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The hybrid vehicle engine produces an average of 25 kw of power output and has an efficiency of 65%. Assume it runs 200 hours and 12000 miles a year, the average speed is 60 mi/h. If the heating value of gasoline is 40500 kJ/kg. A- How much gasoline consumed in gallons during a year? B- What's the mileage per gallon (1 gallon = 6 lb)? Is it a reasonable number? C- How much does it save in gasoline if compared to a 30% efficient regular car engine with the same power output running the same hours and miles a years?
What is the discharge revised discharge pressure of the compressor.
a thermopane window consists of two pieces of glass k 0.78 wmk 7 mm thick that enclose an air space k 0.026 wmk 7 mm
A Brayton cycle uses air and produces a net work of 14000 Btu/s with an inlet state of 60°F,
question a 49 kg person drinks 520. g of milk which has a caloric value of approximately 3.0 kjg. if only 19 of the
Find the desired radius and mass of the absorber if the absorber is to not exceed an angular deflection amplitude of 30 degrees when the engine is running at 750 rpm.
1. a process water with a specific heat capacity of 4.182 k.1 kg-i k-1 flows at a rate of 0.050 kg s-i through a heat
Determine heat flow, Heat flow through a uniform wall will: a) increase as the thermal resistance increases b) increase as the thickness of the wall increases
a large plate contains a central crack of length 2 mm and is subjected to a cyclic stress normal to the crack which
Determine the mass fractions of alpha and beta phases, Determine the mass fractions of primary beta and eutectic microconstituents, Determine the mass fraction of eutectic beta
determine the force exerted by each cylinder in raising the crate for u = 60°, a 5 0.70 m, and L = 3.20 m. Show that the result obtained is independent of the distance d.
a 14-ft long ladder leans against a wall with the bottom of the ladder placed 4ft from the base of the wall. how high on the wall will the ladder reach.
calculate the radius of an silver atom in cm given that ag has an fcc crystal structure a density of 10.5 gcm3 and an
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