOLD IN WATER PRESSURE
WITHSTAND THRUST
RESIST INWARD PRESSURE FROM DEMAND
5
Q
6 TYPES OF WATER PIPE
A
WOOD D.I. A.C. P.V.C. FIBERGLASS CAST IRON
6
Q
PIPE FITTINGS
A
CHANGE PIPE SIZE
CHANGE DIRECTION
CHANGE PIPE TYPE
7
Q
3 CONTROL FITTINGS
A
GATE VALVE
FIRE HYDRANT
AIR RELEASE VALVE
8
Q
3 TYPES OF JOINTS
A
PUSH ON
MECHANICAL
FLANGED
9
Q
4 COMMON PIPE MATERIALS
A
P.E.
GALVANIZED
COPPER
POLYBUTYLENE
10
Q
CREW REQUIRED FOR WM INSTALL
A
SUPERINTENDENT
EQUIPMENT OPERATOR
PIPE LAYER
PIPE LAYER ASSISTANT
11
Q
OFFSET
A
COMBINATION OF ELBOWS AND BENDS THAT BRINGS ONE SECTION OF PIPE INTO LINE WITH ANOTHER
12
Q
2 METHODS OF JOINING WATER MAIN SERVICES
A
DIRECT TAP
SADDLE TAP
