Posted inElectrical Articles
What are properties of LPG?
The properties of LPG are as follows It does not contain moisture or H2 S. So it is non-polluting in nature. The average calorific value is 29780 kcal/m3 It evaporates…
Posted inElectrical Articles
What is composition of LPG?
Liquefied petroleum gas (LPG) is obtained by Liquefaction of the uncondensed gases from the fractionating column during refining of crude petroleum oil. The thermal cracking of heavy petroleum oil. The…
Posted inElectrical Articles
Properties of aviation petrol
Properties of aviation petrol are as follows : Flashpoint: 38 0C Auto-ignition temperature: 210 0C Freezing point: -40 0C Open air burning temperature: 287.50C Density at 150C : 0.807kg/L Calorific…
Posted inElectrical Articles
What is aviation gasoline
Aviation petrol is straw coloured fuel based on either kerosene(known as Jet A) or naphtha (known as Jet B). In civilian turbine engine powered aeroplanes. Jet A is used as…
Posted inElectrical Articles
Volatile matter
It is not constituent of coal but consists of a complex mixture of gaseous and liquid products due to thermal decomposition of coal substance. High volatile matter containing coal burns…
Posted inCivil Engineering
What is trencher?
To excavate the trenches of width from 250mm to 450mm and depth up to 4m with accuracy and speed, this types of equipment is used. It is mainly used to…
Posted inCivil Engineering
What is ripper?
This is equipment which is sometimes attached to a tractor. It is mounted on the wheels and carries two to four teeth, usually number being three. The ripper is used…
Posted inCivil Engineering
Where are dredgers are used?
In order to provide the necessary depth to water near the ports, it becomes essential to do the process of dredging which is a specialized form of excavation. The various…
Posted inCivil Engineering
What is SCADA?
SCADA (supervisory control and data acquisition) is a software package that is positioned on top of a real-time control system to control a process that is external to the SCADA…
Posted inCivil Engineering
What are the earth compaction equipment
Earth compaction equipment is used to decrease the porosity of earth and to increase density and strength of the earth. Compaction of the earth is done by rolling, kneading, ramming,…