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Calculate the maximum pressure that the walls must withstand. Also find the cycle efficiency. Assume temperature independant properties for air. For ideal gas, Pv/T = constant.
Determine ( a) the time required for the train to travel the first 2.5 mi, ( b) the speed of the train as it arrives at the station, ( c) the final constant deceleration of the train.
Assuming that the force exerted by the pitcher on the ball acts over a distance of two arm lengths, each 28 inches (for a total of 4.67 ft), estimate the average force exerted by the pitcher on the
Knowing that E= (29 x 10^6) psi and Poissons Ratio = .30, determine the initial force in the bolt, if the diameter is observed to decrease by (0.5 x 10^-3) in.
Knowing that Paisson's ratio = 0.3 and E = 200 GPa, determine (a) the elongation of the rod in a 200-mm gage length (b) the change in diameter of the rod.
This causes an expansion, which happens adiabatically and isothermally. How much does the volume increase (in cubic centimeters)?
Determine the power required for a 2500 kg car to climb a 60 m long uphill road with a slope of 15º (from the horizontal) in 5 seconds, at Constant velocity.
How would you define a system to determine the temperature rise created in a lake when a portion of its water is used to cool a nearby nuclear power station?
Saturated-vapor steam at 2 Psia enters a condenser and leaves as saturated-liquid at the same pressure. Calculate the heat loss from the steam.
At that instant, the sing was moving up at a constant rate of (pi/8) rad/s. Express using orthogonal unit vectors.
Assuming that all the heat supplied to the extracted bitumen part is recovered at the wellhead, how much heat must be supplied to the sand-stone for this process?
Assuming that the natural gas may be approximated as pure methane, which has physical properties as listed below, determine the mass (kg) of natural gas contained within the storage tank.
In a mild steel block, a flat surface of length 100 mm and width 60 mm has to be finished in a shaping machine in a single pass.
Derive the model equation, mass and temperature for a PFR reactor with a first order reaction A= product.
Derive the model equation, mass and temperature for a CSTR reactor with a first order reqaction A= product. Assume: constant temperature and density.
Calculate the rates of exergy destruction in the compressor and turbine, respectively, each in kW, for T0 5 300K.
Determine the volume of gas in the tank. Also plot pressure versus v and T for the isotherms T = 250, 500 and 1000 K.
The surface temperature of the wall exposed to air is measured and found to be 50 C. Do steady- state conditions exist? If not, is the tempera-ture of the wall increasing or decreasing with time?
Find the percent of volume change after a cube specimen is deformed by a strain E in the longitudinal direction and ductility of materials in the elastic region.
If condenser is water cooled and the inlet and outlet temps are measured to be 15C and 60C respectively, what is the mass flow rate of the cooling water.
Determine, the work done by the shaft, the work done in displacing the atmosphere, and the heat transfer to the gas, all in kJ.
Determine the final temperature if the initial temperature is 500 K. Plot the process on P-v coordinates qualitatively.
Determine (a) the distance L required for the droplets to impact the collector at a final temperature of 305 K, (b) the amount of thermal energy rejected by each droplet.
Suddenly, the electronic device is energized such that a constant heat generation, 100 W occurs. If the device is initially at 29 C, what temperature will it reach 6.00 min after the power is switch
A projectile is fired at an angle of 48 degrees. The initial velocity of the projectile is 32 m/s. Determine the range and the maximum height attained if the trajectory is symmetrical.