Refer to the data in Table 8.4 to answer the following questions:
a. Calculate the amount of liquid fuels, natural gas, and coal consumed globally in the base year given.
b. Assume that coal consumption is not flat, but growing at a rate of 4% a year. What would the reserve-to-production ratio be for this growth rate?
c. What would the annual rate of increase in natural gas reserves need to be in order to have a reserve-to-production ratio of 125 years? (Assuming consumption does not increase)
d. Assume that liquid fuels consumption is increasing by 6.3% a year. What would the annual rate of increase in reserves need to be in order to have a reserve-to-production ratio of 75 years?
What will be an ideal response?
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Pressurizing the automotive cooling system results in ________.
A) Increased coolant boiling point B) Reduced engine temperature C) Reduced coolant boiling point D) Increased coolant warm up rate
________: personal income after the payment of tax obligations.
Fill in the blank(s) with the appropriate word(s).
In natural convection mass transfer, the Grashof number is evaluated using density difference instead of temperature difference. Can the Grashof number evaluated this way be used in heat transfer calculations also?
What will be an ideal response?
Control valves used for water coils are typically:
A) Three-way valves. B) Four-way valves. C) Either two-way or three-way valves. D) Two-way valves.