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Electrical Christmas

Total questions: 40

Worksheet time: 24mins

Name
Class
Date
1.

Which one of the following is defined as a special location in BS 7671

a)

swimming pools

b)

shops

c)

car parks

d)

shopping area

2.

When might a variation order be issued by an architect to a contractor?

a)

When the client requires a progress update

b)

When the architect has restyled a design

c)

When a client wishes to alter their plans

d)

When the architect wants to reduce the cost of materials

3.

Thermoplastic cable has insulation suitable for a conductor temperature of

a)

70 Degrees Celsius

b)

90 Degrees Celsius

c)

120 Degrees Celsius

d)

160 Degrees Celsius

4.

The insulation material in mineral insulated cable is

a)

manganese oxide

b)

magnesium dioxide

c)

manganese dioxide

d)

magnesium oxide

5.
what is the electrical symbol shown?
a)
Double poll switch
b)
emergency light
c)
double socket
d)
Pull switch
6.
Identify the electrical symbol
a)
1 way switch
b)
2way switch
c)
intermediate switch
d)
flux capacitor
7.
What is the BS number for a MCB?
a)
BS 60898
b)
BS 1265
c)
BS 61009
d)
BS 60947
8.
What is the Correction factor symbol for ambient temperature?
a)
Ca
b)
Ci
c)
Cg
d)
Cf
9.
What is the correction factor when using a semi enclosed fuse?
a)
0.80
b)
0.35
c)
0.725
d)
21
10.
Name the extraneous conductive part
a)
Socket cover
b)
PVC switch
c)
Central heating pipework
d)
Cable tray
11.
Identify the exposed conductive part.
a)
PVC conduit
b)
Metal trunking
c)
Ventilation ductwork
d)
oil pipes
12.
which earthing system requires an earth electrode?
a)
TNC
b)
TNS
c)
TN-C-S
d)
TT
13.
Which earthing system uses a combined earth and neutral conductor?
a)
TN-C-S
b)
TT
c)
TNS
d)
TNC
14.
Who wrote How the Grinch Stole Christmas?
a)
Charles Dickens
b)
Dr. Seuss
c)
Dr. Phil
d)
J.K. Rowling
15.
How do you say Merry Christmas in Spanish?
a)
Noel
b)
Feliz Navidad
c)
Buenos Dias 
d)
Hola
16.
What is the name of the Grinch's dog?
a)
Pete
b)
Sam
c)
Fido
d)
Max
17.
What is the name of the main character in the movie Elf?
a)
Bobby
b)
Buddy
c)
Ricky
d)
Charlie
18.
On the seventh day of Christmas, what did my true love give to me according to the song?
a)
Gold rings
b)
Maids a milking
c)
Swans a swimming
d)
Pipers piping
19.
In the movie Home Alone, where does the family go for Christmas when they leave Kevin at home?
a)
New York City
b)
Florida
c)
Venice
d)
Paris
20.
A year contains 365 days normally, so on what number day does Christmas fall on?
a)
350
b)
355
c)
359
d)
360
21.

What is the current in a circuit with 6 ohms of resistance and a battery containing 24 Volts?

a)

1/4 A

b)

144 A

c)

4 A

d)

0.4 A

22.
What is Resistance?
a)
The flow of electrons
b)
Electric potential difference
c)
A battery
d)
The ability to reduce the flow of electrons
23.
What voltage is needed to cause a 2A current flow through a 10Ω resistor?
a)
5V
b)
0.2V
c)
20V
d)
200V
24.

What is the maximum permissible voltage drop on a socket circuit fed from a 230v system fed from a public supply?

a)

230v

b)

20v

c)

11.5v

d)

6.9v

25.

What is the maximum permissible voltage drop on a lighting circuit fed from a 230v system fed from a public supply?

a)

230v

b)

20v

c)

11.5v

d)

6.9v

26.
a)
Kindle
b)
Kinder
c)
Kindy
d)
Kinex
27.
a)
Krispy Kreme
b)
Spy Me
c)
Whispy Fame
d)
Tripsy Time 
28.
a)
Highlander
b)
Hyundai
c)
Honda
d)
Hillman
29.
a)
Nutila
b)
Nuttela
c)
Nutella
d)
Nuteela
30.

What song says, "what a bright time, it's the right time"?

a)

'Jingle Bell Rock'

b)

'The Christmas Song'

c)

'Santa Clause Is Coming To Town'

d)

'Silent Night'

31.

What song says, "in the meadow we can build a snowman"?

a)

'Baby, It's Cold Outside'

b)

'White Christmas'

c)

'Winter Wonderland'

d)

'Deck The Halls'

32.

What is the type of wire for household domestic wiring?

a)

Flexible PVC or PVC/PVC

b)

House Service overhead System (H.S.O.S)

c)

Mineral Insulated Copper Sheathed (M.I.C.S)

d)

Paper Insulated Lead Sheath Steel Tape Armoured

33.

How does Capacity of Voltages and Current can effect the choosen of wire and cable?

a)

Bigger wire will be able handle higher voltage

b)

Able to resist biting or gnawing of vermins or rodents

c)

Voltage drop will exceed 2.5% of voltage supply

d)

Anti-corrosive to chemical or acid.

34.

What colour is a 30 A 3036 fuse?

a)

Blue

b)

White

c)

Red

d)

Green

35.
RCD's that are used to protect socket outlet are rated at
a)
30 A
b)
30 mA
c)
3 mA
d)
300 mA
36.
The symbol Ze is associated with
a)
total loop impedance
b)
external suppliers earth loop impedance
c)
R1
d)
R2
37.

The symbol for Total earth loop impedance is?

a)

Zs

b)

Ib

c)

Iz

d)

Ze

38.
Which MCB will disconnect in the shortest time?
a)
Type C
b)
Type D
c)
Type B
d)
RCD
39.

Which one of the following symbols represents the rating factor for thermal insulation

a)

Ci

b)

Ca

c)

Cf

d)

Cg

40.

What does LSF stand for as in cable type?

a)

Lots of small filings

b)

light sheath fire

c)

Low smoke and fume

d)

lots of stranded fibres

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