Quiz 4 Protection against Indirect Contact (25 mins): Attempt review

Dashboard / My courses / EL03 - Arrange circuits, control and protection for electrical installations / 4 Protection against Indirect Contact / Quiz 4 Protection against Indirect Contact (25 mins) Started on Sunday, 4 August 2024, 3:41 PM State Finished...

Dashboard / My courses / EL03 - Arrange circuits, control and protection for electrical installations / 4 Protection against Indirect Contact / Quiz 4 Protection against Indirect Contact (25 mins) Started on Sunday, 4 August 2024, 3:41 PM State Finished Completed on Sunday, 4 August 2024, 3:46 PM Time taken 4 mins 52 secs Marks 20.00/20.00 Grade 100.00 out of 100.00 Feedback Congratulations you have achieved 100%. Good luck with your continued studies. Question 1 Correct Mark 1.00 out of 1.00 What is the name of the current that flows through a body when exposed to a touch voltage due to a fault? Select one: Fault current Touch current Normal current Simultaneous current Your answer is correct. Question 2 Correct Mark 1.00 out of 1.00 Automatic disconnection of supply is required to.. Select one: Ensure no touch voltages at all occur on exposed conductive parts Maximise the amount of touch voltage in the event of a fault to ensure fault conditions remain Automatically disconnect the supply if touch voltage exceeds 50vac or 120vdc Only disconnect if fault conditions remain after 4 seconds Your answer is correct. Question 3 Correct Mark 1.00 out of 1.00 The maximum disconnection time for a circuit supplying hand held class 1 equipment is.. Select one: Must be instantaneous, i.e. Zero seconds 0.4 seconds 4 seconds 0.5 seconds 5 seconds Your answer is correct. Question 4 Correct Mark 1.00 out of 1.00 The maximum disconnection time for a circuit supplying 25 amp 3 phase socket outlets is.. Select one: Must be instantaneous, i.e. Zero seconds 0.4 seconds 4 seconds 0.5 seconds 5 seconds Your answer is correct. Question 5 Correct Mark 1.00 out of 1.00 The maximum disconnection time for a circuit supplying a hot water system is.. Select one: Must be instantaneous, i.e. Zero seconds 0.4 seconds 4 seconds 0.5 seconds 5 seconds Your answer is correct. Question 6 Correct Mark 1.00 out of 1.00 The maximum disconnection time for a sub main circuit is.. Select one: Must be instantaneous, i.e. Zero seconds 0.4 seconds 4 seconds 0.5 seconds 5 seconds Your answer is correct. Question 7 Correct Mark 1.00 out of 1.00 A device that is used to detect leakage current to earth (such as a person receiving an electric shock) and then disconnect the supply to prevent harm is called.. Select one: Residual Current Device Circuit Breaker Fuse Self-setting leakage fuse Your answer is correct. Question 8 Correct Mark 1.00 out of 1.00 Another name (acronym) for a device used to detect earth leakage current is.. Select one: MCCB MCB EMCB ELCB Your answer is correct. Question 9 Correct Mark 1.00 out of 1.00 What is the sensitivity mA rating for RCD’s to provide additional protection against electric shock as per AS3000? Select one: 5mA 10mA 30mA 100mA Your answer is correct. Question 10 Correct Mark 1.00 out of 1.00 What is the sensitivity or mA rating for RCD’s that may be used in higher risk installations such as bathrooms and kindergartens? Select one: 5mA 10mA 30mA 100mA Your answer is correct. Question 11 Correct Mark 1.00 out of 1.00 What is a possible disadvantage of using a low setting (sensitivity) mA RCD? Select one: It can’t detect higher values of earth leakage At higher levels of earth leakage the disconnection time is too large It may cause nuisance tripping due to small leakage in equipment There are no disadvantages Your answer is correct. Question 12 Correct Mark 1.00 out of 1.00 Which of the following is NOT regarded as a damp situation in AS3000 requiring additional safety precautions? Select one: A garden tap A pool A bath A sauna Your answer is correct. Question 13 Correct Mark 1.00 out of 1.00 The IP protection rating in AS3000 designates the degree of protection against Select one: Fault currents in equipment Solid objects and water Solids, liquids and gasses Touch voltage Your answer is correct. Question 14 Correct Mark 1.00 out of 1.00 The lower the number in the IP rating, the higher the degree of protection.. Select one: True False  Question 15 Correct Mark 1.00 out of 1.00 Which Zone relates to the area immediately above a bath, shower base or pool? Select one: Zone 0 Zone 1 Zone 2 Zone 3 Your answer is correct. Question 16 Correct Mark 1.00 out of 1.00 The Zone with the lowest number has the highest degree of risk in a damp situation.. Select one: True  False Question 17 Correct Mark 1.00 out of 1.00 What is the minimum distance above a sink