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Question:
A mass of 8 kg gas expands within a flexible container so that p-v relationship is of the form Pv1.2 = const.The initial pressure is 1000 kpa and the initial volume is 1 m3. The final pressure is 5 kpa . If specific internal energy of the gas decreases by 40 kj/kg,find theheat transfer in magnitude and direction.
a cylinderpiston contains carbon dioxide at 1 mpa 300oc with a volume of 200 l. the total external force acting on the
nickel has a fcc crystal structure and 0.125 nm atomic radius. draw two nearest parallel 110 planes in a fcc crystal
a vertical cylinder containing air is fitted with a piston of 68lbm and cross sectional area of 35in2. the ambient
a 30 cm 1 beam with flanges and with a web 1.25cm thick is subjected to a torque 4900nm find the maximum shear stress
water at a gauge pressure of 3.8 atm at street level flows into an building at a speed of 0.06 ms through a pipe of 5.0
air is drawn into a small open-circuit wing tunnel as shown. atmospheric pressure is 98.7 kpa abs and the temperature
The main elevator A of the CN Tower in Toronto rises about 349 m and for most of its run has a constant speed of 22 km/h. Assume that both the acceleration and deceleration have a constant magnitude of g/3 and determine the time duration t of the ..
air at -10 degree c flows over a smooth sharp-edged almost-flat aerodynamic surface at 240 kmhr. the surface is at 10
a 12 ft by 12 ft square room has one exterior wall with a surface temperature of 58f and three interior wall surface
the small two-story office building shown in fig.p4.10 has 36000 ft3 of occupied space. due to cracksaound windows and
A rocket is launched vertically and reaches its maximum height hmax. What are its velocity, v(t)= (dh/dt) , and height above ground h(t) as a function of time t >_ 0(greater than or equal to) before it lands on ground (h = 0)?
a metal has a cubic structure with a density of 1.892 gcm3 an atomic weight of 132.91 gmol and a lattice parameter of
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