⟩ Explain tree?
A group of domain is called tree and sharing a contiguous Name Space.
A group of domain is called tree and sharing a contiguous Name Space.
A 110 V, centre-tapped earth, reduced low voltage supply for power tools provides a voltage of
The five main stages of the risk assessment procedure are
A mass of 20 kg is to be raised by a hoist 2 m in 30 seconds. Assuming no losses, the power required to raise this load is
In order to understand the operating procedure for a particular item of equipment, the best source of information would be the
The white or grey PVC outer layer of a twin and CPC flat thermoplastic (PVC) cable is the
Where P = V I. The value V can be determined using
When carrying out maintenance work on a distribution board in a busy walkway, it is advisable to protect others by the use of a
Four resistors having values of 2 O, 2 O, 5 O, and 20 O are connected in a parallel circuit arrangement. The total resistance of this circuit is
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