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Find a unique four-bar mechanism. Sketch the mechanism and provide a short description about the function and purpose of your four-bar mechanism.
Then in another 4s it moves from Sb to Sc +2.5 m. Determine the particle's average velocity amd average speed during the 6-s time interval.
A steam pipe of 120 mm outside diameter and is covered with a 20 mm thick layer of calcium silicate insulation (k = 0.089W/m * K ). Determine the heat rate per unit length from the pipe (W/M) and th
At time t=0, the velocity of the particle = 4m/s, and the time t=30s the velocity = 26m/s and displacement at time t = Dt metres. Derive expressions for both velocity and displacement as a function
Find the net amount of new disorder created and the irreversibility of the process. What might account for the calculated irreversibility and how could it be reduced?
The inlet temperature is 1000 K and the exhaust pressure is 100 kPa. Find the required inlet pressure and the exhaust temperature. Assume air is an ideal constant-Cv0 gas.
10 kg of gaseous oxygen is compressed in a piston-cylinder device from an initial state of .8 m^3/kg, to a final state of .1 m^3/kg, 287 deg C.
Find the rate of heat transfer from the ball bearings and the rate of production of new disorder in this quenching process.
The other of which is at .6 MPa, 600 deg C, mix adiabatically in a steady-flow process to produce a single outflow at .6 MPa, 400 deg C. Find the rate of generation of new disorder per unit outflow
It is estimated that the isentropic efficiency of the turbine is 70%. What is the maximum turbine inlet pressure if the exhaust is not to be in the two-phase region?
Steam flows steadily into a turbine at 2 MPa and 400 deg C, at a flow rate of 25 kg/s. If the turbine is adiabatic and the steam leaves the turbine at 100 kPa, what is the maximum power output of t
If the specific ratio is the same, what is the compression ratio for the air-standard Otto cycle that will provide the same efficiency as the Brayton cycle?
If the specific ratio is the same, what is the pressure ratio for the air-standard Brayton cycle that will provide the same efficiency as the Otto cycle?
In a cogeneration scheme, a Diesel engine-generator is used. The Diesel engine-generator is rated at 2000 kWe. What is the total efficiency of the cogeneration scheme?
Steam at 35 bar and 600 degree K enters a throttling valve that reduces the steam pressure to 7 bar. Assuming there is no heat loss from the valve, what is the exit temperature of the steam and its
Design considerations limit the maximum normal stress is 74 ksi, the maximum shearing stress is 40 ksi, the maximum normal strain to 2200 uin/in and the maximum shearing strain to 2500 ur ad.
The mix leaves the chamber at 200kPa and 70 dgree clecius, heat is lost to the surroundings at a rate of 190 Kj/min. Determine the rate of entropy generation during this process.
Find the time required for the machine to decelerate to 100 mph in standard air. What assumption did you have to make, and was this assumption valid?
At what point on the plate does the flow become transitional? Assume a unit width for the plate. Show the equations you used in addition to your plot.
R134a is condensed at a constant temperature of 30°C as it flows through the condenser of a refrigerator by rejecting heat at a rate of 6 kW.
Compute the percentage change in the volume of the oil in the system as the pressure is increased from zero to 3000 psi if the bulk Modulus of the oil is 189000 psi ( 1303 Mpa)
Two steel (E=30,000 ksi) pipes (1) and (2) are connected at flange B. Pipe (1) has an outside diameter of 6.625 in. and a wall thickness of 0.28 in. Determine the maximum downward load P that may be
A heat pump cycle is executed with R-134a under the saturation dome between the pressure limits of 1.6 MPa and 0.2 MPa. If the power consumption of the heat pump is 4.2 kW.
A heat pump absorbs heat from the cold outdoors at 3 C and supplies heat to a house at 20 C at a rate of 30,000 kJ/h. If the power consumed by the heat pump is 3 kW.
In a water heating system, cold water at 5 C flowing at a rate of 5 kg/s is mixed adiabatically with hot water at 80 C flowing at a rate of 2 kg/s, state the assumptions.