The surface hardness of a metal, alloy, or similar material according to l.A. Brinell's method of measurement. A metal's surface is struck at a given force by a rigid steel ball of a given diameter, and the indentation is measured.
The purpose of a visual inspection is to ensure compliance with BS 7671, Section
Electrostatic sensitive equipment, in transit, need not be protected against damage from
Which of the following has an impact upon earthing?
When a voltmeter is connected in a circuit it is essential that it
Which of the following is not a factor, which would affect the type of termination?
To facilitate ease of installation and assembly of equipment reference is made to
When an ammeter is connected in a circuit it is essential that it
To facilitate safe isolation, voltage indicating devices
Which of the following lamps would not normally form part of a highway electrical system?
Instruments should be regularly calibrated to
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