⟩ What is combustion Cycle?
A series of thermodynamic processes throughwhich the working gas passes to produce one power stroke. The full cycle is: intake, compression, power, exhaust.
A series of thermodynamic processes throughwhich the working gas passes to produce one power stroke. The full cycle is: intake, compression, power, exhaust.
A circuit wired in 1.5 mm2 thermoplastic (PVC) twin with CPC cable is protected by a 16 A device and is used to supply a 230 V 3 kW water heater. If the cable has a rated voltage drop of 29 mV/A/m and the circuit is 24 m long, the actual voltage drop will be
A non-maintained emergency light is classified as NM3. This means that the luminary will illuminate during
An earthing arrangement that has a PEN conductor is
A residual current device will disconnect under
The most suitable item of equipment to mark a straight line in order to install a horizontal conduit over a distance of 4 m is a
A 50 mm x 50 mm steel trunking has a tabulated space factor of 1037. If the tabulated factor for PVC cable having a cross sectional area of 6 mm2 is 21.2, the maximum number of these cables that can be installed into the trunking is
The four electrical tests that should be carried out on a new ring final circuit before it is energized are
Certain discharge luminaries mounted above rotating machine can give the appearance that the machine is at a standstill. This effect is known as
The Electricity at Work Regulations state that electrical equipment must be maintained to prevent danger. Electrical equipment is defined as all small items of battery-powered equipment up to and including overhead power lines rated at
In order to prevent danger during maintenance operations, a voltage warning notice is required on all electrical accessories where