inductance is measured in , ohms , henrys, volts, amps, In a star system voltage can, be the same, change, add up to line voltage, divide by 3, In a delta system voltage , is divided by 3, multiplied by 3, always be above a 1000 volts , be the same in line and phase, When dead testing the first test performed is, end to end, polarity , continuity of protective conductors, insulation resistance, In a TN-C-S system the earth loop path includes , the cable sheath, the neutral bar, the supply neutral, the earth stake, Ca is a factor for, ambient temperature, air temperatue, constant amps, critical amps, In is , design current, cable current, protective device , RCD setting, 0.725 is a factor only used with, BS 88, BS3036, BS61009, BS60898, Cg is a factor for , gradient, grip, gravity, grouping, The first dead test on a ring main is , end to end, insulation, R2, R1 + R2, is a , statutory document, a non -statutory document, NICEIC guide , ECA guide, Ze is, Internal Resistance, External Impedance, Earth Stake  Impedance, the total impedance, Zs =, (R1+R2), (r1+r2), Ze + (R1 + R2), R1 + R2+R3, Capacitance is measured in, fourads, amps, voltage, farads, Ib is, P/V, V/P, V x P, V x I, Ring Final Circuits can be calculated using , Appendix A, Appendix C, Appendix G , Appendix H, Gas pipes are _______________ conductive parts, extraneous, exposed , electrostatic, external, When performing safe isolation it is good practice to seek permission from, electricity supplier, customer , the police, South West Water, When checking for mains polarity if L- N-E are in correct connections you will always get ______________ between Neutral and Earth, 230 V, 400 V, 0 V, 10 V, Who would provide expert advice on site , consultant, supervisor, sub-contractor , main contractor, Which of the following items is not a measured item on a ' take off ' sheet, 20mm steel conduit, 100 mm cable tray, 20mm pvc terminal boxes, 2.5 mm² pvc/pvc cable, What is the ECA, electrical contracting amaglamation, electrical contractors amalgamation, electrical contracting association, electrical contractors association, What is the term ' the monies paid to a customer if a job is not completed on time', penalty clause, compensation, litigation, liquidated damages, If a contractor or supplier has been 'specified by name in a contract' -what is this known as, chosen, nominated, main, primary, A large company will have which of the following organisational structures, horizontal, vertical, bottom- up, top-down, In contract terminology what term is used for an 'invitation to quote for a contract', tender, benefit, realisation, terms, What document forms the basis for a 'contractual agreement' between contractor and customer, a verbal agreement, a tender, a penalty clause, a contract, What is the minimum insulation resistance for a 230 volt ring main , 0.5 M ohm, 2 M ohm, 1 M ohm, 0.25 M ohm, Which one of these tests should be repeated 'live', ring continuity, insulation resistance, continuity of bonding conductors, polarity, What is the voltage for an insulation resistance test on a 230 volt radial circuit, 1000 volts dc, 110 volts dc, 500 volts dc, 250 volts dc, Identify the scale for continuity testing , low ohms, Mega ohms, k Amps, Amps, Damp getting into a cable can lead to what fault, continuity fault in live conductor, short circuit, insulation failure, poor earth continuity, When conducting an R1+R2 continuity test what rest can be carried out at the same time, continuity of bonding conductors, insulation resistance, polarity, continuity of ring final conductors, Which of the following is a 'live' test, (r1+r2), earth electrode resistance, prospective fault current, earth continuity test, A nail was accidently hammered through a lighting cable. The circuit breaker trips, this is an example of what type of fault, poor earth continuity, insulation failure, continuity fault in the live conductor, short circuit, which is the correct sequence of testing ?, continuity of cpc, continuity of ring final conductors, insulation resistance, polarity, ontinuity of cpc, insulation resistance, polarity, continuity of ring final conductors, nsulation resistance, polarity, continuity of ring final conductors, continuity of cp, insulation resistance, polarity, continuity of cpc, continuity of ring final conductors, what is the function of a 'shorting lead' when conducting Continuity (R1 + R2) tests, is used for linking'switch lives' during testing, it completes the live to cpc 'test loop, t is used to 'bond' the test instrument to Earth during testing, t is used to connect live to neutral during the Polarity test only., A circuit breaker for a socket circuit is tripping intermittantly. This occurrs even if there is nothing plugged in. The likely cause is ?, short circuit, poor earthing continuity, continuity fault in live conductor, insulation failure, What of the following formula represents inductive reactance?  , Xc, XL, Ǿ, Ɯ, ⎷3 x Vp =, Line voltage, Phase voltage, Line current, Phase current.

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