Written Question: You have just started your new job at Gas-n-Giggles, a company that specializes in fossil-fuel based baby toys. Your first task is to analyze three design proposals for a gasoline-powered machine to entertain babies. Each design has air (use C₁ = 5/2R) in a cylinder with a piston that moves down or up in response to cooling/heating. The added heat in the various processes comes from burning gasoline (35MJ/L). The processes associated with the three designs (for a fixed baby weight) may be modeled by the following PV diagrams, where in all cases, the temperature for the bottom-left corner of the cycle is 300K. P(kPa) 200 120 P (KPM) -isothermal P(kPa) ✓adiabatic 120 120 (B) →V IOL 30L IOL 30L V 10 L 30L Pediatric psychologists have found that the happiness of a baby on such a device is proportional to the net work performed on them per time, regardless of the design. Which if the three designs is most efficient if we wish to produce a certain amount of net work by burning the least amount of fuel? For this design, what amount of gasoline do we need to burn per hour if we want the baby to move up and down 10 times per minute?
Written Question: You have just started your new job at Gas-n-Giggles, a company that specializes in fossil-fuel based baby toys. Your first task is to analyze three design proposals for a gasoline-powered machine to entertain babies. Each design has air (use C₁ = 5/2R) in a cylinder with a piston that moves down or up in response to cooling/heating. The added heat in the various processes comes from burning gasoline (35MJ/L). The processes associated with the three designs (for a fixed baby weight) may be modeled by the following PV diagrams, where in all cases, the temperature for the bottom-left corner of the cycle is 300K. P(kPa) 200 120 P (KPM) -isothermal P(kPa) ✓adiabatic 120 120 (B) →V IOL 30L IOL 30L V 10 L 30L Pediatric psychologists have found that the happiness of a baby on such a device is proportional to the net work performed on them per time, regardless of the design. Which if the three designs is most efficient if we wish to produce a certain amount of net work by burning the least amount of fuel? For this design, what amount of gasoline do we need to burn per hour if we want the baby to move up and down 10 times per minute?
Chapter2: The Kinetic Theory Of Gases
Section: Chapter Questions
Problem 56P: (a) If the partial pressure of water vapor is 8.05 torr, what is the dew point? (760 torr = I atm...
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Transcribed Image Text:Written Question: You have just started your new job at Gas-n-Giggles,
a company that specializes in fossil-fuel based baby toys. Your first task
is to analyze three design proposals for a gasoline-powered machine to
entertain babies. Each design has air (use C₁ = 5/2R) in a cylinder with a
piston that moves down or up in response to cooling/heating. The
added heat in the various processes comes from burning gasoline
(35MJ/L). The processes associated with the three designs (for a fixed
baby weight) may be modeled by the following PV diagrams, where in
all cases, the temperature for the bottom-left corner of the cycle is
300K.
P(kPa)
200
120
P (KPM)
-isothermal
P(kPa)
✓adiabatic
120
120
(B)
→V
IOL
30L
IOL
30L
V
10 L
30L
Pediatric psychologists have found that the happiness of a baby on such a device is
proportional to the net work performed on them per time, regardless of the design.
Which if the three designs is most efficient if we wish to produce a certain amount of
net work by burning the least amount of fuel? For this design, what amount of gasoline
do we need to burn per hour if we want the baby to move up and down 10 times per
minute?
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