PRACtiCE EXAM QUEStiOnS WitH
CORRECt DEtAiLED AnSWERS |
ALREADY GRADED A+<RECEnt
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1. What is a statutory document? - ANSWER LEGAL - H&S at Work
Act, EAWR
2. What is a non statutory document? - ANSWER Not Legal - BS7671,
On-Site Guide, Guidance Note 3, GS 38
3. What equipment is used for safe isolation? - ANSWER 1) approved
Voltage indicator
2) proving unit
3) lock and key device
4) warning notices
5) relevant PPE
4. Process of Safe Isolation? - ANSWER 1) identify means of isolation -
determine what is to be worked on
2) obtain permission to isolate
3) switch off
4) lock off
5) secure key - keep on person
6) select approved voltage indicator
7) test voltage indicator on known source (proving unit)
8) test between all conductors (3 test for single phase, 10 tests for 3 phase)
, 9) re-test voltage indicator
5. Explain all supply systems - ANSWER TN-S:
Cable sheath earth (usually 2 core SWA). Zs path is via the cable
sheathing. Max Ze = 0.8 ohm
6. TN-C-S:
Concentric cable (CNE). Middle core is line conductor, outer core is
combined N and E. Zs path is through the earth into the N &E conductor in
CNE cable. Max Ze = 0.35 ohm
TT:
Local earth electrode. Zs path is through general mass of earth to
electrode at substation. Max Ze = 200 ohm
Which year was the supply of materials containing asbestos banned? -
ANSWER 2000
7. Why is asbestos in buildings particularly relevant to electricians and other
trades? - ANSWER Much of the asbestos will be hidden in the
fabric of the building so not immediately obvious
8. Before starting work in a commercial property, what should you check? -
ANSWER The plan or register of asbestos present in the building
9. If there is no register or survey or the report is not clear what should you
do? - ANSWER Do not start work, or, alternatively, assume that
anything you are going to disturb contains asbestos
10.How should everyone who works with, or may disturb asbestos, be
treated? - ANSWER They must receive training, even if they are self
employed
,11.How does most work with asbestos need to be carried out? -
ANSWER By a licensed contractor
12.Which work can be carried out by non-licensed people - ANSWER
Work which is short duration
13.What does 'short duration' mean? - ANSWER Any one person doing
this type of work for less than one hour, or more people doing the work
for a total of less than two hours, in any seven consecutive days. The total
time spent by all workers must not exceed two hours.
14.When calculating the time spent working with asbestos is time spent
setting up, cleaning and clearing up included? - ANSWER Yes
15.Is work on asbestos-containing textured
coatings, such as artex, classed as non-licensed? - ANSWER Yes
16.What is the technical name for blue asbestos? - ANSWER Crocidolite
17.What is the technical name for brown asbestos? - ANSWER Amosite
18.What is the technical name for white asbestos? - ANSWER Chrysotile
19.Which document is all other statutory health and safety regulations based
on? - ANSWER Health and Safety at Work Act
20.What does the term 'statutory' mean? - ANSWER Legally required,
must be done
, 21.Which year did the Health and Safety at Work Act come into force in the
UK? - ANSWER 1974
22.Whose duty is it to keep employees safe in the work place? -
ANSWER Employers
23.Whose duty is it to keep contractors safe in the work place? -
ANSWER Employers
24.Whose duty is it to keep visitors safe in the work place? - ANSWER
Employers
25.Define covered storage. - ANSWER Storage space within any roofed
structure.
26.What is the most common warehouse facility found throughout the AF? -
ANSWER General-purpose storage warehouse.
27.What is the temperature range of a refrigerated chill space in a storage
warehouse? - ANSWER 32-50 °F (0 - 10 °C).
28.Define an open storage area - ANSWER An open area designed for
storing items that do not require protection from the weather.
29.What are the two types of open storage areas? - ANSWER Improved
and unimproved