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How much computer memory (in bytes) would be required to store 10 seconds of a sensor signal sampled by a 12-bit A/D converter operating at a sampling rate of 5 kHz?
Discharge energy by heat transfer to a kitchen at 65F. What is the maximum thermodynamic coefficient of performance for the cycle.
Saturated liquid leaves the condenser at 0.06 bar. The efficiency of the pump is 88%. Compressed liquid leaves the pump at 100 bar. Using the isentropic efficiency of the turbine, find the specific e
Calculate the specific entropy change for each process, and generate the p-v and T-s diagrams (Use state 3 as the reference state)
A R-12 plant is to develop 5 tons of refrigeration. the condenser and evaporator temperature are to be 40c and -10 c respectively. Determinethe volume flow rate handled by the compressor in cubic met
Water enters a turbine at 500oC and 6 MPa and leaves at 10 kPa, what is the work output per unit mass if the turbine is reversible and adiabatic?
The work input is measured to be 485.4 kJ/kg. Knowing the surroundings is at 27oC, what is the heat transfer from the compressor, the entropy change of the water, the entropy generated?
Calculate the take off thrust assuming that the expansion in the cold nozzle is also isentropic, and that the hot nozzle area is ajusted so that hot mass flow is still 23[kg/s].
Calculate the nozzle exit area required and the thrust produced by this turbojet assuming that the expansion process in the nozzle is isentropic.
Detrmine the differential equation of motion of the spool using the x coordinate which is on the same like as the motion of the spool and determine the natural frequency of the system.
Assuming that v0 is greater than rw0 determine the acceleration of the center of the ball and the angular acceleratino of the ball until it starts rolling without slip.
The 6 kg sphere comes to a complete stop after the collision. What is the new velocity of the 10 kg ball immediately after collision?
Draw the complete Mohr Circle and (sigma1,sigma2) Plot. What is the safety factor with respect to initial yielding according to the Max Shear Stress Theory and the Max Distortion of Energy Theory?
The outer spring has D =50 mm, d = 9mm, and N =5; the inner spring D =30 mm, d=5 mm, and N =10. Determine the deflection and the maximum stress in each spring.
Air is expanded in a polytropic process with n = 1.5 from 2 MPa and 300 degrees celcius to 80 kPa in a piston-cylinder device. Determine the final temperature of the air.
What is the theoretical mechanical advantage obtained by the man who pulls on the return rope to roll the heavy barrel up the incline? (Use m* as the ratio of output force to input force.)
Create a seven by seven matrix with random numbbers between 1 and 70. Outpput a vector of the difference between the average and the minimum element values in each row of the matrix.
Nitrogen (N2) initially occupying 0.1 m3 at 6 bar, 2478C undergoes an internally reversible expansion during which pV 1.20 5 constant to a final state where the temperature is 378C.
One kilogram of water contained in a piston-cylinder assembly, initially at 160oC, 150 kPa determine heat transfer,work, change in entholpy and P-V diagram.
The steam is at 2 MPa and 400 C at the inlet. The steam pressure at the outlet is 100 KPa. Determine the specifi enthalpy at the inlet (KJ/Kg)
The tube has no external heat transfer and no koving parts, hence no work and all the flows are steady and have negligible kinetic energy. Find the fraction of the inlet flow that comes out at 0 deg
Room B has 1.5 kg air at 20 degrees celsius, both rooms at 100 kPa. Heat transfer between A and B creates a final uniform temperature. What is the final temperature?
The speed of water at the beginning of the pipe is 15.0 ft/s. What is the speed of the water flowing out of the 3.0" x 4.0" rectangular section in ft/min?
Finally it comes to a stop in one half a rotations. What was the total length of cable coiled around the drum during the entire time?
Air at 100 lbf / in 2, 500 degree F and a velocity of 100 ft / s enters a nozzle operating at steady state and expands adiabatically to the exit. Determine the nozzle efficiency. 87.4%