4010B Subsurface Drainage quiz Attempt DONE

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School

TAFE NSW - Sydney Institute *

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Course

4010B

Subject

Mechanical Engineering

Date

Apr 3, 2024

Type

pdf

Pages

5

Uploaded by DukeFogEchidna35

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Dashboard / My courses / CPCCBC4010B Apply Structural Principles (Residential low rise) S1 2020 [ULT] (35) / LESSON 8 Surface & Sub-surface drainage & Earthworks on Building Sites / Subsurface Drainage quiz Started on Tuesday, 20 February 2024, 8:47 PM State Finished Completed on Tuesday, 20 February 2024, 8:57 PM Time taken 10 mins 26 secs Marks 14/14 Grade 100 out of 100 Question 1 Correct Mark 1 out of 1 Question 2 Correct Mark 2 out of 2 Surface water must be diverted away from buildings? Select one: True False Choose two problems that could occur when a drainage trench is dug too close to a building? Disregard the note about selecting one, you need to select two problems. Select one or more: It creates the problem of excessive pressure being applied to the drainage pipes during compaction, which may cause the pipes to crack. It reduces the bearing capacity of the soil because trenches are never compacted properly during filling Interferes with the termite treatment already placed beside the building Hard to connect to Gets in the way of other service pipes already in the trench Subsurface Drainage quiz: Attempt review https://learn.sydneytafe.edu.au/mod/quiz/review.php?attempt=129787... 1 of 5 2/20/2024, 8:58 PM
Question 3 Correct Mark 1 out of 1 Question 4 Correct Mark 1 out of 1 Question 5 Correct Mark 1 out of 1 What determines the direction of the water table flow ? Select one: a. Gravity determines direction b. depends on how close to a water supply it is c. It follows a downhill direction d. Water flow is generally in the same direction as the surface flow e. Direction of flow changes with the conditions and seasons The external finished surface surrounding the slab-on-ground must be drained away from the building. Please select the minimum dimensional fall requirements to conform to the BCA. Select one: 50 100 Can flow either way does not matter 150 What is the name of the angle at "which the soil would be found to collapse in nature without any reinforcement such as tree roots, rock etc or man made structures". Select one: The angle of affiliation The angle of credance The angle of repose The angle of collapse The angle of incidence Subsurface Drainage quiz: Attempt review https://learn.sydneytafe.edu.au/mod/quiz/review.php?attempt=129787... 2 of 5 2/20/2024, 8:58 PM
Question 6 Correct Mark 1 out of 1 Question 7 Correct Mark 1 out of 1 Question 8 Correct Mark 1 out of 1 What Government Authority determines where the legal discharge point for stormwater from a building site occurs? Select one: Hydraulic Engineer Principal certifying authority The Builder Stormwater management consultant Local Council For a silt pit to be effective it must what? Select one: If no rainfall. hosing it with plenty of water will suffice. Needs to be Regularly Cleaned Silt pits are always effective on building sites It needs regular rainfall Silt pits have been replaced with surface pits which are always effective. What would you use to keep fine particles of soil from clogging rubble drains and agricultural pipes etc? Select one: Hessian fabric Filter fabric / Geo (Fabric) New roofing sheets Newspapers Old roofing sheets Subsurface Drainage quiz: Attempt review https://learn.sydneytafe.edu.au/mod/quiz/review.php?attempt=129787... 3 of 5 2/20/2024, 8:58 PM
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Question 9 Correct Mark 1 out of 1 Question 10 Correct Mark 1 out of 1 Question 11 Correct Mark 1 out of 1 Bearing pressure changes with different soil types. Select one: True False What is the common size of the water service in a Residential cottage construction? Select one: a. 50 - 75mm b. No common size for residential sites, plumber can choose whatever he likes c. 100mm d. 20-25mm e. 25 - 50mm Can the area below suspended floors be lower than the adjacent outside area? Choose best answer Select one: Yes, easier to trap water to pump to street It doesn't matter anyway because you only construct house's on slabs ,therefore there is no subfloor. No, possibility of water ponding under the floor No, Too hard to place timber and surplus building materials for storage. Yes, Water never pools when the outside ground level is higher than the sub floor area. Subsurface Drainage quiz: Attempt review https://learn.sydneytafe.edu.au/mod/quiz/review.php?attempt=129787... 4 of 5 2/20/2024, 8:58 PM
Question 12 Correct Mark 1 out of 1 Question 13 Correct Mark 1 out of 1 The appropriate slab height above finished ground level may depend on a number of factors, please choose the incorrect response. Select one: The possibility of flooding The Local plumbing requirements particularly overflow relief gully height The effect of excavation on a Cut and Fill site The possibility of termites being in the vicinity The run-off from storms and the local topography Agricultural (Agg) drains should always be graded so water flows to a designated position Select one: True False Discharge Control pit / Silt pit Jump to... Footings & Slabs Powerpoint presentation Subsurface Drainage quiz: Attempt review https://learn.sydneytafe.edu.au/mod/quiz/review.php?attempt=129787... 5 of 5 2/20/2024, 8:58 PM