Unit 203 Revision Question Bank No.2

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Questão 1 de 40

If a steel wire armoured cable had an overall diameter of 16mm what would be the maximum spacing of clips on a horizontal run

Selecione uma das seguintes:

250mm
450mm
400mm
0.5m

Explicação

Questão 2 de 40

If Band 1 and Band 2 circuits are run through the same trunking what special requirements must you achieve?

Selecione uma das seguintes:

Cables to be run in the opposite direction
Cables are installed in separate compartments
Are not permitted in Trunking
Must be able to carry the same colour Live and Neutral conductors

Explicação

Questão 3 de 40

If the ambient temperature increases the copper cable will

Selecione uma das seguintes:

Increase resistance
Decrease resistance
Stay the same
Will melt

Explicação

Questão 4 de 40

If the distance of an interactive whiteboard is 2m and the measurement taken is 4cm what is the scale of the drawing

Selecione uma das seguintes:

1:20
1:100
1:40
1:50

Explicação

Questão 5 de 40

If the distance of a wall is 4m and the measurement taken by the drawing is 4cm what is the scale

Selecione uma das seguintes:

1:75
1:100
1:50
1:20

Explicação

Questão 6 de 40

In a switch started fluorescent tube circuit, the function of the choke when the lamp is lit, is to

Selecione uma das seguintes:

Limit current flowing in the lamp
Produce a voltage surge across the lamp
Cause current in the circuit to leap voltage.
Increase current flow in the circuit

Explicação

Questão 7 de 40

In electrical systems, the definition of isolation is:

Selecione uma das seguintes:

Placing conductors from each circuit in separate conduit
Protecting each circuit by a separate circuit breaker
Cutting off electrical energy from every power source
Isolating circuits & equipment from the general mass of earth

Explicação

Questão 8 de 40

In order to determine types of materials and quantities required to complete an electrical installation, an estimator will require:

Selecione uma das seguintes:

Operating sheets & manufacturers' models
Exploded view diagrams & data sheets
A technical drawing & data sheet
Specification & wiring diagram

Explicação

Questão 9 de 40

For large number of computers installed on a large [LAN] network, what cable would you use?

Selecione uma das seguintes:

Steel wired armour
Fibre optics
PVC
MICC

Explicação

Questão 10 de 40

On a construction site the voltage to be used for power tools is restricted to

Selecione uma das seguintes:

110V AC
230V AC
110V DC
55V AC

Explicação

Questão 11 de 40

On site, where a crane is operating overhead, in addition to a safety helmet an electrician should wear

Selecione uma das seguintes:

Face mask
A high visibility jacket
Rubber soled shoes
A donkey jacket

Explicação

Questão 12 de 40

Operating characteristics information supplied with electric motors by the manufacturers is in the form of:

Selecione uma das seguintes:

Data sheets
Memoranda
Circuit diagrams
Wiring diagrams

Explicação

Questão 13 de 40

Overload can occur in a circuit if

Selecione uma das seguintes:

A short circuit is present between line and neutral
The circuit is electrically sound
Between two conductors at different potentials
If there is a loose connection of conductors

Explicação

Questão 14 de 40

PVC & metal conduit are fixed using:

Selecione uma das seguintes:

Crampets
Spiral fixings
Cleats
Saddles

Explicação

Questão 15 de 40

Solar Thermal installations work on which principle

Selecione uma das seguintes:

Water passes through the panel allowing the generator to rotate.
Wind hits the panels and creates an electro motive force through the semiconductor material
Sun hits the panels and warms up the water.
Sun hits the panels and turn into electricity

Explicação

Questão 16 de 40

The British Standard for a cartridge fuse used in 13A plug tops

Selecione uma das seguintes:

BS 88
BS 1361
BS 1362
BS 3036

Explicação

Questão 17 de 40

The cables that connect between two 2 way switches are said to be called

Selecione uma das seguintes:

Switch wires
Strippers
Switch lines
Strappers

Explicação

Questão 18 de 40

The distribution supply cable to a building is usually:

Selecione uma das seguintes:

Steel Wire Armoured
PVC sheathed & insulated
PVC insulated in steel conduit
Mineral Insulated

Explicação

Questão 19 de 40

The earthing arrangement when incoming supply cable sheath provides an independent earth is

Selecione uma das seguintes:

TN - C
TT
TN - S
TN - C - S

Explicação

Questão 20 de 40

The main reason to fix cable to walls on horizontal runs using appropriate clips at suitable intervals is to prevent:

Selecione uma das seguintes:

Untidy appearance
Stress on the cable
Stop the cable being pulled down
Stray magnetic fields

Explicação

Questão 21 de 40

The maximum disconnection time for a circuit over 32A is

Selecione uma das seguintes:

1 second
0.4 seconds
0.2 seconds
5 seconds

Explicação

Questão 22 de 40

The maximum number of accidents on a construction site is due to

Selecione uma das seguintes:

Falling/tripping/manual handling
Falling/manual handling/use of equipment
Tripping/manul handling/use of equipment
Use of materials/falling/manual handling

Explicação

Questão 23 de 40

The maximum span between buildings for unjointed 25mm diameter steel conduit is

Selecione uma das seguintes:

2m
3m
2.5m
1.5 m

Explicação

Questão 24 de 40

The most accurate method of forming right angle bends in steel conduit is:

Selecione uma das seguintes:

A vice and heat source
A wooden block
The knee
A bending machine

Explicação

Questão 25 de 40

The most important factor when selecting a cable of known rating is:

Selecione uma das seguintes:

Colour of insulation
The temperature of operation
Shape of the outer sheath
Distance between cable cores

Explicação

Questão 26 de 40

The purpose of the day work sheet is to record

Selecione uma das seguintes:

All worked hours
Hours worked in addition to the main contract
All work to be carried out in one day
Any work related expenses to be claimed from petty cash

Explicação

Questão 27 de 40

The purpose of the pvc sheath on a pvc/pvc multicore cable is to

Selecione uma das seguintes:

Prevent damage to insulation
Provide a CPC
Provide a fixing point for plug cord grips
Colour code the cable

Explicação

Questão 28 de 40

The rating of an RCD installed to provide additional protection for equipment used outside the main equipotential zone is?

