Waec Electrical installation answers 2022
Here is the Waec Electrical installation answers 2022
Corre your number *11: B*
(iv) Repairing parts
(v) production line equipment is working efficiently or heating
(vi) ventilation or air conditioning elements are inspected
(i) Conduct wiring
(ii) underground wiring
(iii) Surface wiring
[Pick any five]
(i) Cost of the Wiring System.
(ii) Type of Wires / Cables used.
(iii) Quality of the Wires.
(iv) Type of load (light, HVAC, motors etc.)
Safety of the Wiring System.
(v) Possibility of future modifications / extensions.
(vi) Life of installation.
GRAND TOTAL = 69,000
[Pick any three]
(i) Business Loans
(ii) Friends & Family
(iii) Angel Investors.
(iv) Venture Capital.
(v) Funding from Personal Savings
_(Pick any 3 electrical hand tools of your choice and there uses)_
¶ hammer: is used to secure electrical boxes equipped with nail-on brackets to wall studs and other framing members in a home.
¶ Wire strippers: are used to cut and strip insulation from electrical wires.
¶Tongue and groove pliers: It will see frequent use for removing knockouts from metal electrical boxes, tightening cable clamps, and adjusting expansion type ceiling fan boxes.
¶ Allen wrenches set: are used to tighten hex-head screws, which are sometimes found on ceiling fans, light fixtures, and appliances.
¶ Torpedo level: is used to make sure your work is level and plumb.
Pole pitch is referred as the peripheral distance between the center of two adjacent poles in a DC machine. This distance is measured in terms of armature slots or armature conductors that come between two adjacent pole centers.
(ii) Slot pitch; This is thhe distance between like-colored phosphor stripes in a CRT that uses a slot mask. This is slightly closer than the dot pitch in traditional shadow mask CRTs, which measures the diagonal distance between dots