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1. Hydrogen (H2) enters a combustion chamber with a mass flow rate of 5 lb/h and burns with air entering at 858F, 1 atm with a volumetric flow rate of 75 ft3/min. Determine the percent of theoretical air used.
2. Methyl alcohol (CH3OH) burns with 200% theoretical air, yielding CO2, H2O, O2, and N2. Determine the
(a) balanced reaction equation.
(b) air-fuel ratio on a mass basis.
(c) molar analysis of the products.
a diesel engine performs 2090 j of mechanical work and discards 4125 j of heat each cycle.a how much heat must be
The landing gear on a commercial aircraft experiences an impulse load upon landing. Assuming seven such landings per day on average, how long would it take before the landing gear has been subjected to 108 load cycles? (Answer in years)
a 5 18 oz baseball traveling at 80 mph rebounds off of a bat with a speed of 160 mph. the ball is in contact with the
water at a temperature of 40 c and a pressure of 100 kpa enters a pump at the rate of 50000 kghr. the water leaves the
As shown, a 150 lb bungee jumper wants to jump from the top of a 630 ft high bridge and be able to just touch the water below. Given that the bungee cord has a spring constant of 108 lb/ft, what should the bungee cord's relaxed length, l, be for t..
by itself the 2500-kg pickup truck executes a 0-100 kmh acceleration run in 10 s along a level road. what would be the
a rectactangular surface is placed in a vertical position in fresh water with its top and bottom edges horizontal. if
in hydroelectric power plant water at 20 celcius. is supplied to turbine at a rate of 0.6m3s through 200m long
water is flowing horizontally through 100 feet of 2 inch pipe then into a sudden expansion to 3 inch pipe for 50 more
A hypothetical element X has 3 naturally occurring isotopes: 41.20% of 21X, with an atomic weight of 21.016 amu, 2.20% of 22X, with an atomic weight of 21.942 amu, and 56.60% of 24X, with an atomic weight of 23.974 amu. On the basis of these, calcula..
a truck travels on rails round a curve of 100m radius at a speed of 90kmh the truck has a total mass o 4ton and its
The flow around a model of a turbine blade is investigated. The model is five times larger than the prototype. A maximum pressure of 4 psi is measured at the leading edge, a maximum velocity of fps is measured near the top of the blade, and a small d..
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