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1. UT Basic/ Advanced > UTB5 Piping System Layout and Plumbing Accessories > Flashcards

UTB5 Piping System Layout and Plumbing Accessories Flashcards

1
Q

What term as applied to plumbing and pipe fitting, is a term used for the installation of concealed piping and fittings at the time a building is being constructed or remodeled? (Page 5-1)

A

Roughing-in

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2
Q

In setting the wall-mounted urinal, see that the rough-in of the waste pipe is at the correct height so after installation the urinal is within reach of the user. The lip of the urinal should be how many inches from the floor? (Page 5-7)

A

20-25

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3
Q

What is equipped with running cold and hot water and is used for bathing external genitals and posterior parts of the body? (Page 5-8)

A

Bidet

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4
Q

All types of drinking fountains should be installed with the orifice located from 30 to how many inches above the floor, depending upon the general height of the users? (Page 5-18)

A

40

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5
Q

What are used to carry contaminated water to the sanitary or storm sewer? (Page 5-18)

A

Floor drains

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6
Q

Most code requirements do not require floor drains to be vented if they are installed within how many feet of a vented drainage pipe line? (Page 5-19)

A

25

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7
Q

What helps remove loose organic solids and sand or grit deposits from sewers? (Page 5-33)

A

Flushing

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8
Q

Excavations over how many feet must be shored and ladders provided under safety requirements for excavation, building, and construction? (Page 5-36)

A

5

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9
Q

When acids are used in working on piping, see that they are kept in only glass or what type of containers? (Page 5-38)

A

Lead

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10
Q

When removing pipe, work from the top end of the pile as much as possible. Pipe larger than how many inches in diameter should be handled by means of a hardwood pipe stick? (Page 5-40)

A

2

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11
Q

By what part should you initially remove surveying equipment from the carrying case?

A

Legs

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12
Q

How many sliding portions does a Philadelphia rod have?

A

2

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13
Q

Which of the following valves allows water flow in one direction only?

A

Check valve

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14
Q

Which of the following types of pipe insulation has excellent weather-aging qualities?

A

Flex rubber insulation

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15
Q

The engineer’s level is also referred to as what kind of level?

A

Dumpy

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16
Q

How are the vertical cross hairs brought into exact alignment on the target?

A

By rotating the azimuth tangent screw

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17
Q

When the hand level is used, the reflector inside the sighting tube is set at what degrees?

A

45 degree angle

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18
Q

For a level to function accurately, the level must provide what type of line of sight in any direction?

A

Horizontal

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19
Q

When you turn the left thumbscrew counterclockwise on a level, the bubble inside the vial will move in what direction?

A

Towards your right hand

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20
Q

Leveling rods are used to measure vertical distance, which is the difference in elevation between a required point and what other requirement?

A

Line of sight

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21
Q

The Philadelphia rod can be extended to what total length in feet?

A

13.10’

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22
Q

When both sections of the Philadelphia rod are entirely closed, what is the total length of the rod in feet?

A

7.10’

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23
Q

What color are the even-foot numeral markers on a Philadelphia rod?

A

Red

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24
Q

What readings are possible when using the vernier scale and dumpy rod target?

A

Thousandths of a foot

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25
Q

Which of the following is NOT a reason for target reading, vice a direct reading approach? A. When the instrumentman wants to ensure an accurate reading B. When a reading to the nearest 0.0001 foot is desired C. When the rodman recommends the target reading D. When the rod is too far from the level to be read

A

C. When the rodman recommends the target reading

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26
Q

When is a rod reading accurate?

A

Rod is perfectly plumb at the time of the reading.

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27
Q

How many spirit vials are associated with the vial rod level?

A

2

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28
Q

What is the coloring scheme on all rods?

A

Painted white with graduation marks painted black

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29
Q

The large numeral values on the rod represent whole feet; what do the small numerical values painted black represent?

A

Hundredths of a foot

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30
Q

What term is used for a permanent object, natural or artificial, bearing a marked point whose elevation is known?

A

Bench mark

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31
Q

If no frost is expected before surveying and construction commence, what type of TBMs are allowed?

A

Stakes

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32
Q

Monument bench marks on permanent military installations are established in what type of system?

A

Grid system, 1/2 mile apart from each other

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33
Q

Tide stations associated bench marks are classified two ways, primary and secondary; what observation period, in years, is required prior to a tide station being designated primary?

A

19 years or more

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34
Q

What is the most common type of mistake associated with surveying operations?

A

Level that is out of adjustment

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35
Q

(True or False) For underground utility construction, you need only to stake out the line; determining the grade of the piping is not necessary.

A

False

36
Q

What is used to transfer the grade from the sighting cord to the pipe?

A

Grade pole

37
Q

Which of the following is NOT presented on the plan and profile sheet? A. Horizontal line located in each system B. Invert elevation at each fitting C. Horizontal location of each fitting D. Azimuth of each piece of equipment in each system

A

D. Azimuth of each piece of equipment in each system

38
Q

The crowfoot symbol located on the centerline stake represents what reference point?

