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Steady-state operating data for a simple steam power plant are provided in Fig. P4.102. Stray heat transfer and kinetic and potential energy effects can be ignored. Determine the (a) thermal efficiency and (b) the mass flow rate of the cooling water, in kg per kg of steam flowing.
The wheel of a crane lift is rolling on a flat rail. The radius of the wheel is 4 in, the contact length and force are 2.5 in and 1 ton respectively, and E = 30 MPa and ν = 0.3 for both parts. Determine (a) the maximum contact pressure, (b) the wi..
Suppose a 24V drill has a current drawn from it that measures 5 amps. The drill bit is 2 inches in diameter. What force is the drill bit placing on the surface if the speed is 25 rpm? Assume the drill has an efficiency of 90%
What is the force constant for the CO bond?
a 14 scale model of a tractor trailer is tested in a wind tunnel under standard sea level conditions. the model
steam enters an insulated nozzle with a velocity of 500 ms and a pressure of 5.0mpa and a temperature of 600 degrees
consider a large vessel divided into two chambers by a dividing nwall such as that described in lecture on 23 feb. the
the collar a is free to slide along the smooth shaft b mounted in the frame. the plane of the frame is vertical.
A tension member made of 2014-T651 aluminium has a dimensions of b= 30 and t=4mm. A safety factor of 3.0 against failure by either brittle fracture or fully plastic yielding is required.
The magnetic flux density within a bar of some material is 0.630 tesla at an Hfield of 5 X 105 A/m. Compute the following for this material: (a) the magnetic permeability, and (b) the magnetic susceptibility. (c) What type(s) of magnetism would you s..
a contact feedwater heater operates on the principle of mixing steam and water. steam enters the heater at 100 psia and
air at -55 f 4 psia and m2.5 enters a constant area isentropic process and leaves the isentropic process at m0.2
Determine the A matrices of this robot. What is the position of the end effector with respect to the base of the robot in the specified configuration?
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