203 Questions

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Mikeymike

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Yo all anyone whos got the 203 coming up heres a past paper. hope this helps alittle :)

24 Questions & Answers are on the next post.

1: When work has been completed at the end of the installation you should

a: Leave the area unlocked for more efficient start of work

b: Clean and tidy and leave the installation in a safe condition

c: Put your tools away and leave the labourer to tidy the installation

d: Drive away in the works van

2: Excess current that flows in a circuit which is electrically sound or healthy is known as

a: Short circuit

b: Earth fault

c: High resistance fault

d: Overload

3: Electricity is generated at what voltage before transmission

a: 400KV

b: 275KV

c: 25KV

d: 132KV

4: The safe angle when erecting ladders is

a: 25degrees

b: 45degrees

c: 75degrees

d: 80degrees

5: The maximum recommended lifting weight for a healthy adult male is

a: 18Kg

b: 25Kg

c: 15Kg

d: 20Kg

6: After completion of work on a contruction site, we should

a: Leave site clean and tidy & store materials & tools in a safe secure place

b: Put the tools in the back of the van

c: Return the materials to the stores and leave the waste in a pile out of the way

d: Ensure that the site is locked

7: Standard transmission voltages that are used on the Supergrid and National Grid can be respectively

a: 132Kv & 11Kv

b: 275Kv & 400v

c: 400v & 230v

d: 400Kv & 275Kv

8: The fire Extinguishers that are most acceptable to be safe used on electrical fire are

a: Water and carbon dioxide

b: Carbon dioxide and powder

c: Powder and water

d: Foam and water

9: Power factor can be expressed by

a: The dividing of apparent power by true power

b: The dividing of apparent power by reactive power

c: The ratio of apparent power to true power

d: The ratio of true power to apparent power

10: Emploters have to provide under Health & Safety law

a: Breathing apparatus to all employees

b: Relevant safety courses

c: Food and drink facilities

d: Direction to the construction site

11: If the Line voltage in a 3 phase star connected system is 660v, what is the phase voltage

a: 380v

b: 696v

c: 230v

d: 1143v

12: The power rating of a lighting circuit containing fluorescent luminaires can be calculated using the rated power multiplied by

a: 0.725

b: 1.5

c: 1.8

d: 2.0

13: The first procedure to be carried out when arriving on site is

a: Inform your supervisor you have arrived

b: To put the kettle on

c: Isolate the supply

d: To carry out a risk assessment

14: A glow type starter completes an electrical circuit in a fluorescent luminaire using

a: A relay

b: A magnetic field

c: A bi-metallic strip

d: A contactor

15: The first 2 stages of the risk assessment process are

a: Identify the hazard and record the findings

b: Evaluate the risks and prepare an action

c: Evaluate the risks and record the findings

d: identify the hazards and evaluate the risks

16: How do we most commonly obtain safe working voltages when working on a construction site

a: Using an RCD

b: Using a generator

c: Using a transformer

d: Using an MCB

17: A capacitor used for power factor correction in a fluorescent luminaire is connected

a: Across the supply terminals

b: In parallel with the glow type starter

c: Across the choke terminals

d: In series with the glow type starter

18: The quickest and most flexible form of communicating drawings is by

a: Post

b: E-mail

c: Microfiche

d: Fax machine

19: The capacitor connected across the glow type starter in a fluorescent switch start circuit provides

a: Bi-metallic strip switching

b: Power factor correction

c: Radio interference suppression

d: Current limiting

20: One method of ensuring that the drawings are easy to interpret is by using

a: BS EN60898 symbols

b: BS EN61009

c: BS 1362symbols

d: BS EN 60617

21: A resistor and an inductor in a series circuit have a resistance of 6ohms and an inductive reactance of 8ohms respectively. What is the total impedance

a: 14ohms

b: 10ohms

c: 100ohms

d: 12ohms

22: Transformers operate with a lagging power factor and hence are rated in

a: KW

b: KVA

c: KVAr

d: Amperes

23: Waste material that could be considered to be hazardous should be

a: Taken to the nearest council refuse plant

b: Stored in the site container

c: Removed by a licensed contractor

d: Left on site for someone else to deal with

24: Typical distribution voltages for the transmission of electrical power are

a: 400v & 275v

b: 132Kv & 11Kv

c: 275Kv & 400Kv

d: 11Kv & 400v

 
1 b

2 d

3 c

4 c

5 b

6 a

7 d

8 b

9 d

10 b

11 a

12 c

13 d

14 c

15 d

16 c

17 c

18 b

19 c

20 d

21 b

22 b

23 c

24 d

 
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