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Tier 2 Q2 Exam Questions and Answers100% CORRECT
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Exam of 17 pages for the course Csst at Csst (Tier 2 Q2 Exam)
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Tier 2 Q2 ExamRegulations for installing plumbing fixtures in accordance with the Americans with Disabilities Act-(ADA) require controls that can be operated with ________ and that do not need to be grasped tightly pinched, or twisted using the wrist. - answer One hand
1.) One-way passage of fluids or gases
2.) Ceramic disk
3.) Looped above the flood level rim
4.) Refrigerator ice maker A.) Faucet B.) D.W. Drain hose
C.) Cold water
D.) Check valves - answer 1D
2A
3B
4C
Which image is typically required when fastening a "dishwasher-drainage tube" to a food waste grinder (garbage disposal) - answer IV only
"Do NOT set a floor-mounted water closet in place until a nonporous floor covering is installed." Section #? Md 8 Pg 13 - answer 3.1.0
1.) Bottom of the tank 2.) Electric water heater 3.) July 2003 4.) Smaller orifices A.) FVIR
B.) Heat transfer C.) LP-gas
D.) Element - answer 1B
2D
3A
4C
The combustion chamber in a condensing water heater is usually _________, drawing combustion air from the exterior of a building through a separate intake pipe. - answer Sealed A circuit is a loop of electrical current that contains a voltage source, a load, and ____. -
answer Conductors
The water closets that are installed in both the men's and ladies' room shall be equipped with seats that are ______. - answer Non-absorbent
Not more than _______ fixture(s) shall be served by a single flushometer valve. - answer One
The interceptor-separator illustrated in the figure is known as a ______. - answer Grease Interceptor
Where a fixture comes in contact with walls and floors, the joint shall be ______. - answer Water tight
If the plumber/gasfitter floods the trench to consolidate-(compact) the backfilling material around the pipe, or the trench is left open for several days and exposed to rainfall ________. - answer Care shall be exercised to see that the pipe is not floated.
Underground plastic piping shall be installed with sufficient clearance or shall be _________ from any source of heat so as to prevent the heat from impairing the serviceability of the pipe. - answer Insulated
Device A is known as a ______ regulator. - answer First Stage Regulator
Gas piping installed underground in an area where flower beds, shrubs beds and other such cultivated areas may be planted shall be ______. - answer Protected from physical damage
The natural gas and propane gas piping systems shall be labeled at ______. - answer All changes of piping direction
________ is the equivalent length in feet of schedule-40 (standard weight) straight pipe when using a 3/4" black malleable tee. - answer 4' 1-1/2"
The formula _________ is typically used to determine the capacity of a cylindrical tank that is 18-inches in diameter and 42-inches long. - answer D^2 x L" x .0034
The formula _______ is typically used to determine the capacity of a rectangular tank with the dimensions 60-inches in length, 42-inches in width, and 18-inches in height. - answer L" x W" x H" x .00433
A cylindrical tank that is 20-inches in diameter and 5-feet long that is filled to within 5 % of its total capacity would contain _______ gallons. (D^2 x L' x .0408) - answer 76 to 78 The cross-sectional area of a 10" diameter pipe is _______ sq. in. - answer 78.54
1.) 1/8 bend 2.) 2.61 3.) One cu. in. of water weighs 4.) 72°
A.) 1/16 bend B.) 1.05
C.) 1.41
D.) .036 - answer 1C
2A
3D
4B
A journeyman plumber and apprentice are installing schedule-40 gas piping in a single-
family residence. The gas piping being installed will serve a single 40,000 BTU/hr undiluted propane gas fired category-1 water heater. The gas system pressure drop variable is 0.5 in w.c. The code would require that the gas piping system identified above shall be sized using Table _______. - answer Table 6.3(d)
The total developed length of piping as measured from the outlet of the 2nd stage regulator to the gas shutoff valve at Gas Appliance #1 is ________. - answer 63.5'
________ feet is the length applicable to properly sizing the gas piping system to supply
a sufficient amount of gas from the outlet of the 2nd stage regulator to the gas shutoff valve at Gas Appliance #1 - answer 80
When supplied with 3/4" schedule-40 gas piping Gas Appliance #1 shall not exceed a gas input or _____ cu. ft. of gas. - answer 212
The code would require that the piping at the gas shutoff valve of Gas Appliance #1 is to
be a minimum size of _______. - answer 1"
The code would require that the piping identified at point C is to be a minimum size of _______. - answer 3/4"
An indirect water heater system uses a _______ instead of a gas burner or electric heating element, to heat the water. - answer Boiler
1.) Solar water heating popularity 2.) Collector 3.) Heat pump 4.) High limit A.) 40°F to 90°F B.) Aquastat
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