1) inductance is measured in  a) ohms b) henrys c) volts d) amps 2) In a star system voltage can a) be the same b) change c) add up to line voltage d) divide by 3 3) In a delta system voltage a) is divided by 3 b) multiplied by 3 c) always be above a 1000 volts d) be the same in line and phase 4) When dead testing the first test performed is a) end to end b) polarity c) continuity of protective conductors d) insulation resistance 5) In a TN-C-S system the earth loop path includes a) the cable sheath b) the neutral bar c) the supply neutral d) the earth stake 6) Ca is a factor for a) ambient temperature b) air temperatue c) constant amps d) critical amps 7) In is a) design current b) cable current c) protective device d) RCD setting 8) 0.725 is a factor only used with a) BS 88 b) BS3036 c) BS61009 d) BS60898 9) Cg is a factor for a) gradient b) grip c) gravity d) grouping 10) The first dead test on a ring main is a) end to end b) insulation c) R2 d) R1 + R2 11) is a a) statutory document b) a non -statutory document c) NICEIC guide d) ECA guide 12) Ze is a) Internal Resistance b) External Impedance c) Earth Stake  Impedance d) the total impedance 13) Zs = a) (R1+R2) b) (r1+r2) c) Ze + (R1 + R2) d) R1 + R2+R3 14) Capacitance is measured in a) fourads b) amps c) voltage d) farads 15) Ib is a) P/V b) V/P c) V x P d) V x I 16) Ring Final Circuits can be calculated using a) Appendix A b) Appendix C c) Appendix G d) Appendix H 17) Gas pipes are _______________ conductive parts a) extraneous b) exposed c) electrostatic d) external 18) When performing safe isolation it is good practice to seek permission from a) electricity supplier b) customer c) the police d) South West Water 19) When checking for mains polarity if L- N-E are in correct connections you will always get ______________ between Neutral and Earth a) 230 V b) 400 V c) 0 V d) 10 V 20) Who would provide expert advice on site a) consultant b) supervisor c) sub-contractor d) main contractor 21) Which of the following items is not a measured item on a ' take off ' sheet a) 20mm steel conduit b) 100 mm cable tray c) 20mm pvc terminal boxes d) 2.5 mm² pvc/pvc cable 22) What is the ECA a) electrical contracting amaglamation b) electrical contractors amalgamation c) electrical contracting association d) electrical contractors association 23) What is the term ' the monies paid to a customer if a job is not completed on time' a) penalty clause b) compensation c) litigation d) liquidated damages 24) If a contractor or supplier has been 'specified by name in a contract' -what is this known as a) chosen b) nominated c) main d) primary 25) A large company will have which of the following organisational structures a) horizontal b) vertical c) bottom- up d) top-down 26) In contract terminology what term is used for an 'invitation to quote for a contract' a) tender b) benefit c) realisation d) terms 27) What document forms the basis for a 'contractual agreement' between contractor and customer a) a verbal agreement b) a tender c) a penalty clause d) a contract 28) What is the minimum insulation resistance for a 230 volt ring main a) 0.5 M ohm b) 2 M ohm c) 1 M ohm d) 0.25 M ohm 29) Which one of these tests should be repeated 'live' a) ring continuity b) insulation resistance c) continuity of bonding conductors d) polarity 30) What is the voltage for an insulation resistance test on a 230 volt radial circuit a) 1000 volts dc b) 110 volts dc c) 500 volts dc d) 250 volts dc 31) Identify the scale for continuity testing a) low ohms b) Mega ohms c) k Amps d) Amps 32) Damp getting into a cable can lead to what fault a) continuity fault in live conductor b) short circuit c) insulation failure d) poor earth continuity 33) When conducting an R1+R2 continuity test what rest can be carried out at the same time a) continuity of bonding conductors b) insulation resistance c) polarity d) continuity of ring final conductors 34) Which of the following is a 'live' test a) (r1+r2) b) earth electrode resistance c) prospective fault current d) earth continuity test 35) A nail was accidently hammered through a lighting cable. The circuit breaker trips, this is an example of what type of fault a) poor earth continuity b) insulation failure c) continuity fault in the live conductor d) short circuit 36) which is the correct sequence of testing ? a) continuity of cpc, continuity of ring final conductors, insulation resistance, polarity b) ontinuity of cpc, insulation resistance, polarity, continuity of ring final conductors c) nsulation resistance, polarity, continuity of ring final conductors, continuity of cp d) insulation resistance, polarity, continuity of cpc, continuity of ring final conductors 37) what is the function of a 'shorting lead' when conducting Continuity (R1 + R2) tests a) is used for linking'switch lives' during testing b) it completes the live to cpc 'test loop c) t is used to 'bond' the test instrument to Earth during testing d) t is used to connect live to neutral during the Polarity test only. 38) A circuit breaker for a socket circuit is tripping intermittantly. This occurrs even if there is nothing plugged in. The likely cause is ? a) short circuit b) poor earthing continuity c) continuity fault in live conductor d) insulation failure 39) What of the following formula represents inductive reactance?  a) Xc b) XL c) Ǿ d) Ɯ 40) ⎷3 x Vp = a) Line voltage b) Phase voltage c) Line current d) Phase current

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