70. For fuel gas piping, the maximum support spacing for 1" nominal steel pipe is ______________________ feet.

A. 4

B. 6

C. 8

D. 10

71. In a health care facility, vacuum breakers must be installed a minimum of _____________ above the flood level rim of the fixture or device.

A. 2 inches (51 mm)

B. 6 inches (152 mm)

C. 4 inches (102 mm)

D. 12 inches (306 mm)

72. A fixture supply pipe must not terminate more than 30 inches (762 mm) from the point of connection to the fixture.     A ______________ flexible water connector installed between the supply pipe and the fixture shall be of an approved type.

A. reduced-size

B. equal-size

C. enlarged-size

D. none of these

73. ______________ inspections must be made of all backflow prevention assemblies and air gaps to determine whether they are operable.

A. Monthly

B. Weekly

C. Semi-annual

D. Annual

74. The following types of joints and connections are not prohibited:

A. Cement or concrete joints.

B. Solvent-cement joints between different types of plastic pipe.

C. Solvent-cement joints between the same types of plastic pipe.

D. Saddle-type fittings.

E. A B and D

75. What is the required minimum flow rate and flow pressure to be provided to a public lavatory?

A. Flow rate 2 gpm, Flow Pressure 8 psi

B. Flow rate 0.4 gpm, Flow Pressure 8 psi

C. Flow rate 3 gpm, Flow Pressure 20 psi

D. Flow rate 1.6 gpm, Flow Pressure 8 psi

76. What is the maximum capacity in cubic feet of gas per hour for schedule 40 metallic pipe 1.25" nominal size with a run length of 156 feet?   The fuel is natural gas with and inlet pressure of less than 2 psi and a pressure drop of 0.5 inches on a water column.

A. 424

B. 322

C. 99

D. 296

77. For purposes of calculating maximum fixture unit load and drainage sizing, what is the drainage fixture unit value as a load factor for a kitchen sink, domestic with food waste grinder and/or dishwasher.

A. 1

B. 2

C. 3

D. 4

E. 5

78. In a healthcare facility, the bottom of the local vent stack, except where serving only one bedpan washer, must be drained by means of ___________________ to the sanitary drainage system.

A. a trapped and vented waste connection

B. a siphon suction pump

C. backflow preventer valve

D. whirlpool flushing tank system

79. The water supply piping for a bathtub, where the developed length of the distribution line is 50 feet or less, and the available pressure at the meter is a minimum of 35 psi, the minimum size of an individual distribution line supplied from a manifold and installed as part of a parallel water distribution system must be _________ inch(es).

A. 3/8

B. 1/2

C. 3/4

D. 1

80. In flushing devices for water closets and urinals, all flush tanks must be equipped with an antisiphon fill valve. The fill valve backflow preventer shall be located at least ______________ above the full opening of the overflow pipe.

A. 1 inch (25 mm)

B. 1 1/2 inch (38 mm)

C. 2 inch (51 mm)

D. 3 inch (76 mm)

81. A clinical sink serving a soiled utility room __________ be considered as a substitute for, or be utilized as, a service sink.

A. may

B. shall not

82. A clinical sink must have an integral trap in which the upper portion of a visible trap seal provides a water surface. The fixture shall be designed so as to permit complete removal of the contents by __________________ and to reseal the trap.

A. trap removal and replacement

B. a rooter

C. flushing action

D. symphonic or blowout action

83. What is the maximum distance allowed for a fixture trap from its vent for a 1.5 inch trap with 1/4 inch per foot pipe slope is _____________ .

A. 5 feet (1524 mm)

B. 6 feet (1829 mm)

C. 8 feet (2438 mm)

D. 12 feet (3658 mm)

E. 16 feet (4879 mm)

84. In a health care facility, a connection between local vents serving bedpan washers or sterilizer vents serving sterilizing apparatus and normal sanitary plumbing systems ____________.

A. shall be wet vents

B. shall be by-passed

C. shall be trapped

D. are prohibited

85. The temperature of water from tankless water heaters must be a maximum of ____________ when intended for domestic uses.

A. 110°F (43°C)

B. 120°F (49°C)

C. 140°F (60°C)

D. 180°F (82°C)

86. Baptisteries, ornamental and lily pools, aquariums, ornamental fountain basins, swimming pools, and similar constructions, where provided with water supplies, must be protected against _________ in accordance with Section 608.

A. backflow

B. pressure buildup

C. overflow

D. water contamination

87. What is the maximum distance allowed for a fixture trap from its vent for a 2 inch trap with 1/4 inch per foot pipe slope is _____________ .

A. 2 feet (610 mm)

B. 4 feet (1219 mm)

C. 6 feet (1829 mm)

D. 8 feet (2438 mm)

E. 16 feet (4879 mm)

88. Private potable well supplies must not be developed from a water table less than ____________ below the ground surface.

A. 10 feet (3048 mm)

B. 35 feet (10 668 mm)

C. 50 feet (15 240 mm)

D. 75 feet (22 860)

89. Where earthquake loads are applicable in accordance with the building code, plumbing piping supports must be designed and installed for the seismic forces in accordance with the _____________________.

A. International Earthquake Code

B. Seismic Support Mechanical Handbook

C. International Building Code

D. any of these

90. The purpose of the International Plumbing Code [IPC] is to provide ____________ standards to safeguard life or limb, health, property and public welfare by regulating and controlling the design, construction, installation, quality of materials, location, operation and maintenance or use of plumbing equipment and systems.

A. minimum

B. maximum

C. uniform

D. international