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Worksheetscombustion and flame
Total questions: 10
Worksheet time: 5mins
full form of LPG
locked petroleum gas
liked petroleum gas
liquid petroleum gas
liquified petroleum gas
fuels are mostly made up of -
hydrogen and carbon monoxide
hydrogen and sulphur dioxide
carbon dioxide and oxygen
carbon dioxide and hydrogen
which fuel is said to be the fuel of the future
cow dung cake
hydrogen
natural gas
CNG
full form of SPM
sulphur pariban matter
solid particulate matter
suspended particulate matter
suspending particulate matter
a fuel is considered good if it- (choose all correct answers)
has a high ignition temperature
doesnt cause pollution
produces a very large quantity of heat
has low calorific value
has an ordinary rate of combustion
foam fire extinguisher are effective for fires caused by
faulty electric wires
liquids
gases
petrol fires
the flame of a bunsen burner is -
blue when the air hole is open and yellow when the air hole is closed
blue when the air hole is closed and yellow when the air hole is open
fuel with the highest calorific value is -
methane
hydrogen
LPG
diesel
cow dung cake
the luminous zone of a candle flame is the ____ zone.
middle
outermost
blue
innermost
only substances that _________________ burn with a flame
contain oxygen
vapourize
contain methane
contain hydrogen