Selecione uma das seguintes:

30mA
500mA
100mA
50mA

Explicação

Questão 29 de 40

The standard transmission high voltage is

Selecione uma das seguintes:

11kV
400V
11kV
400kV

Explicação

Questão 30 de 40

The stop button used to allow isolation of electrical equipment for maintenance must:

Selecione uma das seguintes:

Easy to re-close
Placed close to the incoming supply
Able to be bypassed
Be impossible to re-close unintentionally

Explicação

Questão 31 de 40

The symbol Ca is used to represent which rating factor

Selecione uma das seguintes:

Thermal Insulation
Installation Condition
Ambient temperature
Grouping

Explicação

Questão 32 de 40

To mark out metal trunking for cutting, you would use:

Selecione uma das seguintes:

Rule, square & scriber
Gauge, level & tape
Knife, hammer & screwdriver
Vee block, saw & chisel

Explicação

Questão 33 de 40

Vertical & horizontal runs of trunking must be adequately supported to:

Selecione uma das seguintes:

Provide earth continuity
Avoid stress & damage to the cable
Prevent possible fire damage
Prevent distortion to the trunking

Explicação

Questão 34 de 40

Which cable type is most suitable for cable cleats?

Selecione uma das seguintes:

Singles
Steel wire armoured
MICC
PVC/PVC/CPC

Explicação

Questão 35 de 40

What conductor is used to connect to extraneous conductive parts?

Selecione uma das seguintes:

Main Protective Bonding conductor
Main Earthing conductor
Circuit Protective conductor
Earth Sleeving

Explicação

Questão 36 de 40

What does the following picture show?

Selecione uma das seguintes:

Spacer Bar Saddle
Cable Cleat
Hospital Saddle
Crampet

Explicação

Questão 37 de 40

What fixings would be used on a hollow partition wall?

Selecione uma das seguintes:

Rawl plug
Spring toggle
Screw
Cable cleat

Explicação

Questão 38 de 40

What fixings would be used on a brick wall?

Selecione uma das seguintes:

Rawl plug and round headed wood screw
Spring toggle
Self-adhesive tape
Gravity toggle

Explicação

Questão 39 de 40

What form of switching is used on a security system?

Selecione uma das seguintes:

Relay
Contactor
Direct on line starter
One way switch

Explicação

Questão 40 de 40

What is the conduit factor for a 4m 20mm conduit which incorporates two bends?

Selecione uma das seguintes:

Explicação

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	Criado por Oliver Balay quase 9 anos atrás

C&G 2365 Level 2 Unit 203 Revision (Bank 2) OB

Unit 203 Revision Question Bank No.2

Questão 1 de 40

If a steel wire armoured cable had an overall diameter of 16mm what would be the maximum spacing of clips on a horizontal run

Selecione uma das seguintes:

Explicação

Questão 2 de 40

If Band 1 and Band 2 circuits are run through the same trunking what special requirements must you achieve?

Selecione uma das seguintes:

Explicação

Questão 3 de 40

If the ambient temperature increases the copper cable will

Selecione uma das seguintes:

Explicação

Questão 4 de 40

If the distance of an interactive whiteboard is 2m and the measurement taken is 4cm what is the scale of the drawing

Selecione uma das seguintes:

Explicação

Questão 5 de 40

If the distance of a wall is 4m and the measurement taken by the drawing is 4cm what is the scale

Selecione uma das seguintes:

Explicação

Questão 6 de 40

In a switch started fluorescent tube circuit, the function of the choke when the lamp is lit, is to

Selecione uma das seguintes:

Explicação

Questão 7 de 40

In electrical systems, the definition of isolation is:

Selecione uma das seguintes:

Explicação

Questão 8 de 40

In order to determine types of materials and quantities required to complete an electrical installation, an estimator will require:

Selecione uma das seguintes:

Explicação

Questão 9 de 40

For large number of computers installed on a large [LAN] network, what cable would you use?

Selecione uma das seguintes:

Explicação

Questão 10 de 40

On a construction site the voltage to be used for power tools is restricted to

Selecione uma das seguintes:

Explicação

Questão 11 de 40

On site, where a crane is operating overhead, in addition to a safety helmet an electrician should wear

Selecione uma das seguintes:

Explicação

Questão 12 de 40

Operating characteristics information supplied with electric motors by the manufacturers is in the form of:

Selecione uma das seguintes:

Explicação

Questão 13 de 40

Overload can occur in a circuit if

Selecione uma das seguintes:

Explicação

Questão 14 de 40

PVC & metal conduit are fixed using:

Selecione uma das seguintes:

Explicação

Questão 15 de 40

Solar Thermal installations work on which principle

Selecione uma das seguintes:

Explicação

Questão 16 de 40

The British Standard for a cartridge fuse used in 13A plug tops

Selecione uma das seguintes:

Explicação

Questão 17 de 40

The cables that connect between two 2 way switches are said to be called

Selecione uma das seguintes:

Explicação

Questão 18 de 40

The distribution supply cable to a building is usually:

Selecione uma das seguintes:

Explicação

Questão 19 de 40

The earthing arrangement when incoming supply cable sheath provides an independent earth is

Selecione uma das seguintes:

Explicação

Questão 20 de 40

The main reason to fix cable to walls on horizontal runs using appropriate clips at suitable intervals is to prevent: