17th Edition 2382 MOCK exam from past papers with answers - No. 2 | SparkyFacts.co.uk

MOCK EXAM from past papers - No. 2

31) When designing a single circuit, correction factors are to be used and applied to the
a) design current of the circuit
b) nominal rating of the protective device
c) maximum demand of the installation
d) current carrying capacity of the cable

32) When determining design current, the correction factor that is applied to a BS3036 rewirable fuse is
a) 0.752
b) 0.527
c) 0.725
d) 1.725

33) A BS3036 protective device is also known as a
a) circuit breaker
b) cartridge fuse
c) RCBO
d) semi enclosed rewirable fuse

34) A BS1361 protective device is also known as a
a) circuit breaker
b) cartridge fuse
c) RCD
d) semi enclosed rewirable fuse

35) A BS EN 60898 protective device is also known as a
a) circuit breaker
b) cartridge fuse
c) RCD
d) semi enclosed rewirable fuse

36) An installation protected by an RCD shall have a fixed notice stating
a) the test button should be pressed occasionally
b) the test button should be pressed monthly
c) the test button should be pressed quarterly
d) the test button should be pressed at 6 monthly intervals


37) Which of the following does not give protection against basic contact
a) barrier or enclosure
b) obstacles
c) insulation of live parts
d) supplementary bonding

38) When insulated a PEN conductor shall be identified with
a) blue insulation along its length
b) green insulation and blue markings at the termination
c) green and yellow insulation and blue markings at the termination
d) green and yellow insulation along its length

39) An insulated monitoring device (IMD) installed in a location where unskilled personnel have access shall be designed or installed in such a way that it
a) will indicate any important increase of the insulation level of the system
b) is possible to modify the settings, without the use of a key or a tool or a password
c) shall not be possible to modify the settings, without the use of a key or a tool or a password
d) is set to a higher value corresponding to the normal insulation of the system

40) The metallic pipe of a water utility supply shall not be used as an earth electrode. Other metallic water supply pipe work may be used as an earth electrode if it has been considered for such a use, and
a) it is adequately buried in the ground
b) precautions are taken against its removal
c) is protected against mechanical damage
d) is adequately lagged

41) In Great Britain the use of combined protective neutral (PEN) conductors is prohibited in consumers installations by which regulation
a) the electricity at work regulations 1989
b) the supply of machinery (safety) regulations 1992
c) the IEE wiring regulations
d) the electricity safety, quality and continuity regulations 2002

42) On a 230v a.c. installation, the minimum value of insulation resistance is
a) 10.0MΩ
b) 2.0MΩ
c) 1.0MΩ
d) 0.5MΩ

43) The paperwork that should be issued on completion of a new installation is
a) a fully completed test sheet
b) an NICEIC test results sheet
c) a periodic inspection report
d) a schedule of test results, schedule of inspection and an electrical installation certificate

44) An insulation resistance test is carried out to verify
a) fuse rating is correctly calculated
b) there is sufficiently low resistance to operate the protective device within its limits
c) there is sufficient circuit protection
d) there is no breakdown of the conductor insulation

45) An electrical installation certificate must indicate responsibility for the installation's
a) materials, design and construction
b) design, inspection and testing
c) design, construction, inspection and testing
d) technical drawings and plans


sparkyfacts

Guides, Tips & Tricks for Electrical Courses, Qualifications and Exams. Copyright © 1998-2015. All Rights Reserved.