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A Steam turbine produces power W'= 3000 hp from a mass flux m'= 20000 lb/hr. The steam enters at Temperature T1= 810.78 K and Pressure P1= 800 psi, and exits at Pressure P2= 2 psi. Calculate the efficiency of the turbine. (The efficiency is determined by the ratio of the actual work output Wa to the ideal work output Ws) The Ideal work output corresponds to an constant-entropy process.
the two bars shown in the figure are used to support a load p. when unloaded joint b has coordinates 0 0. after load p
Determine the maximum horizontal displacement s of the block. Each of the two springs has a stiffness of k = 2500N/m and an unstretched length of 0.15 m.
distance per tank of gas a car with a 20-gallon gas tank averages 21.5 miles per gallon when driven in own and 26.8
what are the properties of petrol that it makes particularly suitable for the use as afuel in a motor vehicle.
A 12 kN force is exerted on a rocker arm. The moment of inertia (I) of the crosssection with respect to the neutral-axis is 43.3x10-9 m4.
the rod of the fixed hydraulic cylinder is moving to the left with a constant speed. determine the corresponding
Principles of Engineering Economic Analysis-Time value of money-use of gradient factor is expected
in the rectangle in the drawing a charge is to be placed at the empty corner to make the net force on the charge at
Explain what is meant by an overall heat transfer coefficient and explain what is mean by failing and what its effect will be on the value of the overall heat transfer coefficient.
on an assembly line that fills 8-ounce cans a can will be rejected if its weight is less than 7.90 ounces. in a large
the critical resolved shear stress of a bcc metal is 7 mpa. a single crystal of this alloy is the 0 0 1 direction.
Determine (a) the horizontal line along which the shearing stress is a maximum, (b) the constant k in the following expression for the maximum shearing stress.
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