2833100
Beschreibung
Quiz von Oliver Balay, aktualisiert more than 1 year ago
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Erstellt von Oliver Balay
vor mehr als 9 Jahre
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Frage 1
Frage
Which one of the following directly affects all persons working with electricity in a working environment?
Antworten
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Electricity Safety, Quality and Continuity Regulations
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BS 7671
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Electricity at Work Regulations
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Construction design and management Regulations
Frage 2
Frage
Which one of the following are non-statutory regulations?
Antworten
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Electricity at Work Regulation
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Manual Handling Regulation
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BS 7671
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Provision and Use of Work Equipment Regulations
Frage 3
Frage
Which one of the following is a direct implication of not complying with statutory regulations?
Antworten
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Loss of earnings
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Lost clients
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Dismissal
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Prosecution
Frage 4
Frage
The document showing the location of electrical equipment in an electrical installation is a:
Antworten
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specification
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drawing
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variation order
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Gantt chart
Frage 5
Frage
Which one of the following diagram types does not show individual conductors or cables but shows the sequence of equipment?
Antworten
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Block
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Circuit
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Schematic
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Bar chart
Frage 6
Antworten
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one-way switch
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two-way switch
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intermediate switch
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pull switch
Frage 7
Frage
Which one of the following is the correct drawing scale where a wall, 4m in length, measures 8cm on a drawing?
Antworten
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1:50
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1:100
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1:200
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1:500
Frage 8
Frage
A drawing is produced to a scale of 1:50 showing a socket outlet installed 3.5cm from the corner of a room. Which one of the following is the actual distance from the corner in the room?
Antworten
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0.875m
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1.75m
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3.5m
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7m
Frage 9
Frage
A circuit installed to supply a fire panel would be identified as:
Antworten
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power and heating
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data communication
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control circuit
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alarm and emergency system
Frage 10
Frage
The type of trunking that can be used as a circuit protective conductor is:
Antworten
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mini
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PVC dado
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steel
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plastic
Frage 11
Frage
The insulation material of mineral insulated metal sheathed cables is absorbent; therefore the terminations must be:
Antworten
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watertight
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correctly identified
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fitted with a gland
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fitted with a shroud
Frage 12
Frage
Additional cable supports should be provided in trunking where:
Antworten
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segregation is required
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there are long vertical runs
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trunking is made of plastic
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the walls are made of lightweight block
Frage 13
Frage
Band I and Band II circuits can be enclosed in the same enclosure, provided that:
Antworten
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the current rating of all circuits does not exceed 10A
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they are twisted around each other along the trunking length
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every cable or conductor is insulated for the highest voltage present
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there are the same number of Band I and Band II circuits
Frage 14
Frage
Which one of the following is the type of conduit fixing shown?
Antworten
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Cleat
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Clip
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Crampet
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Saddle
Frage 15
Frage
Which one of the following symbols represents the rating factor for thermal insulation?
Antworten
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Ci
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Ca
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Cf
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Cg
Frage 16
Frage
Which one of the following is the value of voltage drop, per ampere, per metre, for a 10mm2 multi-core flat thermoplastic 70°C cable, intended to supply a single phase circuit?
Antworten
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44 mV/A/m
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11 mV/A/m
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4.4 mV/A/m
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2.8 mV/A/m
Frage 17
Frage
Which one of the following is the maximum current carrying capacity for a single core 6mm2 70°C thermoplastic insulated non armoured cable, enclosed in conduit on a wall installed for a single phase circuit?
Antworten
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31A
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32A
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36A
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41A
Frage 18
Frage
Which one of the following is the value of voltage drop, in millivolts per ampere per metre, for a 4mm2 multi core thermosetting non armoured cable, intended to supply a single phase circuit?
Antworten
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29 mV/A/m
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18 mV/A/m
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11 mV/A/m
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7.3 mV/A/m
Frage 19
Frage
Which one of the following devices is suitable for an installation supplying an X-ray machine in a hospital?
Antworten
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BS 3036 rewireable fuse
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BS EN 60898 Type D
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BS EN 60898 Type C
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BS EN 60898 Type B
Frage 20
Frage
Which one of the following devices will disconnect in the fastest time if a short circuit current of approximately 400A occurred on a circuit?
