HSD / LDO / RFO
These are petroleum product which are obtained by refining of crude
oil . High speed diesel oil has distilled content of petroleum .where as
light diesel oil has combination of distilled content and residual o f distillation
where as reheating furnace oil is all residual content and is used for furnaces.
These oil have different viscosity , octane numbers and calorific value .Cost wise
HSD is costlier than LDO .Whereas RFO is the cheapest form of fuel .
Companies which cannot avail lpg , cng or lng uses these petro product as fuel.
Cost of gas varies from geographies to geographies and location . These are
stored in Underground tanks or Overhead Tanks . Pumps are installed at
these storage tanks and fuel is then pumped to ovens . Safety precautions has to be
taken as these are highly inflammable products . Air vents has to be provided for
under ground tanks as vapours get collected in tank . Tankers
must have earthing as to insulate tanker from any kind of spark .Rules and acts are
given petroleum act of government .
ELECTRICAL
Electrical energy is also used as fuel in some places where electrical energy
iare cheap or other fuels are not available . Electrical energy are mostly used in small
ovens .
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