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A raindrop falls vertically through stationary mist, collecting mass as it falls. The raindrop remains spherical and the rate of mass accretion is proportional to its speed and the square of its radius.
Show that, if the drop starts from rest with a negligible radius, then it has constant acceleration g/7.
Determine the change in specific entropy between the specified states, in kJ/kg·K. Water, p1 =10MPa, T1 =400°C,p2 =10MPa, T2 =100°C. Air asanidealgas,p1 =200kPa, T1 =7°C,p2 =100kPa, T2 =327°C.
Calculate the ratio of final pressure to the intial pressure Calculate the final temperature Change in internal energy Calculate the molar specific heat capacity of the process.
lf the 50-kg crate starts from rest and achieves a velocity of v 4 ms when it travels a distance of 5 m to the right
A laminated thick-walled cylinder was fabricated by shrinking a steel (E=200 GPa and nu=0.03) sleeve having an inside diameter of 199.800mm and an outside diameter of 300mm onto a steel tube with an inside diameter of 100mm and an outside diameter of..
A group proposes a 2000 barrel-per-day ethanol output biorefinery using Jerusalem artichokes. What is the daily feedstock requirement for this biorefinery? What is the minimum amount of land required to grow the feedstock (f = 100%)?
a steam power plant utilizes the rankine cycle. steam enters the turbine at 50 bar and 500oc respectively. condenser
When the steam supply is cut off a turbine rotor of mass 850 kg is retarded uniformly under the effects of a 125 Nm bearing friction torque. If its speed falls from 1000 to 500 rpm in a time of 5 min, determine the angular retardation and the rad..
Each of the two vertical links BD has a uniform cross section 0.375 X 1.5 in. Determine the axial deformation and normal stress in each link for the loading shown. Determine the axial force in each link for the loading shown. Use E = 29 X 10^6 psi
a flat isothermal heating panel 0.5 m wide by 0.8 m high is mounted to one wall of a large room. the surface of the
a vapor flows through a pipe with a mass flow rate of 30 kgmin. the following properties are given at a particular
The pendulum consists of a uniform disk attached to a rod of negligible weight. Determine the two values of the distance L for which the period of the pendulum is 1.4 s for small amplitudes.
Tankless microwave water heating systems have been introduced that not only quickly provide hot water but also significantly reduce the exergy destruction inherent in domestic water heating with conventional electrical and gas- fueled water heater..
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