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The free-moving piston-cylinder device shown contains 5kg of hydrogen initially at a temperature of 400°C. When 4000kJ of shaft work is transferred to the hydrogen, the temperature rises to 450°C. Determine the amount of heat transferred (kJ) during the process. Treat the Hydrogen as an ideal gas and use constant specific heats at the average temperature.
for a product at an aql of 2.5 and lot size of 5000 using mil standard 105e what is the probability of going to
Determine if the shaft has infinite fatigue life. If not, determine the number of cycles to failure. Also determine the safety factor for first cycle yield and draw a free body diagram, shear and moment diagrams, and graph the loads on the shaft..
two kilogram of water initially at 200 degc and 0.4 mpa undergoes an isothermal internally reversible compression
a vehicle a is stuck on the railroad tracks as a train b approaches with a speed of 120 kmh. as soon as the problem is
five kilograms of water at saturated liquid phase fills in a piston-cylinder device at 150oc. the device is now heated
you are asked to design a heating system for a swimming pool that is 2 m deep 25 m long and 25 m wide. your client
a 16 kg mass of copper is dropped into an insulated tank which contains water at 20oc and 1 bar. the initial
The wheel of a crane lift is rolling on a flat rail. The radius of the wheel is 4 in, the contact length and force are 2.5 in and 1 ton respectively, and E = 30 MPa and ν = 0.3 for both parts. Determine (a) the maximum contact pressure, (b) the wi..
the sphere of mass m1 travels with an initial velocity v1 directed as shown and strikes the sphere of mass m2. for a
The rigid gate, is hinged at O and rests against a rigid support at B. What minimum horizontal force, P, is required to hold the gate closed if its width is 3.9 m? Neglect the weight of the gate and friction in the hinge. The back of the gate is e..
calculate the minimum possible magnitude u of the muzzle velocity which a projectile must have when fired from point a
answer the following questions1. name six types of springs.2. name three types of gears.3. state hookes law.4. give the
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