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A three-point bend test is performed on a block of silicon carbide that is 10 cm long, 1.5 cm wide, and 0.6 cm thick and is resting on two supports 7.5 cm apart. The sample breaks when a deflection of 0.09 mm is recorded. The flexural modulus for silicon carbide is 480 GPa. Assume that no plastic deformation occurs. Calculate
(a) the force that caused the fracture; and
(b) the flexural strength.
an engineer needs to monitor a flow of 20degc gasoline at about 250plusmn25 galmin through a 4- in-diameter smooth
Air flows steadily from a tank, through a hose of diameter and exits to the atmosphere from a nozzle of diameter as shown below. The pressure in the tank remains constant at 3.0 kPa (gage) and the atmospheric conditions are standard temperature and p..
Determine the specific volume of superheated water vapor at 15 MPa and 407°C, using the generalized compressibility chart. In m3/kg with four significant figures.
a police car traveling at 101.7 kmh is traveling west chasing a motorist traveling at 77.0 kmh.a what is the velocity
a 25 mm diameter uniform steel shaft is 600 mm long between bearings.a find the lowest critical speed of the shaftb if
consider a steam power plant that operates between the pressure limits of 10 mpa and 20 kpa. steam enters the pump as
A pilot in an airplane flying horizontally with constant speed of v = 480 km/hour at an elevation of h=610 m above a level plain wishes to bomb a target B on the ground as shown below. At what angle below the horizontal should he see the target at th..
A pipe with OD 6.03cm, ID 4.93cm carries steam at 250deg C with h = 200 W/m^2.K The pipe is covered with 2.5cm of magnesia (85%) insulation followed by 2.5cm of polystyrene (k = .025 W/m.K The outer surface is exposed to air at T = 20 deg C with h = ..
Electrostatic forces. Two thin, segments, each 1 m long, are charged with line charge densities of 10 nC/m and -10 nC/m and are placed a distance 10 mm apart, parallel to each other. Calculate the total force one segment exerts on the other.
an alcohol solution contains 6 by mass ethanol. this solution is fed to a distillation column at a rate of 1000 kgh.
In an effort to reduce the mass of an aluminium bulkhead for a spacecraft, a machinist drills an array of holes in the bulkhead. The bulkhead is a triangular-shaped plate with a base and height of 2.5 m and 1.6 m, respectively, and a thickness of 7 m..
Use Lagrange"s equations to derive the EOM for the system. You have a function L of some What are Lagrange"s Equations?
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