BLDG UTILITIES

Question 1

9An excessive water pressure can be minimized using this valve

Answer 1

Pressure Reducing Valve

Question 2

Supplies water to the plumbing fixtures by means of gravity

Answer 2

Overhead Feed System

Question 3

A new concept in water distribution where compressed air is used as the delivery agent.

Answer 3

AIR PRESSURED WATER DISTRIBUTION

Question 4

This type of water distribution is fast superseding

Answer 4

AIR PRESSURED WATER DISTRIBUTION

Question 5

Used on tall building that could not be served adequately by the street main.

Answer 5

DIRECT UP-FEED PUMPING SYSTEM

Question 6

It is a Triplex Pump installed to operate in sequence according to the volume of demand.

Answer 6

DIRECT UP-FEED PUMPING SYSTEM

Question 6

When the water demand is small, the small pump called ______ will operate.

Answer 6

JOCKEY

Question 7

refers to the resistance produced by the following water with the fittings and interior surface of the pipe.

Answer 7

Friction

Question 8

In water supply distribution, it is defined as the resistance between the molecules of water.

Answer 8

friction

Question 9

The force required to move the water inside the pipe.

Answer 9

Pressure

Question 10

water at rest

Answer 10

Static Pressure

Question 11

Pressure available

Answer 11

Residual Pressure

Question 12

the pressure range measured over a period of 24 hours

Answer 12

Normal Pressure

Question 13

This valve will keep the pressure constant at 40 psi or can be reset to any other pressure desired.

Answer 13

Pressure Reducing Valve

Question 14

The maximum water discharge of fixtures in terms of fixture unit.

Answer 14

Maximum Demand

Question 15

One factor to be considered in determining the size of the water service pipe

Answer 15

Probable Demand

Question 16

Use on small water distribution system for elevating water in wells or other sources.

Answer 16

Piston Pump

Question 17

Associated with tall buildings water distribution system.

Answer 17

Centrifugal Pump

Question 18

Small hot water tank made of copper or stainless-steel sheet (for low to medium-rise bldgs)

Answer 18

Range Boiler

Question 19

Large hot water tank made of heavy-duty stainless-steel sheet (For high-rise bldgs)

Answer 19

Storage boiler

Question 20

small tank used to protect closed water heating systems and domestic hot water systems from excessive pressure

Answer 20

expansion tank

Question 21

heater controlled by a thermostat

Answer 21

electric heater

Question 22

gas burner is placed below the coil

Answer 22

gas heater

Question 23

solar energy is used for heating water. should have 100-300L capacity

Answer 23

solar water heater

Question 24

THE RESISTANCE PRODUCED BY THE FLOWING WATER WITH THE FITTINGS AND INTERIOR SURFACE OF THE PIPE

Answer 24

Friction

Question 25

a mechanical device used to circulate hot water to the plumbing fixtures

Answer 25

the pump circuit system

Question 26

includes all valves and controls used in plumbing systems which are accessible

Answer 26

regulating equipment

Question 27

Used to collect water from an aquifer

Answer 27

Submersible Pump

Question 28

a valve in which the flow of water is cut off by means of a circular disc, at RIGHT ANGLES TO THE DIRECTION OF FLOW

Answer 28

GATE VALVE

Question 29

The opening in the gate valve is usually as large as the ____

Answer 29

full bore of the pipe

Question 30

a valve in which the flow of fluid is cut off by means of circular disc that FITS OVER and against the horizontal valve seat

Answer 30

globe valve

Question 31

serves as a vital connection point between the main water supply and indiv fixtures; making a 90-degree turn

Answer 31

angle valve

Question 32

o types of angle valve

Answer 32

two-way angle valve & three-way angle valve

Question 33

a valve that automatically closes to prevent the flow of liquid or gas in a reverse direction; checks the reversal flow of water

Answer 33

check valve

Question 34

A NON-RETURN VALVE INSTALLED IN A PUMP SUCTION

Answer 34

FOOT VALVE

Question 35

a valve that acts as a fail-safe

Answer 35

safety valve

Question 36

a safety valve which automatically releases a substance from a boiler

Answer 36

pressure relief valve

Question 37

a quarter-turn valve

Answer 37

ball valve

Question 38

cuts the flow of water, typically used in water heaters

Answer 38

cut-off valve

Question 39

a valve that isolates or regulates the flow of a fluid

Answer 39

butterfly valve

Question 40

are approved type installed receptacles connected to the plumbing system

Answer 40

plumbing fixtures