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The flexural strength of a composite material reinforced with glass fiber is 54,000 psi and the flexural modulus is 15x10^6 psi. A sample, which is 1.5 in wide, 1 in high and 10 in long is supported between two rod 7 in apart. Determine the force required to fracture the material and the deflection of the sample at fracture. Assume no plastic deformation occurs.
A 200 kg crate is to be supported by the rope and pulley arrangement shown. Determine the magnitude and direction fo the force P that must be exerted on the freee end of the rope to maintain equillibrium.
Air with a mass of 0.5 kg, contained inside a piston-cylinder device with an initial pressure of 5 bar and initial volume of 0.1 m3, undergoes a thermodynamic cycle consisting of 3 processes as follows:
oxygen o2 gas within a piston-cylinder assembly undergoes an expansion from a volume v1 0.01 m3 to a volume v2 0.03
Determine the density of Refrigerant-12 at 3MPA and 200 degrees celcius by using the principle of corresponding states.
determine the radius r of an impurity atom that will fit into a tetrahedral site of bcc ironr1.241 angstroms crystal
a rigid tank initially contains 3 kg of air at 500 kpa 290k. the tank is connected by a valve to a piston-cylinder
a finned-tube heat exchanger has to be designed to transfer heat from the humidified hotair to cold water. it is
two carnot engines operate in series such that the heat rejected from one is the heat input to the other. the heat
Steam enters an adiabatic turbine at 6 MPa, 600°C, and 80 m/s, and leaves at 50 kPa, 100°C, and 140 m/s (T0 = 25°C, P0 = 100 kPa). If the power output of the turbine is 5 MW,
you are designing an ex vivo artificial organ. the cells in the organ cannot tolerate shear stress in excess of 0.5 gcm
today you have a savings account of 15 620. based on an annual interest rate of 4.2 what equal amount can you withdraw
SEM212 - Aim of this demonstration is to use measurements of the load required to propagate a crack (tear) in packaging tape to determine its fracture toughness.
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