‘GASOHOL’ widely used in Brazil as a motor fuel is a mixture of alcohol and____________________?

Related Mcqs:

1. For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm3) while the C.V. is same on weight basis (i.e., kcal/kg) ?

   A. Propane and acetylene
   B. Propane and LPG
   C. Sewage gas and gobar gas
   D. B.F gas and coke oven gas

2. Speisses is a mixture of the following ?

   A. Arsenides of heavy metals
   B. Antimonides of heavy metals
   C. Arsenides & antimonides of heavy metals
   D. Iron, cobalt and nickel

3. Tip of the match stick contains a mixture of________________?

   A. K + S
   B. K + S + K2Cr2O7
   C. S + K2Cr2O7 + White P
   D. None of these

4. Minimum safe distance between two liquid fuel storage tanks is equal to (where, H = height of the tank) ?

   A. H
   B. H/2
   C. H/4
   D. H/6

5. Which of the following varies as the square root of oil pressure during atomisation of fuel oil through a pressure jet burner ?

   A. Output & fineness
   B. Velocity
   C. Both A. & B.
   D. None of these

6. Use of economiser in a boiler plant reduces the fuel consumption for steam generation by about _______________ percent ?

   A. 1
   B. 10
   C. 30
   D. 50

7. Air/fuel ratio by weight for combustion of methane with theoretical quantity of air will be about ____________________?

   A. 9 : 1
   B. 17 : 1
   C. 23 : 1
   D. 29 : 1

8. Large scale fire on fuel gas line is normally extinguished by________________?

   A. Water
   B. Steam
   C. Foam
   D. Nitrogen

9. ______________ the exhaust gas is an indication of the incomplete combustion of fuel?

   A. Low temperature of
   B. High temperature of
   C. High % of CO in
   D. High % of CO2 in

10. Air/fuel ratio on molar (volume) basis for combustion of methane with theoretical quantity of air with be________________?

    A. 9.5 : 1
    B. 12.5 : 1
    C. 15.5 : 1
    D. 18.5 : 1