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Determine whether the following functions are analytic, and find the derivative where appropriate:
A refrigerator uses a R-134a as the working fluid and operates on an ideal vapor-compression refrigeration cycle between 0.12 and 0.7 MPa. The mass flow rate of the refrigerant is 0.05 kg/s.
A crank rocker linkage has 100 mm frame, 30 mm crank, 80 mm coupler and 90 mm rocker. Draw the linkage to scale and find the minimum and maximum values of the transmission angle. Also sketch both toggle positions and record the corresponding crank an..
the beam is to be hoisted using two chains if the resultant force is to be 600n directed along the positive y axis
(a) The mechanical efficiency of the pump and (b) The temperature rise of water as it flows through the pump due to the mechanical inefficiency.
A generator is driven by a small, single-jet Pelton turbine designed to have a power specific speed Ωsp = 0.20. The effective head at nozzle inlet is 120 m and the nozzle velocity coefficient is 0.985.
0.25 kg of red-hot 700 c coals are taken from the fireplace and left in the middle of a room. the room is 3 m x 4 m x
the ice cap at the north pole may be 1000 m think with a density of 920 kgm3. find the pressure at the bottom and the
The only force acting on an earth satellite traveling outside of the earth’s atmosphere is the radial gravitational attraction. The moment of this force is zero about the earth’s center taken as a fixed point. Prove that r2? Remains constant for the ..
a turbine produces 2 mw of power while accepting steam at 3 mpa and 400 c and rejecting steam at 50 kpa and 100c. find
a non flow system undergoes a reversible process according to law p4.5v2 where pressure p is in bar specific volume v
assume that the amount of heat generated in the furnace above was used to heat helium to 600oc. an engine operating in
A women dropped dropped her iPhone 1,400-feet when taking a picture on a plane. A few days later it was returned to her by a stranger - and the best part is it still works. The iphone is covered by a silicone case as shown in the picture below.
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