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The following times to failure in hours were observed in an experiment where 14 units were tested until eight of them have failed: 80,310,350,470,650,900,1100, and 1530. Assuming that all units have a constant failure rate, calculate a point estimate of the failure rate. Also, calculate a 95% one-sided confidence interval of the failure rate.
Find the capacity of a cylindrical tank that is 250 feet in diameter and 30 feet high? In the above problem, what is the capacity if the tank is 75% full, and what is the capacity in gallons?
Evaluate the shearing and normal stresses at points H and J located at the ends of the horizontal and vertical diameters of transverse section located 2.5 in. to the left of bearing B.
Determine the smallest horizontal force required to lift the 260- crate. The coefficient of static friction at all contacting surfaces is = 0.7. Neglect the mass of the wedge.
You have a bevel gear and shaft and you have to find the maximum load that can be applied on it.
Air in piston/cylinder at 200 kPa, 600K is expanded in a constant-pressure process to twice the initial volume (state 2). At this point, the piston is locked with a pin and heat is transferred to a final temperature of 600K. Find the work and heat..
A satellite is in Earth orbit with an altitude at perigee of 555.0 km and an altitude at apogee of 1200.0 km. a. What is the semi-major axis of the orbit? b. What is the eccentricity? c. If the true anomaly is 160 degrees, what is the satellite's ..
Determine the velocity ratios that can be achieved by the gear box in terms of number of teeth in the sun wheel and determine which component (out of the sun wheel, planet carrier and annular wheel) has to be used as the input shaft to get the req..
the cable from C to D prevents the plate and shaft from turning, and the weight of the assembly is carried by hearing A.
(a) Sketch the cycle on a p V diagram. (b) Calculate the net work for the cycle, in kJ. (c) Calculate the heat transfer for process 2 3, in kJ. (d) Calculate the heat transfer for process 3 1, in kJ. (e) Is this a power cycle or a refrigeration cy..
Estimate the blood pressure in each branch, assuming that blood vessels behave as rigid tubes, that we have frictionless flow, and that the vessel lies in the horizontal plane. What is the force generated at the branch by the blood? You may approx..
A turbine takes in 2 kg/s neon at 27C and 200 kPa with negligible velocity. The produced work is 75 kW and 30 kW of heat leaks into the turbine from the surroundings. The neon exits at 100 kPa and 230 K. Find the exit velocity of the neon.
Male an Isometric Drawing of the V stop shown in Figure. Use a suitable scale to depict the view well on an A3 drawing duet.
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