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Consider a steam plant operating on a Rankine Cycle with two open feed water heaters as shown in the figure. steam exiting the boiler is at 18 MPa and 670 C. The high pressure open feedwater heater operates at 4 MPa and the low pressure feed water heater operates at 4 bar while the condenser is at 4 kPa. Determine the
a) Thermal efficiencey of the plant
b) Mass flow rate of steam leaving the boiler to produce 50 MW of power
C) Calculate the efficiency if a reheat loop was added at such that the steam leaves at 1 MPa and reenters the turbine at 450C
the acceleration of a particle is given by a -ks2 where a is in meters per second squared k is a constant and s is in
How is the technology utilized effectively or ineffectively? What are some barriers to more effective usage, and what are some recommendations you would make to overcome these barriers?
A 15cm cube of mass 3kg is lubricated with SAE 10 oil at 20oC (dynamic viscosity of 0.104Ns/m2) slides down a 10o inclined plane at a constant velocity. Estimate the speed of the body if the oil film has a thickness of 2mm and the velocity distrib..
solution of oblique-angled triangle all threesides known two side at 7.5 in. and base at .3437 in. what are the angles ?
determine the optimal pressures, temperatures, and fraction of steam extracted to maximize thermal efficiency.
The hull of a boat has a volume of 150 m3, and the total mass of the boat when empty is 8560 kg. Determine how much load this boat can carry without sinking (a) in a lake and (b) in seawater with specific gravity of 1.03.
a nuclear power plant has an electrical power output of 1800 mw and operates with an efficiency of 30. if excess
what are the four basic families of shape-production processes? Cite one advantage and one limitation of each family.
Determine the velocity ratios that can be achieved by the gear box in terms of number of teeth in the sun wheel and determine which component (out of the sun wheel, planet carrier and annular wheel) has to be used as the input shaft to get the req..
an air-hockey puck has a mass of 50 g and is 9 cm in diameter. it is placed on an air hockey table at 20 c and the film
The 25-kg bar has a centre of mass at G.If it is supported by a smooth peg at C,a roller at A and cord AB, determine the reactions at these supports.
Draw the shear force diagram for the beam and determine the position and magnitude of the maximum bending moment.
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