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Consider a sample of pure nickel in the shape of a coin. The area of the flat face is 1 cm^2, and the initial thickness is 0.1 cm. Suppose that a pressure of 40,000 psi exerted on the flat face will cause the wafer to be flattened by 10%. Suppose further that during the deformation the internal energy of the solid remains unchanged. Calculate the temperature rise expected if the heat capacity of the solid is 6.1 cal/mole- C.
the 800-lb load is being hoisted at a constant speed using the motor m which has a weight of 90 lb. determine the
An elevator descends from rest with an acceleration of 5 ft>s2 until it achieves a velocity of 15 ft>s. Determine the time required and the distance traveled.
Evaluate the maximum theoretical power that can be developed by the turbine, in kW, and the corresponding exit temperature.
Why does a car engine stop when we turn the key even when the vehicle is running? The engine should run on alternator in case of a petrol engine and on it's own in case of a diesel engine. Then how does it stop exactly?
How can be determined the dynamic parameters of a second order system, wiht an Inertia (M), a dampening coeficient ( C ) and a Stiffness constant ( K).
Steam @ 10 MPa, 600 degrees celcius enters the first-stage turbine of an ideal Rankine cycle with reheat. The steam leaving the reheat section of the steam generator is @ 500 degrees celcius
a cast-iron cylinder of 300mm bore carries a pressure of 30 newtons per squaremillimetre what should be its thickness
the tank has a 180mm diameter and 12 mm wall thickness. knowing that the tank contains compressed air under a pressure of 8 Mpa, determine the magnitude t of applied torque for which the maximum normal stress in tank is 75 Mpa.
1000 kghr of water at 1 bar is fed to a pump where the pressure of the water is increased to 20 bar in an adiabatic
1. compare liquids and gases with regard to theirbull shapebull volume occupiedbull densitybull viscositybull
problem 1 a 10-minute experimental run shows that 75 of liquid reactant is converted to product by a half-order rate.
the uniform work platform which has a mass per unit length of 21 kgm is simply supported by cross rods a and b. the
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