Motor Startup and Transformer Selection (ESP)
Motor Startup At system startup Electrical Submersible Pump motors draw more than five times greater instantaneous currents than...
Standard Dimension Ratio (SDR) and Corresponding Internal Pipe Diameter (ID) of Pipes according to NS 40:2079
SDR SDR 21 SDR 17 SDR 13.6 SDR 11 SDR 9 SDR 7.4 Nominal Pressure (PN) Bar PE...
Projected Coordinate System
A projected coordinate system is defined on a flat, two-dimensional surface. Unlike a geographic coordinate system, a projected...
Geographic Coordinate System
The oldest global coordinate system is the Latitude/Longitude system (also referred to as Geographic coordinates). It is the...
Map Projections
Introduction Coordinate systems, also known as map projections, are arbitrary designations for spatial data. Their purpose is to provide a...
Hydraulic Valves used in Water Supply System
In water supply systems, various types of valves are used to control the flow, pressure, and direction of...
Solar Powered Water Pumping System
Rural part of Nepal has places still devoid of the national grids. A water pump designed for these...
Elastic limit and Proportionality limit
We all have been taught in our high school that for a material like metals (steel or iron)...