A. Propane and acetylene
B. Propane and LPG
C. Sewage gas and gobar gas
D. B.F gas and coke oven gas
Related Mcqs:
- 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 - Theoretical volume of oxygen required for complete combustion of 1Nm3 of acetylene, in oxy-acetylene welding is ______________ Nm3 ?
A. 0.5
B. 1
C. 1/3
D. 2.5 - Volume of blast furnace slag is about _______________ times the volume of hot metal (pig iron) of the same weight ?
A. 1.5
B. 3
C. 5
D. 7 - The difference between gross & net calorific values of fuel is due to the___________________?
A. Sensible heat carried away by the flue gases
B. Heat carried away by the steam from the moisture content of the fuel
C. Heat lost by radiation
D. Heat carried away by steam from the combustion of hydrogen in the fuel - Calorific value of ____________________ are almost same?
A. Lignite & anthracite coal
B. Lignite & coal gas
C. Petrol & diesel
D. Coal gas & natural gas - 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 - The same volume of all gases is representative of their_____________________?
A. Specific gravities
B. Densities
C. Gas characteristic constants
D. Molecular weights - A cylindrical rod subjected to a tensile strain within the elastic limit undergoes a volume change. If the volume strain is equal to half the tensile strain, then the Poisson’s ratio of the rod is___________________?
A. 0
B. 0.33
C. 0.44
D. 0.25 - ‘Dikes’ are low height walls made around the storage vessels meant for storing hazardous & inflammable material (e.g., petroleum products). Volume of dikes is equal to (where, V = volume of the storage vessel) ?
A. V
B. V/2
C. 2V
D. 3V - The value of y = cp/cv. at < 500°C for air & most common gases can be safely assumed to be_____________________?
A. 0.8
B. 1
C. 1.4
D. 1.8
