Assessment 6- Unit 16 Verify compliance of low voltage systems
  إظهار بيانات الطالب   إظهار التعليمات   تغيير اتجاه الصفحة

رقم السؤال: 1           درجة السؤال: 1
 Before being put into service
 After all testing has been carried out.
 Once the supply has been switched on.
 Once the earthing system has been tested
رقم السؤال: 2           درجة السؤال: 1
 Earth Leakage
 Overload
 Undervoltage
 Overvoltage
رقم السؤال: 3           درجة السؤال: 1
 To provide main equipotential bonding to the system earth
 To connect exposed and extraneous conductive parts to the system earth.
 To provide a connection to earth necessary for proper operation of the equipment.
 To connect the live conductors to earth so the equipment is protected against earth faults
رقم السؤال: 4           درجة السؤال: 1
 It must be fully calibrated
 It must be fitted with a shunt
 It must be tested for insulation resistance
 It must be checked against a known supply
رقم السؤال: 5           درجة السؤال: 1
 Add together the fuse rating for each circuit.
 Add together the individual connected load currents.
 Determine the load on each phase and apply diversity
 Determine the load on each phase and add the values
رقم السؤال: 6           درجة السؤال: 1
 Large circuit currents.
 Large short circuit currents.
 Out of balance circuit currents
 Reduction in circuit currents
رقم السؤال: 7           درجة السؤال: 1
 A lighting circuit
 A water heater circuit
 A security alarm circuit
 A three-phase motor circuit
رقم السؤال: 8           درجة السؤال: 1
 Residual current device.
 Motor rated fuse.
 Starter contactor
 Surge protective device
رقم السؤال: 9           درجة السؤال: 1
 Harzadous
 Restricted
 Dangerous
 Confined
رقم السؤال: 10           درجة السؤال: 1
 How this will affect a continuity of protective conductor test
 Effect this may have on other parts of the installation
 Current and voltage rating of the isolator
 How live testing will be carried out with the isolator open


   



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