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Determine the resultant of the system of concurrent forces having the following magnitudes

and passing through the origin and the indicated points: P = 280 lbs, C ( 6, -4, 0 ); T = 520 lbs, B

( -3, -4, 0 ); F = 270 lbs, D ( 4, 6, 0 ). Point A is located at ( 0, 0, 12 ).(in complete solution)


Steam enters the adiabatic turbine at a temperature of 500C, a pressure of 10 MPa and exits at a pressure of

8 MPa. Determine the work product per unit mass of steam if the process can be reversed.


Consider a steam power plant operating on a simple ideal Rankine cycle. Steam enters the turbine at 3 MPa and 3500C. The steam is then condensed in the condenser at a pressure of 75 kPa. Determine the thermal efficiency of the cycle and Draw a T-S diagram

THREE RESISTORS RA,RB AND RC ARE CONNECTED IN SERIES AND TO A 120 VOLTS

SOURCE. IF RB = 2 RA, RC = 3RA AND THE TOTAL POWER IS 200 W,

CALCULATE a.) THE RESISTANCE OF EACH RESISTOR


b.) THE POWER IN EACH RESISTOR


ΔHvap = 31.3 kJ/mol for acetone. If 1.40 kg of water were vaporized to steam in a boiler, how much acetone (in kg) would need to be vaporized to use the same amount of heat?


calculate the enthalpy change when 14.5g of water vapor condenses into liquid water


A 2-m-wide side rectangular gate is hinged at the bottom, as shown in Figure P2.64. It is attached to a 70-kN, 1-m-diameter cylindri- cal block by a cable. Determine the height H needed if the gate barely touches the stop.

One kg of air at 40oC dry bulb temperature and 50% relative humidity is mixed with 2 kg of air at 20oC dry bulb temperature and 20oC dew point temperature. Calculate the dry bulb temperature and specific humidity of the mixture. What is the relative humidity and dew point temperature of the mixture?


in the turbine of a gas turbine unit, the gases flow through the turbine at v17 kg/s and the power developedb by the turbine is 14000 kW



What does M stands for in the calculation of deflection of beams.


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