Which of the following is the minimum short circuit test current for a low resistance ohmmeter?a)300mAb)50mA c)100mAd)200mA
Question:
Which of the following is the minimum short circuit test current for a low resistance ohmmeter?a) 300 mAb) 50mA c)100 mAd) 200 mA
2) If three circuit were connected in a consumer unit a vaules of 200 m ohms, 150 ohms, and 50 ohms, whats would be the overall resistance readings.
a) 400 ohms
B) 200 ohms
C) 31.6 ohms
D) 40.4 ohms
3)what documentation may be used to record fault diagnostics
A) risk assesment
B) EIC
C) the companys fault notification form
D) MEIWC
4) specific regulation within the electricity of work regulations state that they are
absolute what does that mean?
A) that they are advisory regulations only
B) that they must consider the risks involve against time and cost
C) that they must be met regardless of cost
D) that they conform to BS 7671
5)whats the best method for testing continunity of a protective bonding
A) using test method 2
B) an insulation resistance test
C) connecting the line and CPC in the consumer unit together
D) using test method 1
6)to maintain accurate readings, an instrument should
A) be checked against similar instrument
B)be checked daily for wear and tear
c) have the batteries replaced frequently
D) be checked annually against national standards
7)which of the following would be the most likely cause of the last light on a lighting circuit not working when all of the other lights are working
A) short circuit at the origin
B) open circuit of the line conductor at the origin
C) open the circuit of the line conductor in the leg of the circuit
D) short circuit between the line and neutral on the last leg of the circuit
Smith and Roberson Business Law
ISBN: 978-0538473637
15th Edition
Authors: Richard A. Mann, Barry S. Roberts