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a paddle wheel and an electric heater operate in a system if the torque is 200 n-m the rotational speed is 400 rpm the
a steel column has a length of 9 m and it fixed at both ends if the cross-section area has the dimensions shown
carbon dioxide flows in a horizontal duct at 7 bar abs and 300 k with a velocity of 20ms at a dowstream section the
hydrogen flows through a horizontal insulated duct at section1 the enthalpy is 2400 btulbm the density is 5 lbmft3 and
hydrogen expands isentropically from 15 bar absolute and 340 k to 3 bar absolute in a steady flow process without heat
calculate the number of vacancies per cubic meter in some metal at 763degc the energy for vacancy formation is 079
the following figure shows a body on 25 deg inclined plane the weight of the body represented by the force w is 66lb
a perfect gas methane undergoes a reversible polytropic process in which the polytrotic exponent is 14 1 using the
it is known that a long log floats with its axis horizontal a very short log however floats with its axis vertical
the board is used to hold the end of a four-way lug wrench in position a torque of 40 nm about the x-axis is required
a specimen of aluminium having a rectangular cross section 99 mm times 130 mm 03898 in times 05118 in is pulled in
a vertical piston-cylinder device contains a gas at a pressure of 100kpa the piston has a mass of 5 kg and a diameter
a cylinder contains 1 kg of a certain fluid at an initial pressure of 20 bar the fluid is allowed to expand reversibly
water flows through the pipe at a constant average velocity of 05 ms into the the tank having the width of 15 m
a fluid at a pressure of 3 bar and with specific volume of 018 m3kg contained in a cylinder behind a piston expands
a sealed piston-cylinder assembly contains 3 lbm of water the water is initially at p1 40 psia and t1 300acircdegf
propane at 8 bars and 80oc is contained in a closed rigid vessel with a volume of 10 m3 its temperature drops due to
an otto cycle and a carnot cycle working between the same maximum and minimum temperature limits does not have the same
consider a short cylinder whose top and bottom surfaces are insulated the cylinder was initially at a uniform
for each case determine the specific volume at the indicated state locate the state on a sketch of the t-v diagramwater
using the tables for water determine the specified property data at the indicated states in each case locate the state
a 30-cm-long 1-cm-diameter aluminium fin k237 wmacircmiddotk is exposed to an environment at 22oc the base temperature
consider an ideal simple rankine cycle with steam as the working fluid saturated vapor enters the turbine at 8 mpa and
a hot brass plate is having its upper surface cooled by impinging jet of air at temperature of 15 degree celsius and
a rigid container with volume v is originally filled with water of temperature t1 a hose is then connected to an inlet