10720891
Descrição
Quiz por james crowley, atualizado more than 1 year ago
|
Criado por james crowley
quase 7 anos atrás
|
|
Questão 1
Questão
When carrying out a continuity test would you expect:
Responda
-
a. A very high reading
-
b. No reading at all
-
c. A variable reading
-
d. A very low reading.
Questão 2
Questão
A fault in an electric circuit can be caused by:
Responda
-
a. Low load
-
b. Heavy load
-
c. Over load
-
d. Limited load.
Questão 3
Questão
Test probes on a multimeter must have a maximum exposed tip of:
Responda
-
a. 1mm
-
b. 2mm
-
c. 3mm
-
d. 4mm.
Questão 4
Questão
When working on a system that has had a section of pipework removed, which of
the following should be used?
Responda
-
a. Permanent polarity bonding
-
b. Permanent earth continuity bonding
-
c. Temporary polarity bonding
-
d. Temporary earth continuity bonding.
Questão 5
Questão
A radiator fitted near to a shower in a bathroom could require:
Responda
-
a. Supplementary bonding
-
b. Main bonding
-
c. Minor bonding
-
d. Additional bonding.
Questão 6
Questão
Where is an MCB fitted?
Responda
-
a. Consumer unit
-
b. Outside socket
-
c. Extension lead
-
d. Electric shower.
Questão 7
Questão
The design, installation and testing of electrical systems is covered by:
Responda
-
a. BS6700
-
b. BS1212
-
c. BS7671
-
d. BS7176.
Questão 8
Questão
The neutral conductor in fixed-cable installations is identified by the insulation
being coloured:
Responda
-
a. Red
-
b. Green/yellow
-
c. Blue
-
d. Brown
Questão 9
Questão
The relationship between current, resistance and voltage is stated in:
Responda
-
a. Boyle’s law
-
b. Ohm’s law
-
c. Charge’s law
-
d. BS7671.
Questão 10
Questão
The type of electricity derived from a battery is:
Responda
-
a. Alternating wattage
-
b. Alternating current
-
c. Direct wattage
-
d. Direct current.
Questão 11
Questão
Calculate the fuse rating for a 690w, 230v AC central heating pump.
Responda
-
a. 13 amp
-
b. 5 amp
-
c. 3 amp
-
d. 1 amp.
Questão 12
Responda
-
a. Insulation resistance tester
-
b. Digital manometer
-
c. Residual current device tester
-
d. Approved voltage tester.
Questão 13
Questão
A domestic consumer unit should be installed:
Responda
-
a. Only where there is three phase supply
-
b. Immediately before the supplier’s sealed fuse unit
-
c. On each ring circuit
-
d. Immediately after the supplier’s meter.
Questão 14
Responda
-
a. Illuminated fused spur
-
b. Double pole pull cord switch
-
c. Single pole rocker plate pull switch
-
d. Wiring centre pull cord.
Questão 15
Questão
Which one of the following appliances should have its own separate connection
to the consumer unit?
Responda
-
a. Immersion heater
-
b. Bathroom light
-
c. Free-standing fan heater
-
d. Gas boiler.
Questão 16
Questão
A boiler, with a rating of 690watt, 230v, 50Hz has been fitted with a 13 amp fuse.
Would you:
Responda
-
a. Leave it as it is
-
b. Change it for a 3 amp fuse
-
c. Fit a 16 amp MCB to protect it
-
d. Warn customer not to touch it.
Questão 17
Responda
-
a. 1 gang surface mounted box
-
b. 1 gang counter sunk box
-
c. 2 gang counter sunk box
-
d. 2 gang surface mounted box.
Questão 18
Questão
Which one of the following could be interrupted by a disconnection of 400v
three-phase supply?
Responda
-
a. Heating of domestic hot water via immersion
-
b. Domestic lighting
-
c. Industrial process
-
d. Domestic ring main.
Questão 19
Questão
The normal voltage for a domestic property is:
Responda
-
a. 415v three phase AC
-
b. 240v single phase DC
-
c. 230v single phase AC
-
d. 110v single phase AC.
Questão 20
Questão
The flow of electricity through both the live and neutral conductor can be turned
off by using:
Responda
-
a. Double pole switch
-
b. Single pole switch
-
c. MCB
-
d. Ring circuit.
Quer criar seus próprios Quizzes gratuitos com a GoConqr? Saiba mais.