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666 IP > Plumbing I.P Review #1 Part A > Flashcards

Plumbing I.P Review #1 Part A Flashcards

1
Q
  1. Stainless steel is an alloy of steel, chrome and:
    a. tin
    b. nickel
    c. copper
    d. strontium
A

b. nickel

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2
Q
  1. Bronze is an alloy of copper and:
    a. lead
    b. nickel
    c. zinc
    d. tin
A

d. tin

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3
Q
  1. Brass is an alloy of copper and
    a. lead
    b. nickel
    c. zinc
    d. tin
A

c. zinc

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4
Q
  1. fixtures are required to have
    a. flat surfaces
    b. smooth, corrosion resistant surfaces
    c. stainless steel clamps
    d. porcelain surfaces
A

b. smooth, corrosion resistant surfaces

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5
Q
  1. Choose the best answer that describes “vitrified”
    a. hard
    b. smooth
    c. glasslike
    d. rough
A

c. glasslike

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6
Q
  1. Which chemical will affect “pyrex” pipe?
    a. chlorine
    b. nitric acid
    c. sulphuric acid
    d. hydroflouric acid
A

d. hydroflouric acid

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7
Q
  1. Pipe dope is applied to pipe threads to primarily:
    a. harden up and make a good seal
    b. lubricate and cool the threads when tightening
    c. make up for poor threads
    d. allow the threads to “bottom out”
A

b. lubricate and cool the threads when tightening

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8
Q
  1. The size of pipe wrench recommended for use on half-inch and three-quarter inch is
A

14”

?

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9
Q
  1. of the black iron pipe is listed below, the one with the thinnest wall section would be the designated:
    a. XH
    b. sched 80
    c. XXS
    d. Std
A

d. Std

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10
Q
  1. W.0.G. stamped on Valve body would mean
    a. Waste oil galvanized
    b. Water, oil and gas
    c. waste, oil and gas
    d. water, oxygen and gas
A

b. Water, oil and gas

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11
Q
  1. mercury weighs
    a. 3.6 times as much as water
    b. 13.6 times as much as air
    c. 13.6 times as much as water
    d. 136 times as much as water
A

c. 13.6 times as much as water

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12
Q
  1. Atmospheric pressure:
    a. The same everywhere
    b. Decreases at higher altitudes
    c. increases higher altitudes
    d. Is absent at higher altitudes
A

b. Decreases at higher altitudes

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13
Q
  1. Produce smooth, accurate threads into cool and lubricate the dice, cutting oil is supplied:
    a. Before threading
    b. During threading
    c. After threading
    d. Only to begin threading, then non-while threading
A

b. During threading

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14
Q
  1. Shaft bearings on power vices should be lubricated colon
    a. After each job
    b. With machine oil
    c. With grease
    d. Cutting oil
A

c. With grease

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15
Q
  1. Do you not reach across the power vise because:
    a. Your foot my come off the switch
    b. You may lose your balance
    c. Your clothes may get oil on them
    d. all of the above
A

d. all of the above

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16
Q
  1. When hand pipe cutters are used with a power vice:
    a. The vice hold the pipe and you rotate the cutters
    b. the vice rotates the pipe and hold the cutters from rotating
    c. the vice rotates the pipe and the support bar prevents the cutters from rotating
    d. the vice must be secured to the floor
A

c. the vice rotates the pipe and the support bar prevents the cutters from rotating

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17
Q
  1. With a power vice, the only state pan reamer to use as a:
    a. Spiral reamer
    b. fluted reamer
    c. Ratchet type creamer
    d. File
A

b. fluted reamer

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18
Q
  1. The threader die head type that does not require reversing is called:
    a. Quick opening
    b. Drophead
    c. Ratchet
    d. Quick change
A

a. Quick opening

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19
Q
  1. The rigid model 700 Portable drive can be used to:
    a. Cut, ream and thread the pipe
    b. cut and Thread pipe
    c. ream thread pipe
    d. Thread pipe
A

b. cut and Thread pipe

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20
Q
  1. with Mounted accessories a rigid model 300 power vice conserve as a:
    a. Drain cleaner
    b. Nipple chuck
    c. power threader
    d. Tool tray
A

c. power threader

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21
Q
  1. A universal drive shaft:
    a. Is used for threading any and all pipes
    b. Normally drives a geared threader
    c. Turns the pipe in a stationary threader
    d. Connect a power vice to a roll grover
A

b. Normally drives a geared threader

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22
Q
  1. Cutting oil is used to:

A. cool the chasers

B. reduce the power required

c. Help remove cutting chips
d. All of the above

A

d. All of the above

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23
Q
  1. Standard steel pipe is classified according to size by using the nominal diameter for all sizes from:
    a. 1/8” inch up to and including 14 inch
    b. 1/4” up to and including 12 inch
    c. 1/4 up to and including 14 inch
    d. 1/8 up to and including 12 inch
A

d. 1/8 up to and including 12 inch

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24
Q
  1. Standard pipe thread is cut at an angle of
    a. 11 1/2°
    b. 30°
    c. 60°
    d. 72°
A

c. 60°

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25
Q
  1. The thread cut on a pipe is known as:
    a. Male parallel thread
    b. female parallel thread
    c. Male taper thread
    d. Female taper thread
A

c. Male taper thread

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26
Q
  1. What is the number of threads per inch for an 8 inch pipe?
    a. 8
    b. 11 1/2
    c. 14
    d. 18
A

a. 8

27
Q
  1. 2 inch MPS steel pipe is exactly 2.067 inches ID and the wall thicknesses is exactly 0.154 inches. Is the exact OD?
A

2.375”

28
Q
  1. The threads cut by the lead are
    a. The perfect ones
    b. Imperfect ones
    c. Used only for thread cast iron pipe
    d. Used only for threading plastic pipe
A

b. Imperfect ones

29
Q
  1. What size does NPS change to OD on mild steel and wrought iron pipes?
    a. 8”
    b. 10”
    c. 12”
    d. 14”
A

d. 14”

30
Q
  1. Spiral reamer should not be used with a:
    a. Tripod vise
    b. power vice
    c. bench vice
    d. post-yoke vise
A

b. power vice

31
Q
  1. Number of degrees of directional change of a 1/16 bend is:
    a. 11 1/4
    b. 22 1/2
    c. 45
    d. 60
A

b. 22 1/2

32
Q
  1. Which of the following would you use to support a 4 inch galvanized steel water pipe extending through more than two stories
    a. Reznor hooks
    b. clevis hangers
    c. Riser clamps
    d. adjustable roller hangers
A

c. Riser clamps

33
Q
  1. To prevent a strap wrench from slipping, you would apply to the strap:
    a. A light application of cement
    b. Powdered resin
    c. Powdered chaulk
    d. Water from a damp cloth
A

b. Powdered resin

34
Q
  1. What pressure range of acetylene would you likely be working with during Oxsee acetylene welding?
    a. 1-5 psi
    b. 5-15
    c. 1-15
    d. 1-10
A

a. 1-5 psi

35
Q
  1. What is a grade of 2 inch per 50 for express in inches per foot?
    a. .02”/ft
    b. .04”/ft
    c. 1/8”/ft
    d. 1/4”/ft
A

b. .04”/ft

36
Q
  1. If a 1 inch pipe is replaced with a 3 inch pipe, the GPM or rate of flow will be:
    a. twice as great
    b. 3 x as great
    c. 9 times as great
    d. 12 times as great
A

c. 9 times as great

37
Q
  1. The resistance to flow in a piping system can be decreased mostly satisfactorily by:
    a. Increasing the pressure
    b. decreasing the pressure
    c. increasing the pipe
    d. Decreasing the pipe
A

c. increasing the pipe

38
Q
  1. Which of the following valves would create the most friction loss as one fully open?
    a. ball valve
    b. globe valve
    c. gate valve
    d. butterfly valve
A

b. globe valve

39
Q
  1. Using wrenches to tighten of valve onto a pipe, the wrenches would be placed:

A. Both on the valve

B. one on the pipe, one on the valve and tighten through the valve

C. Only one wrench is ever required

D. one the pipe and one on the valve on the end the pipe is inserted to

A

D. one the pipe and one on the valve on the end the pipe is inserted to

40
Q
  1. Why is it necessary to ream the pipe before cutting the thread?
    a. It is easier
    b. if reaming follows threading, the pipe and may split or flare
    c. pipe is never reamed before cutting threads
    d. If reaming follows threading, heat could damage the reamer
A

b. if reaming follows threading, the pipe and may split or flare

41
Q
  1. The pivot point of a lever is known as a
    a. Resistance arm
    b. Effort arm
    c. Falcon
    d. fulcrum
A

d. fulcrum

42
Q
  1. fluxes used for brazing have a temperature range of?
    a. 700-900 F
    b. 1000-1100 F
    c. 1100-1500 F
    d. 450-621 F
A

c. 1100-1500 F

43
Q
  1. Plumber received a shipment of standard black T and C steel pipe for a heating job. The approximate length of each of these pipes would be
    a. 10 to 12 feet
    b. 12 - 20 ft
    c. 18 to 19 feet
    d. 21-22 ft
A

d. 21-22 ft

44
Q
  1. An object which floats displaces:
    a. More than its own weight of water
    b. It’s own weight of water
    c. Less than its own weight of water
    d. None of the above
A

a. More than its own weight of water

45
Q
  1. 23 inches of Hg would be equal to how many inches of water column?
    a. 32”
    b. 46”
    c. 218.8”
    d. 312.8”
A

d. 312.8”

23”x13.6

46
Q
  1. A good flame for Oxy acetylene welding of steel would be:
    a. Highly carbonizing
    b. highly Oxidizing
    c. Neutral
    d. slightly carbonizing
A

b. highly Oxidizing

47
Q
  1. Galvanized pipe is steel pipe with a coating of:
    a. Aluminum oxide
    b. Zinc
    c. oxide of tin
    d. Nickel zinz mixture
A

b. Zinc

48
Q
  1. 95/5 solder would likely contain:
    a. 95% lead, 5% tin
    b. 95% tin, 5% lead
    c. 95% tin, 5% antinomy
    d. 95% lead, 5% zinc
A

c. 95% tin, 5% antinomy

49
Q
  1. The pressure at the base of a column of water 45 feet high would be
    a. 19.49 psi
    b. 25 psi
    c. 90 psi
    d. 103.68 psi
A

a. 19.49 psi

50
Q
  1. The correct formula for calculating specific weight is
    a. D = W/V
    b. SW = W/V
    c. SW = DS/DW
    d. SW = Wt. in air / Wt. in air - Wt. in water
A

c. SW = DS/DW

51
Q
  1. Cubic foot of water weighs:
    a. 64.2 lbs
    b. 62.4 lbs
    c. 10 lbs
    d. 7.48 lbs
A

b. 62.4 lbs

52
Q
  1. “victaulic” couplings are:
    a. screwed
    b. clamped using a rubber gasket seated in a groove in the pipe
    c. Sealed by line pressure
    d. Both b and c correct
A

d. Both b and c correct

53
Q
  1. Extension ladder is placed against a roof overhang which is 20 feet above the ground and projects 2 feet out from the building wall. Proper distance from the wall to the base of the latter is:
    a. 7 feet
    b. 6 feet
    c. 5 feet
    d. 4 feet
A

a. 7 feet
4: 1 rule

54
Q
  1. Upper portion of the ladder should extend past the point of contact with the roof by:
    a. 12”
    b. 24”
    c. 30”
    d. 36”
A

d. 36”

3 rungs

55
Q
  1. Which of the following notes is used to tie together to ropes of an unequal diameter:
    a. Spier knot
    b. reef knot
    c. square knot
    d. sheet bend
A

d. sheet bend

56
Q
  1. Compared to the grade of 1/8 inch per foot, 1% grade is:
    a. Considerably steeper
    b. Slightly shallower
    c. Slightly steeper
    d. Exactly the same
A

b. Slightly shallower

57
Q
  1. Maximum height at which a worker can work above ground before requiring card rails is:
    a. 5’
    b. 6’
    c. 10’
    d. 15’
A

c. 10’

58
Q
  1. When required, guardrails shall be placed at:
    a. 36 inches above the platform
    b. 42 inches above the platform
    c. 48 inches above the platform
    d. 54 inches above the platform
A

b. 42 inches above the platform

59
Q
  1. A ditch that is 4’ 6” deep:
    a. Requires no shoring
    b. Require shoring
    c. Require sloping of the sides
    d. Require shoring or sloping
A

d. Require shoring or sloping

60
Q
  1. Cast iron water main pipe such as ductile iron is off in line with cement:
    a. To add strength
    b. To aid corrosion
    c. To prevent corrosion
    d. To add weight
A

c. To prevent corrosion

61
Q
  1. Density of a substance is defined as:
    a. Mass per foot of length
    b. It’s mass per unit volume
    c. It’s total mass
    d. It’s mass per degree Fahrenheit
A

b. It’s mass per unit volume

62
Q
  1. A cross fitting is allowed in a plumbing system to connect:
    a. Only horizontal drain lines
    b. Only vertical drain lines
    c. Only vent piping
    d. Only sewage sumps
A

c. Only vent piping

63
Q
  1. When using a wrench to tighten chrome plated piping, what type of ranch would be best suited for this purpose?
    a. Crescent wrench
    b. Direction or strap wrench
    c. Pipe wrench with cloth on the jaws
    d. Square jawed wrench
A

b. Direction or strap wrench

666 IP (31 decks)

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