Antworten
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32A/30mA Type C RCBO
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32A Type B circuit breaker
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32A Type C circuit breaker
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32A Type D circuit breaker
Frage 21
Frage
Which one of the following is the minimum conduit size suitable for a short straight run containing the following stranded cables:
• 4 x 1.5mm2
• 3 x 2.5mm2?
Antworten
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16mm
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20mm
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25mm
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32mm
Frage 22
Frage
Which one of the following is the minimum conduit size suitable for a short straight run containing the following stranded cables:
• 8 x 1.5mm2
• 2 x 2.5mm2
• 2 x 4.0mm2?
Antworten
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16mm
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20mm
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25mm
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32mm
Frage 23
Frage
Which one of the following is the conduit capacity factor to be used where a 25mm conduit has 2 bend in a 6m run?
Antworten
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111
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182
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333
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600
Frage 24
Frage
The electrical system in which the connection to earth is by an earth electrode is:
Antworten
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TT
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TN-S
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TN-C
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TN-C-S
Frage 25
Frage
Which one of the following earthing arrangements is shown in the diagram?
Antworten
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TN-C-S
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TT
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TN-C
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TN-S
Frage 26
Frage
Which one of the following is the correct name of the component which links the main earthing terminal of an installation to the means of earthing?
Antworten
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Main protective bonding conductor
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Supplementary equipotential bond
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Earthing conductor
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Functional earth
Frage 27
Frage
What is represented by Zs in the following formula:
Zs = Ze + (R1 + R2)?
Antworten
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Total earth fault loop impedance
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External earth fault loop impedance
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Final circuit earth fault loop impedance
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Combined resistance of the earth path
Frage 28
Frage
Which one of the following defines the term ‘main protective bonding conductor’?
Antworten
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The conductor which links the MET to an earth electrode
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The conductor which links the MET to extraneous conductive parts
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The conductor which links the MET to exposed conductive parts
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The conductor which links the MET to the means of earthing
Frage 29
Frage
Which one of the following is the purpose of the main protective bonding conductor?
Antworten
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To raise extraneous conductive parts to the same voltage as the supply under overload
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To raise extraneous conductive parts to the same voltage as the supply under earth fault conditions
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To raise extraneous conductive parts to the same voltage as the supply under normal conditions
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To raise extraneous conductive parts to the same voltage as the supply under transient fault conditions
Frage 30
Frage
Which one of the following is an exposed conductive part?
Antworten
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Metal-clad switch
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Structural steelwork
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Air conditioning ducting
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Metallic oil service pipe
Frage 31
Frage
Which one of the following is metal cable trunking?
Antworten
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Earthed conductive part
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Extraneous conductive part
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Insulated part
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Exposed conductive part
Frage 32
Frage
Which one of the following is an extraneous conductive part?
Antworten
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Metallic gas service pipe
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Metal-clad twin socket outlet
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Heavy duty steel conduit
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PVC mini-trunking
Frage 33
Frage
Which one of the following methods of generating electricity uses fossil fuels?
Antworten
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Wave power
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Solar
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Gas
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Wind
Frage 34
Frage
Which one of the following uses sunlight to generate electricity?
Antworten
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Photo-voltaic
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Biomass
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Wind
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Air source heat pump
Frage 35
Frage
Which one of the following is a transmission voltage?
Antworten
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400kV
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33kV
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11kV
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400V
Frage 36
Frage
Which one of the following is a typical distribution voltage for a medium-sized factory where a private sub station is located?
Antworten
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230V
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400V
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5kV
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11kV
Frage 37
Frage
In which of the following parts of the electrical distribution network would a step-down transformer be located?
Antworten
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Power station
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Pylon
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Local distribution sub station
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Inverter
Frage 38
Frage
Which one of the following describes the process of a solar photo voltaic system?
Antworten
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Solar power is used to ignite a biomass which heats up water
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Solar power is collected by a solar panel which provides electricity
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Solar power is collected by a solar panel which provides hot water
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Solar power causes hot air to rise, rotating a generator that produces electricity
Frage 39
Frage
Which one of the following is a suitable use for rainwater harvesting?
Antworten
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Baths/showers
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Toilet flushing
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Drinking water
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Cooking water
Frage 40
Frage
Which one of the following micro-generation systems requires the least maintenance once installed?
Antworten
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Micro-combined heat and power
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Air source heat pump
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Biomass
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Solar thermal
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