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Determine the design life if no more than a 1 percent probability of failure prior to replacement is to be tolerated.
Compute its reliability for 100 hr mission. If there is a 200 hr burn in of the blades, what is the reliability for a 100 hr mission?
What is the maximum work that could be obtained if the flow rates and temperatures of the streams remain the same, but heat transfer is permitted with the surroundings at 298 K?
If the driver maintains a constant speed of 9 m/s, determine both the resultant normal force and the resultant frictional force that all the wheels of the car exert on the road at the instant it rea
A 10 kg mass falls 3 m until it strikes a spring. If the spring modules k is 1000 N/m, how far will the spring be deflected if all the energy of the falling body goes into compressing the spring?
When unloaded its draft (depth of submergence) is 2.5m. when loaded with grain the draft is 3.5m. Estimate the unloaded weight of the barge. and estimate the mass of the grain.
The two members used in the construction of an aircraft fuselage are joined together using a 30° fish-mouth weld. Determine the average normal and average shear stress on the plane of each weld.
Sketch process on PV diagram. Draw area thatrepresents the work of the process. Calculate the work done duringthe process. How much heat was exchanged?
A piston-cylinder device containing carbon-dioxide gas undergoes an isobaric process from 15 psi and 80 F to 200 F. Determine the work and heat transfer associated with this process.
Downstream height of the water changes (1 ft) and the velocity becomes non-uniform (u=4y-2y^2). Find the initial velocity entering the channel, V.
2.6 kg of air in a stationary box undergo a process that results in 22.3 kJ of work being done by the air (say there was a combustion process).
Find the cost of the electricity in a month when the refrigerator operates for an equivalent time of 10 days continuously.
A steam turbine receives a 110 ft/s velocity and 1525 Btu/Ibm enthalpy. The steam leaves at 810 ft/s and 1300 Btu/Ibm entalpy. What is the work out in Btu per pound mass flowing?
Determine if it is safe for a 225 lb worker to stand all the way to the right of the scissor jack with it fully extended.
Steam enters a nozzle at 400C and 800kpa with a velocity of 10m/s, and leaves at 300C and 200kPa while losing heat at a rate of 25kW, for an inlet area of 800cm^2.
When [theta=2/3*pi] rad, the angular velocity and angular acceleration of the circular plate are [theta_1=1.4 ] rad/s and [theta_2..=3.5] rad/s^2 respectively. Determine the magnitude of the velocit
Determine the present worth of series of annual deposits of 2000 during years 3 through 14 and a series of withdrawals of 1900 through 3 to 10. The interest rate is 4 %.
During the compression process the change in pressure varies linearly with volume and the gas can be consirdered ideal. Determine a) the initial and final volumes b) the work done by the piston during
Suppose it is known that the graph of the function y= ax^3+bx^2+cx+d passes through four points (xi,yi), i=1,2,3,4. Write a user-defined function that accepts these four points as input.
A 40 mph wind blowing past your house speeds up as it flows up over the roof, elev effects are negligible. Determine the pressure in the roof where speed is 60mph.
The atmospheric pressure is 100 kPa. Derive and plot the variation of pressure with radius from the center. Assume no elevation change.
Which component of the ideal regenerative Rankine cycle loses the greatest amount of work potential where the ideal regenerative Rankine cycle with an open feedwater heater uses water as the working
If the guy wire can support a maximum tensile force of 500lbs, and if the pole AC can support a maximum compressive force of 800lbs before buckling, determining the largest force P that can be suppo
The external surrounding air at 300 K has a convective coefficient of 25 w/m^2 K. Calculate the fin efficiency and the heat loss from the fin per 1.0 m of length.