The purpose of this document is to detail the testing & commissioning procedures of the Building Management System BMS. Below is list of some necessary tools & instruments. Calibration certificates of the testing equipment will be produced during testing and commissioning. Laptop with Ethernet cross cable Multi-meter. (A valid test/calibration certificate will be available for… Read More »
There are different numbering systems used in digital electronic circuits and computers. However, the numbering system used in one type of circuit may be different to that of another type of circuit, for example, the memory of a computer would use hexadecimal numbers while the keyboard uses decimal numbers. The different number systems are Decimal… Read More »
Because of its widespread use, we will concentrate on addition and subtraction for Two’s Complement representation. The nice feature with Two’s Complement is that addition and subtraction of Two’s complement numbers works without having to separate the sign bits (the sign of the operands and results is effectively built-into the addition/subtraction calculation). Remember: −2n−1 ≤ Two’s… Read More »
Below is a complete table that can help you understand the relation between decimal to binary and binary to decimal conversion. This table also includes the equivalent values of hexadecimal numbers. You can search our website for more detail on this topic, we have plenty of pages that cover the number system conversions. The decimal… Read More »
This method statement will help the electrical engineers and supervisors for the installation of distribution board for an electrical project. Additionally site team will need detailed information of all aspects associated with the installation process in order to complete the job inline with the contract or project requirements, specifications and approved electrical drawings. Before the… Read More »
Section 1: Electrical interview questions and answers about switchgear and protection What are the functions of protective relays? To detect the fault and initiate the operation of the circuit breaker to isolate the defective element from the rest of the system, thereby protecting the system from damages consequent to the fault. Give the consequences of… Read More »