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Monthly Quizzes 

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Engineering Software is pleased to announce the introduction of free short energy conversion quizzes. 

Here is a free short energy conversion quiz for the month of September -- when you are ready, take the free short energy conversion quiz for the month of September:

What is the oil higher heating value?
     a) The oil higher heating value is approximately 60,000 [Btu/lbm].
     b) The oil higher heating value is approximately 12,000 [Btu/lbm].
     c) The oil higher heating value is approximately 20,660 [Btu/lbm].
     d) The oil higher heating value is approximately 4,000 [Btu/lbm].
When oil reacts with standard air, what is the stoichiometric oxidant to fuel ratio value?
     a) Oil stoichiometric oxidant to fuel ratio value is:  10.487 [/].
     b) Oil stoichiometric oxidant to fuel ratio value is:  14.649 [/].
     c) Oil stoichiometric oxidant to fuel ratio value is:  11.444 [/].  
     d) Oil stoichiometric oxidant to fuel ratio value is:  17.167 [/].
When oil reacts with standard air, what is the combustion products flame temperature?
     a) The combustion products flame temperature is:  1,972 [K].
     b) The combustion products flame temperature is:  2,525 [K]. 
     c) The combustion products flame temperature is:  2,460 [K].
     d) The combustion products flame temperature is:  2,484 [K].
What is the oxygen enthaply at standard reference conditions where the temperature is 298 [K] and the pressure is 1 [atm]?
     a) The oxygen enthalpy is:  10,000 [kJ/kg*K].
     b) The oxygen enthalpy is:  -10,000 [kJ/kg*K].
     c) The oxygen enthalpy is:  -20,000 [kJ/kg*K].
     d) The oxygen enthalpy is:  0 [kJ/kg*K].
Which of the following species: carbon dioxide, sulfur, sulfur dioxide and water vapor has the smallest molecular weight?
     a) Carbon dioxide has the smallest molecular weight.
     b) Sulfur has the smallest molecular weight.
     c) Sulfur dioxide has the smallest molecular weight.
     d) Water vapor has the smallest molecular weight.

 

Please note that early next month, October, Engineering Software will post the correct answers to the above free short energy conversion quiz questions for the month of September! 

 

For the month of August, free short energy conversion quiz correct answers are as follows:

In general, how does an increase in the compression pressure ratio impact the specific power input?
     The compression specific power input increases accordingly.
In general, for a given compression pressure ratio, how does an increase in the working fluid mass flow rate impact the
     compression power input? 
     The compression power input increases accordingly.
What is the specific heat value for carbon dioxide?
     The carbon dioxide specific heat value is:  845 [J/kg*K].
In general, how does an increase in the expansion pressure ratio impact the specific power output?
     The expansion specific power input increases accordingly.
In general, for a given expansion pressure ratio, how does an increase in the working fluid mass flow rate impact the expansion power output?
     The expansion power input increases accordingly.

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