Fluorescent Light Electronic Ballast Types Function Benefits & Specifications

Fluorescent light electronic ballast provides initial high voltage for discharging the gas inside the fluorescent lamps/bulbs. Ballast converts power frequency to very high frequency that initializes gas discharge process by controlling voltage and current through the lamps. There are different types of light ballasts which include electromagnetic, hybrid and electronics. On this  page we are talking… Read More »

Electrical Junction Box Installation Method Statement

The purpose of this procedure is to ensure that all works regarding electrical junction box and supports installation for electrical instrumentation works shall be done in accordance with the applicable local standards and all other applicable international codes and standards. Scope of work covers the steps to be followed for the junction box and support… Read More »

MV, LV, ELV & Telecom Cable Pulling and Installation Method for Infrastructure Projects

Prior to commencement of work, all shop drawings will be submitted for approval by consultant/client. Shop drawings will show the layout of pipe and cables as well as the section drawings. Only approved shop drawing will be used for installation. All materials to be used will be submitted for Engineer’s approval in forms of Material… Read More »

Power Factor Improvement & Correction | Power Triangle & Capacitor Banks

The electrical energy is almost exclusively generated, transmitted and distributed in the form of alternating current. Therefore, the question of power factor immediately comes into picture. Most of the loads (e.g. induction motors, arc lamps) are inductive in nature and hence have low lagging power factor. Low power factor is highly undesirable as it causes… Read More »

IP Telephony System Installation Method Statement

All material used at the project site shall be approved prior to the start of IP Telephony system installation works. Materials and documentation relevant to a particular section of works will be checked by the site/project engineer prior to the commencement of work ensuring that these are of the correct type as reviewed by the… Read More »

Solar Cell MCQ Multiple Choice Questions

Below you can find MCQ’s or multiple choice questions related to solar cell and related topics for engineering students. Correct answers are in red and bold font. 1. a PV cell is also called? a) IR cell b) VU cell c) Solar cell d) All of the above 2. PV effect in solar cell converts… Read More »