Worksheets18th Edition Part 6 Mock 1
Total questions: 10
Worksheet time: 20mins
Name
Class
Date
1.
Upon completion of a new electrical installation after successful verification and testing has taken place, what must be issued?
a)
a) A minor works certificate
b)
b) A new installation certificate
c)
c) A periodic inspection certificate
d)
d) An electrical installation certificate
2.
An insulation test on a circuit with a nominal voltage of 600 Volts will require the test instrument to deliver a test voltage of?
a)
a) 250 V
b)
b) 500 V
c)
c) 1000 V
d)
d) 600 V
3.
Which one of these people signs a Minor Electrical Installation Works Certificate?
a)
a) Person ordering the works
b)
b) Inspector
c)
c) Designer
d)
d) Skilled competent persons
4.
What method may be used to confirm the separation of a SELV circuit from other Circuits?
a)
a) By enquiry
b)
b) By measurement
c)
c) By asking the manufacturer
d)
d) By calculation
5.
Who shall make an initial verification of a new installation?
a)
a) The designer
b)
b) The person ordering the work
c)
c) The architect
d)
d) A skilled person
6.
If all of the following tests are required in a new electrical installation, which of the listed tests must be performed first before the installation is energised?
a)
a) Protection by SELV
b)
b) Earth electrode resistance
c)
c) Insulation resistance
d)
d) Polarity
7.
With regards to initial verification and testing, the verification process shall include comparison of the results with the relevant criteria to confirm that the requirements of the regulations?
a)
a) Are the same as the previous test resuIts
b)
b) Are no worse than the previous test results
c)
c) Have been met
d)
d) Have been recorded in the schedule or works results
8.
An insulation test on a PELV circuit must have a minimum IR value of?
a)
a) 0.5 mQ
b)
b) 0.5 MQ
c)
c) 1.0 MQ
d)
d) 1.5 MQ
9.
The frequency of periodic inspection and testing shall be determined by which of the following?
a)
a) The type of installation and equipment
b)
b) The magnitude of the prospective short-circuit current
c)
c) The presence of harmonic distortion
d)
d) Who designed the installation
10.
What is the appropriate Insulation Resistance test voltage for a 400 v a.c. motor in an industrial installation?
a)
a) 250 V a.c.
b)
b) 500 V d.c.
c)
c) 1000 V a.c.
d)
d) 500 V a.c
100 %
