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Posts by Technical Editor

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About Technical Editor
Difference between flexible pavements and rigid pavements
Posted inCivil Engineering

Difference between flexible pavements and rigid pavements

Following are the difference between flexible pavements and rigid pavements such as : Flexible pavement Rigid pavement The earthen, gravel, water bound macadam and bituminous roads are known as flexible…
Posted by Technical Editor May 11, 2018
Posted inElectrical Articles

Effect of variation of rotor resistance

Rotor resistance can be changed in case of wound rotor induction motor with help of external resistances connected and to brushes through slip rings provided a supply voltage and load…
Posted by Technical Editor May 11, 2018
What is squirrel cage rotor
Posted inElectrical Articles

What is squirrel cage rotor

In this type of rotor, the rotor drum is provided with a number of circular holes, which are parallel to the shaft. Solid copper or aluminium bars are placed in…
Posted by Technical Editor May 11, 2018
Working principle of sodium vapour lamp
Posted inElectrical Articles

Working principle of sodium vapour lamp

Scientists have long been familiar with fact high luminous efficiency could be obtained by the use of sodium resistant glass, the sodium vapour lamp has now reached the practical stage.…
Posted by Technical Editor May 11, 2018
What is wound rotor induction motor
Posted inElectrical Articles

What is wound rotor induction motor

The rotor windings are star-connected like a three-phase star connected transformer. Rotor winding is present inside rotor drum. Rotor drum is placed on the motor shaft. Motor shaft carries three…
Posted by Technical Editor May 10, 2018
Posted inElectrical Articles

Why is single phase induction motor not self-starting?

When single-phase AC supply is given to stator winding. It produces alternating flux.i.e. which alternates along one space axis only. It is not synchronously revolving (or rotating) flux, as in…
Posted by Technical Editor May 10, 2018
What is split phase induction motor
Posted inElectrical Articles

What is split phase induction motor

Split phase inductions motor: resistance star induction run Two winding are connected in parallel to supply to make 1 phase induction motor self-starting. One is main winding and other is…
Posted by Technical Editor May 10, 2018
Posted inCivil Engineering

How to use the digital plannimeter to find area of an irregular ?

Preparation: paste or fix the drawing paper containing area on a drawing board. Place the roller at the positioning which will make a right with the main body. By tracing…
Posted by Technical Editor May 10, 2018
Posted inCivil Engineering

What is modern survey method

In olden types surveying works, conventional instruments such as taps to measure distance, use of a prismatic compass to measure the horizontal angles, use of dumpy level to find the…
Posted by Technical Editor May 10, 2018
Posted inCivil Engineering

Instrument used for chain surveying

The various instrument used for the determination of the length of the line by chaining are as follows Metric surveying chain Tapes Arrows Pegs Ranging rods Offset rods Plasterers’ laths…
Posted by Technical Editor May 10, 2018

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