Question: ns A answers (L2.4) SmartScreen Electrical Installations (Buildings and Structures) Sample questions A answers 16. Which one of the following is the value of voltage

ns A answers (L2.4) SmartScreen Electrical
ns A answers (L2.4) SmartScreen Electrical Installations (Buildings and Structures) Sample questions A answers 16. Which one of the following is the value of voltage drop, per ampere, per metre, (L3.3) for a 10mm multi-core flat thermoplastic 70 C cable, intended to supply a single-phase circuit? a ) 44 mV/A/m 11 mVIA/m 4.4 mVIA/m 2.8 mV/A/m 17. Which one of the following is the maximum current carrying capacity for a (L3.3) single-core 6mm2 70 C thermoplastic insulated non-armoured cable, enclosed in conduit on a wall installed for a single-phase circuit? a ) 31A 32A cheo priwollot eris to eno sowwy Las 36A 41A orte al einer 18. Which one of the following is the value of voltage drop, in millivolts per ampere (L3.3) per metre, for a 4mm multi-core thermosetting non-armoured cable, intended to supply a single-phase circuit? a ) 29 mV/A/m 18 mVIA/m el prilwollor er to eno rainW 11 mV/A/m this to erion leni na to. Isnirmal pairthise nism 7.3 mV/A/m evilbelong nieM 19. Which one of the following devices is suitable for an installation supplying an X- (L3.4) ray machine in a hospital? BS 3036 rewireable fuse BS EN 60898 Type D slurrnot gniwollof arti ni . yd beinseeger al farty 205 BS EN 60898 Type C BS EN 60898 Type B 20. Which one of the following devices will disconnect in the fastest time if a short (L3.4) circuit current of approximately 400A occurred on a circuit? 32A/30mA Type C RCBO 32A Type B circuit breaker ism' met jet ent samtob uniwollol erit to eno islaw 32A Type C circuit breaker of aMent anil roidwoloubriga erT 32A Type D circuit breaker al TAM 21. Which one of the following is the minimum conduit size suitable for a short (L3.6) straight run containing the following stranded cables 4 x 1.5mm 3 x 2.5mm? ? subnoo getlov amse ordi of aheg evitoubrioo evoensthe peist of 16mm 20mm 25mm ibnoo Just ghee ishmy 32mm 22 Which one of the following is the minimum conduit size suitable for a short (L3.6) straight run containing the following stranded cables: 8 x 1.5mm . 2 x 2.5mm2 niwollot gril to eno rain 2 x 4.0mm?? 16mm 20mm griboub Bruno libribo 25mm 9 comea lio after 32mm 2025 City and Guilds of London Institute. All rights reserved. Page 3 of 6 www.SmartScreen.co.uk

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