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1. Calculate the maximum torsional shearing stress in a hollow circular shaft 4 in. outer diameter and 3 in. inner diameter if the developed torque on the shaft is 20,000 in. lb.
2. Calculate the maximum torsional shearing stress in a hollow circular shaft 15 mm outer diameter and 10 mm inner diameter if the developed torque on the shaft is 15,000 N.mm.
Detemine if the ball bounces down the steps without skipping any step and if the ball bounces down the steps without bouncing twice on the same step.
the picture below shows a system where superheated vapor enters a container at a flow rate of 90 kgs at 250c. the vapor
How can we rotate a disc hanged with weights freely without external effects other then gravitational force cont?
Draw a schematic diagram of the process and write an appropriate dynamic model for the tank level. What is the corresponding steady-state model?
it is observed that the time for the ball to strike the ground at b is 2.5 s. determine the speed va and angle ua at
steam enters the turbine in a vapor power plant at 1600 psia and 1000 degrees f state 1 and expands to a pressure of 1
A coal-fired power plant is producing 10,000 kW (=10 MW) of electrical power. If the plant has a thermodynamic efficiency of 28%, how many kilograms (kg) of coal are being burned per hour to maintain this output? The heat of combustion of coal is 36,..
a nozzle is attached to a vertical pipe and discharges water into the atmosphere as shown in the figure. when the
A typical gas stove burner supplies a kettle filled with water at a rate of 15,000 Btu/hr with a flame temperature of 750C
air enters a regenerator at a pressure of 1mpa temperature of 550 k and mass flow rate of 800 kkgmin. heat is
someone has suggested that the air-standard otto cycle is more accurate if the two isentropic processes are replaced
A counter flow cooling tower cools 2000 gal/min water from 104 F to 85 F with 210,000 ft^3/min of air at 90 F Dry bulb Temperature and 76 F WBT . The Mass transfer coefficient -surface area product is hA= 123lbm/hr ft^3. Air mass flow rate per unit c..
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