5875654
Descripción
Test por Josef Lorenz Del, actualizado hace más de 1 año
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Creado por Josef Lorenz Del
hace casi 8 años
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Pregunta 1
Pregunta
The type of system shall be determined on the basis of ______.
Respuesta
-
Location
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Soil porosity
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Ground water level
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All of the above
Pregunta 2
Pregunta
The capacity of any one septic tank and its drainage system shall be limited by _____.
Respuesta
-
Location
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Soil porosity
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Soil structure classification
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Ground water level
Pregunta 3
Pregunta
Septic tanks shall have _____.
Respuesta
-
A maximum of two compartments
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Atleast three compartments
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A minimum of two compartments
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Atleast one compartment
Pregunta 4
Pregunta
The inlet compartment of any septic tank shall be _____.
Respuesta
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Not less than two-thirds (2/3) of the total capacity of the tank, nor less than 2cu.m.
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Less than two-thirds (1/3) of the total capacity of the tank, nor less than 1cu.m.
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Less than two-thirds (2/3) of the total capacity of the tank, nor less than 2cu.m.
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Not less than two-thirds (1/3) of the total capacity of the tank, nor less than 1cu.m.
Pregunta 5
Pregunta
Minimum dimensions of septic tank
Respuesta
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Atleast 1.2m in width and 1.5m in length
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Atleast 0.6m in width and 1.2m in length
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Atleast 0.9m in width and 1.5m in length
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Atleast 1.2m in width and 1.8m in length
Pregunta 6
Pregunta
Liquid depth shall be _____.
Respuesta
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Not less than 0.9m nor more than 1.8m
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Not less than 0.6m nor more than 1.8m
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Not less than 0.6m nor more than 1.5m
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Not less than 0.9m nor more than 1.5m
Pregunta 7
Pregunta
The secondary compartment of any septic tank shall have a _____.
Respuesta
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A maximum capacity of two-thirds (2/3) of the total capacity of such tank and a minimum capacity of 2cu.m.
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A minimum capacity of one-third (1/3) of the total capacity of such tank and a maximum capacity of 1cu.m.
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A minimum capacity of two-thirds (2/3) of the total capacity of such tank and a maximum capacity of 2cu.m
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A maximum capacity of one-third (1/3) of the total capacity of such tank and a minimum capacity of 1cu.m.
Pregunta 8
Pregunta
In septic tanks having over 6cu.m. capacity, the secondary compartment may _____.
Respuesta
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May not be less than 0.9m in length
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May not be less than 1.2m in length
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May not be less than 1.5m in length
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May not be less than 1.8m in length
Pregunta 9
Pregunta
Access to each septic tank shall be provided by already two (2) manholes _____ in minimum dimension or by an equivalent removable cover slab.
Respuesta
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406mm or 16in
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457mm or 18in
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508mm or 20in
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559mm or 22in
Pregunta 10
Pregunta
Wherever a first compartment exceeds _____ in length, an additional manhole shall be provided over the baffle wall.
Respuesta
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3.1m or 10ft
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3.7m or 12ft
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4.3m or 14ft
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4.9m or 16ft
Pregunta 11
Pregunta
The inlet and outlet pipe or baffle wall shall extend ______ the water surface.
Respuesta
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4in above and atleast 12in below
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3in above and atleast 10in below
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5in above and atleast 14in below
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6in above and atleast 16in below
Pregunta 12
Pregunta
The invert of the inlet pipe small be at a level _____ above the invert of the outlet pipe.
Respuesta
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Not less than 2in
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Not less than 4in
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Not more than 2in
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Not more than 4in
Pregunta 13
Pregunta
The side walls shall extend atleast _____ above the liquid depth.
Respuesta
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228.6mm or 9in
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177.8mm or 7in
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254mm or 10in
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203.2mm or 8in
Pregunta 14
Pregunta
The cover of the septic tank shall be atleast _____ above the back vent opening.
Respuesta
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50.8mm or 2in
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25.4mm or 1in
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76.2mm or 3in
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101.6mm or 4in
Pregunta 15
Pregunta
All septic tank covers shall be capable of supporting an earth load of nor less than _____ when the maximum coverage does not exceed _____.
Respuesta
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14.4kPa ; 9m
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20.7kPa ; 12m
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6.9kPa ; 6m
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27.6kPa ; 15m
Pregunta 16
Pregunta
All concrete septic tanks shall be protected from corrosion by coating with an approved bituminous coating or by other acceptable means. The coating shall extend to atleast _____ below the water line and shall cover all the internal area above that point.
Respuesta
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101.6mm or 4in
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76.2mm or 3in
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127mm or 5in
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152.4mm or 6in
Pregunta 17
Pregunta
The minimum wall thickness of any steel tank shall be _____ and each such tank shall be protected from corrosion, both externally and internally, by an approved bituminous coating or by other acceptable means.
Respuesta
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No. 12 U.S. gauge (.109) (2.8mm)
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No. 11 U.S. gauge (.125) (3.2mm)
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No. 13 U.S. gauge (.094) (2.4mm)
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No. 14 U.S. gauge (.073) (2.0mm)
Pregunta 18
Pregunta
Clean stone, gravel, slag or similar filter material varying in size from _____ shall be placed in the trench to the depth and grade of required constructing disposal fields.
Respuesta
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3/4in to 2 1/2in
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1in to 2 1/2in
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1/2in to 3in
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3/4in to 3in
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