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Calculate the flame temperature of normal octane (liquid) burning in air at an equivalence ratio of 0.5. Assume there is no dissociation of the stable products formed.
Consider a Carnot-cycle refrigerator with ammonia as the working fluid. Heat is rejected from the ammonia at 20 deg C during which process the ammonia changes from saturated vapor to saturated liqui
For the following signals, 1024 points were sampled. Determine the frequency step size of the FFT and the uncertainty in the frequency.
What is the suction specific speed for the pump that is operating under the conditions given in problem 14.16? is this a safe operation with respect to susceptibility to cavitation?
A 500 kW compressor is being designed to operate on air in a space where the temperature is 300 K and pressure is 90 kPa. The design volume flow rate is 1.5 m3/s.
A 45 MW turbine receives steam from 3 boilers. The first inlet has a mass flow rate of 10 kg/s at 4000 kPa and 800 deg C; the second inlet mass flow rate is 15 kg/s at 2000 kPa and 600 deg C; and th
The market arena in question is currently dominated by a major competitor with 80 percent of the market share, and a number of smaller competitors are each focused on small niche segments. How shou
Determine the maximum allowable temperature that will produce a flux of less than 2000 Hydrogen atoms/(cm2·s) through a BCC iron foil when the concentration gradient is -5 ×10^16 atoms/
A rigid 0.75 m3 tank initially contains water at 250oC, 50% liquid and 50% vapor, by volume. A valve on the bottom of the tank is opened, and liquid is withdrawn slowly.
If the flux of nitrogen through the foil is 1012 atoms/(cm2·s), what is the nitrogen concentration in the low concentration region?
Find the magnitdue of the acceleration when it reaches point A (half way down the slope) where the speed is Va = 10m/s, height is 36m, distance of 60m from end of slope, and rate increaseing at Va =
At a given instant train E has a speed of 20m/s and an acceleration of 14m/s^2 acting in the direction shown (75 degrees to the left of the track).
Determine the cycle efficiency of steam power plant working under the following data: Boiler pressure: 80 bar; condenser pressure: 0.1 bar, turbine inlet temperature: 5000C.
Air at 3x10-4 kg/s and 27o C enters a rectangular duct that is 1 m long and 4 mm by 16 mm on a side. A uniform heat flux of 600 W/m2 is imposed on the duct surface. What is the temperature of the ai
If a coal-burning electrical generating plant burns 2 tons of coal to generate 6000 kWh of electricity, calculate the efficiency of the plant as the ratio of electricity output to fuel energy input
The end of a robtoic arm extends along the path of the limacon r = (1+.5 cos [theta])m. at the instant that [theta] = pi/4, the arm has angular rotation [theta]' = .6 rad/s, which is increasing at [
If a strain of -0.087 is measured by a strain gage, what stress must the Aluminum be experiencing? If the bar is pourus nd you have a strain of 0.04 at a stress of 60,000psi , what is the effective mo
Refrigerant 134a enters a compressor with a mass flow rate of 5 kg/s and negligible velocity. The refrigerant enters the compressor as a saturated vapor at 10 deg C and leaves the compressor at 1400
Crate slides down the section of the spiral ramp such that r = (.5z)ft and z = (100 - .1t^2)ft, where t is in seconds. If the rate of rotation about the z axis is [theta]' = .04(pi)(t) rad/s, determ
Air at 14.7 psia and 60 °F enters a heavy duty compressor with negligibly small inlet speed. The air is discharge at a rate of 20 lbm/sec at 90 psia, and with a speed of 500 ft/s.
Find the flowrate in million standard cubic feet per day using the Panhandle B equation assuming the Natural Gas has a Sg of 0.693 and the system has an efficiency factor of 0.92.
Ball A is released from rest at a height of 40ft at the same time that a second ball B is thrown upward 5ft from the ground. If the balls pass one another at a height of 20ft, determine the speed at
The allowable shearing stress is 15ksi in a steel rod AB and 8ksi in a brass rod BC. Knowing that a torque of magnitude T= 10 kip in. is applied at A. Determine the required diameter of rod AB and
What would happen to the throughput of the line if we increased capacity at a non-bottleneck station and held WIP constant at its current level?
A vehicle traveling at 30 mph enters a 600 ft radius curve and begins to increase its speed at a rate of 10 ft/s^2. Find the total acceleration of this vehicle 3 seconds after it enters the curve.