Answer Happy

6. What is the amount of usable area within trunking using a trunk that has a cross-sectional area equal to 3000 mm? A 1687.5 mm B2000mm C 1987.5 mm 1350 mm 7. What is the maximum number of cables with a diameter 6.2mm that could be installed in a 5000mm trunking? A. 84 874 C.66 D. S5 8. Which statement is correct below, A The selected protective device should have a current rating that is not less than the full load current of the circuit but does not exceed the current cable rating. B. The selected protective device should have a current rating that is not less than the full load current of the circuit but exceeds the current cable rating. C. The selected protective device should have a current rating that is less than the full load current of the circuit but exceeds the current cable rating. D. The selected protective device should have a current rating thas less than the full load current of the circuit, but which does not exceed the current e rating. and is more suitable for 9. Which wiring installation method does not require much cable temporary installations: A. Loop in system B. all the answers are not correct C. Tee system D. Normal Conduit Winning Q2: Ture or false equation (10 marks) 3 or 5dB above any background 1. The sounder device should give a minimum sound level c noise lasting more than 30 seconds (...). cuits ( 2. All Fire systems should include a minimum of one sounce 3. A person searching a zone for a fire should not have to the source of a fire (...) more than 45 m to identify 4. For ceilings that feature an apex: as long as the height is less than 150mm for smokedetectors or less than be treated the same as flat ceilings (...). e apex from the rest of the ceiling for Heat detectors, then these can 5. Smoke detector covers 100m2. Should not exceed any point() Good l