Q.1
The bio methane is produced by the __________ of biomass.
  • a) Aerobic oxidation
  • b) Anaerobic oxidation
  • c) Fermentation
  • d) Rectification
Q.2
Bio gas is compressed and used as ________
  • a) Motor fuel
  • b) Fuels in vehicles
  • c) Dog feed
  • d) Cow feed
Q.3
The _______ is used as the agricultural fertilizer.
  • a) Bio ethanol
  • b) Bio ethane
  • c) Bio methanol
  • d) Digestrate
Q.4
Bio diesel is produced by the __________ of the vegetable oil.
  • a) Fermentation
  • b) Distillation
  • c) Transesterification
  • d) Rectification
Q.5
The bio diesel is the long chain of carbon atoms contains _________ group at one end.
  • a) Alcohol
  • b) Aldehyde
  • c) Ketone
  • d) Ester
Q.6
The difference between structure of the bio diesel and the regular diesel is an ester group.
  • a) True
  • b) False
Q.7
The first diesel engine run on ___________
  • a) Bio diesel
  • b) Regular diesel
  • c) Vegetable oil
  • d) Petrol
Q.8
The vegetable oil __________times larger than the normal diesel molecule.
  • a) 1
  • b) 2
  • c) 3
  • d) 4
Q.9
The transesterification is done in presence of methanol, NaOH and__________
  • a) KOH
  • b) Ca(OH)2
  • c) Mg(OH)2
  • d) Na(OH)2
Q.10
If the traces of water is left in the vegetable oil then ________ is formed.
  • a) Diesel
  • b) Bio diesel
  • c) Petrol
  • d) Soap
Q.11
Fuels cell is an electrochemical device that converts the chemical energy into the ___________
  • a) Electrical energy
  • b) Mechanical energy
  • c) Static energy
  • d) Frictional energy
Q.12
Fuel cells are characterized by the ____________
  • a) High efficiency
  • b) High noise levels
  • c) Vibrations are present
  • d) No heat transfer
Q.13
The hydrogen-oxygen fuel cell consists of the _________ inert porous electrodes.
  • a) One
  • b) Two
  • c) Three
  • d) Four
Q.14
The hydrogen-oxygen fuel cells have electrolyte solution of 2.__________
  • a) KOH
  • b) NaOH
  • c) Na(OH)2
  • d) Mg(OH)2
Q.15
From cathode ___________ gas is bubbled in hydrogen-oxygen cell.
  • a) Hydrogen
  • b) Oxygen
  • c) Nitrogen
  • d) Chlorine
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