Compute the maximum and minimum load

Reference no: EM13542315

1.Suppose X is a continuous random variable with probability density function, f(x)=4x^3 for 0<x<1, f(x)=0 for x elsewhere.

a)find find E(X)

b)find the medium of X,the 50th percentile c)use the following four uniform (0,1) distrubuted random variables from table 7, .64,.30,.02,.87 to stimulate a random sample data set of n=4 values of X d) compute the sample mean and medium sample from the stimulated sample

2.Consider a 2014-T6 aluminum alloy the S-N behavior. A cylindrical rod of diameter 13.2 mm fabricated from this alloy is subjected to repeated tension-compression loading along its axis. Compute

(a) the maximum, and

(b) the minimum loads that will be applied to yield a fatigue life of 108 cycles. Assume that the data were taken for a mean stress of 27 MPa.

Reference no: EM13542315

Questions Cloud

Find the rate of discharge of water at 60 degrees fahreneit : Three new cast iron pipes, having diameters of 24, 21 and 18 in respectively, each 450-ft long, are connected in series. The 24-in pipe leads from a reservoir (flush entrance), and the 18-in pipe discharges into the air at a point 15 ft lower than th..

What percentage is this loss reduced if the provision : Water leaves a turbine at 18.5 fps and enters a tailrace having an average velocity of 1.5 fps. What is the submerged discharge head loss? By what percentage is this loss reduced if the provision of a draft tube increases the discharge flow area to s..

Determine the energy dissipated in the jump : A hydraulic jump forms in a horizontal trapezoidal channel. The base width is 4m and the side slopes are 45o. The depths upstream and downstream of the jump are 1m and 3m.

Find the change in thickness of the clay that will occur if : A 10 ft layer of normally consolidated saturated clay is found at depth of 20 ft beneath a formation of partially saturated sandy silt with unit weight of 115 lb/ft cubed. Void ratio of the clay is 1.5 and specific gravity is 2.6.

Compute the maximum and minimum load : Consider a 2014-T6 aluminum alloy the S-N behavior. A cylindrical rod of diameter 13.2 mm fabricated from this alloy is subjected to repeated tension-compression loading along its axis. Compute

Determine the range of values of p for which equilibrium is : A 5-m wide rectangular open channel lined with rubble masonry (n=0.025) and laid on a slope of 0.0004. If the depth of flow is 3 m, what is the rate of discharge (m3/s)

The pavement currently exhibits low to medium and localized : The pavement structure consists of 160 mm of hot-mix asphalt (HMA), 150 mm of granular base and 450 mm of subbase placed over silty clay subgrade. The pavement is 20 years old and its current PCI is 50. The pavement currently exhibits low to medium a..

How long would the electric heater run that night in the : A passive solar house that is losing heat is outdoors at an average rate of 50,000 kJ/h is maintained at 22oC at all times during a winter night for 10h. the house is to be heated by 50 glass containers each containing 20 L of water this is heated to..

The temperature of the gas remains constant during the : A vertical 12-cm diameter piston-cylinder device contains an ideal gas at the ambient conditions of 1 bar and 24oC. initially the inner face of the piston is 20 cm from the base of the cylinder

User Account

All Pages