A

Vertical grade

39
Q

What is the distance in feet between stakes and hubs?

A

25 foot intervals

40
Q

At what distance in feet are sewer hubs offset from the centerline?

A

8 feet

41
Q

Where can the percentage of drop value of a sewer hub be located?

A

Plan and profile sheets

42
Q

What type of valve is used where a straight flow of water with the least amount of restriction is needed?

A

Gate valve

43
Q

What distinguishes one type of globe valve from another?

A

Internal structure of valve

44
Q

What valve is ideal when frequent throttling operations are required?

A

Globe

45
Q

In which of the following types of globe valves are the inlet and outlet openings in line with each other?

A

Straight type

46
Q

What type of valve is used as a stop valve on the suction side of a fire room pump?

A

Globe valve

47
Q

What material is provided to form a positive seal around the stem if the seal formed by the seat is damaged on a butterfly valve?

A

Packing

48
Q

What happens to the altitude valve if the pressure in the distribution system drops below normal working pressure?

A

Automatically opens

49
Q

When operating a ball valve, you notice the handle is in line with the piping; what position is the valve in?

A

Open

50
Q

Brass ball valves are used in which of the following applications?

A

Water service lines

51
Q

What happens to the position of the check valve if the pressure on the inlet side is greater than that on the outlet side?

A

Opens automatically

52
Q

Which type of check valve is used in horizontal lines?

A

Swing check valves

53
Q

Which type of valve is used to maintain pressure lower than supply pressure?

A

Pressure reducing

54
Q

In what direction is the diaphragm inside the pressure reducing valve forced if the discharge pressure is greater than the spring pressure?

A

Up

55
Q

How is the amount of spring pressure reduced on a pressure-reducing valve?

A

By turning the adjusting screw counterclockwise

56
Q

At what percentage above the set pressure will the pressure relief valve fully open?

A

20%

57
Q

(True or False) The hydraulic control valve is normally held in the closed position by both the diaphragm force and by fire main pressure acting against the disk.

A

True

58
Q

How often is maintenance of valve boxes conducted?

A

Twice a year

59
Q

Gear boxes are inspected at what interval?

A

Semi-annually

60
Q

Where are the position indicators located on the non-rising stem gate valve?

A

Floor stand

61
Q

What is the result of installing a valve stem upside down?

A

Sediment collects in valve handle.

62
Q

Which of the following methods determines visually whether or not the seat and disk make good contact?

A

Spotting-in

63
Q

(True or False) Spotting-in is NOT required for conduct at the completion of the grinding-in method.

A

False

64
Q

What method is required at the completion of the lapping method?

A

Spotting-in and Grinding-in

65
Q

Which compound grade is utilized for finish lapping?

A

Fine

66
Q

Which type of water volume meter is used with pipe less than 1 1/2 inches in diameter?

A

Disk

67
Q

Where is the water meter located?

A

Near the pressure-reducing valve

68
Q

How many different types of meter dials are used?

A

2

69
Q

In the circular-reading dial, when the hand on a scale is between two numbers, which number is read?

A

lower

70
Q

What is the primary purpose for insulation of piping?

A

Prevent heat passage from steam piping to outside air.

71
Q

Of the two types of insulation used with heating ducts, what is the purpose of the inside insulation?

A

Reduce vibration

72
Q

Rigid preformed sections of insulation are used on what type of equipment?

A

Pipe runs

73
Q

Which type of insulation is ideal covering for ice water piping?

A

Cork pipe covering

74
Q

What type of base primer is used to prevent corrosion caused by condensation?

A

Asphaltic

75
Q

Antisweat insulation is designed for which type of piping?

A

cold water pipes

76
Q

How many layers compose the antisweat insulation sheeting?

A

6

77
Q

How thick is frost-proof insulation?

A

1-1/4 inch

78
Q

When wire mesh is utilized as a covering base, what is the distance in inches from the piping that needs to be maintained?

A

1”

79
Q

What distribution element is used to carry water from a treatment center to the users?

A

Distribution mains

80
Q

(True or False) Mains can be located under paved roads.

A

False

81
Q

In the construction of long water supply lines, at what intervals, in feet, should shutoff valves be placed?

A

Not greater than 5,000

82
Q

How many feet from a building should fire hydrants be located?

A

50 feet

83
Q

Hydrants should not be placed more than how many feet from the edge of a paved roadway?

A

7 feet

84
Q

Hydrants should not be placed closer than how many feet from the front of any entranceway?

A

3 feet

85
Q

The operating nut for a fire hydrant should not be placed more than how many feet above the surrounding grade of the land?

A

4 feet

86
Q

In mass parking and maintenance areas, the tops of the fire hydrants must not be higher than how many inches above the ground?

A

24”

1. UT Basic/ Advanced (25 decks)

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