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a diesel engine with displacement volume of 600in^3 , has a cutoff ratio of rc = 3 and compression ratio of rv =19. It developes 500HP at 2000 rpm under inlet conditions of 14.7 psia and 70 degrees F, determine
(a) work cycle,
(b) heat rejected per cycle
(c) Thermal efficency
saturated water vapor is enclosed in a piston cylinder arrangement with a volume v initial 5 liters at a temperature
consider a steam power plant that operates between the pressure limits of 5 mpa and 10 kpa. steam enters the pump as
A transmission tower is held by three guy wires anchored by bolts at B, C, and D. If the tension in wire AB is 2100 N, determine the components of the force exerted by the wire on the bolt at B.
An airplane, of overall length 55ft, is designed to fly at 680m/s at 8000-m standard altitude. A one-thirtieth-scale model is to be tested in a pressurized helium wind tunnel at 20 degrees Celsius. What is the appropriate tunnel pressure in atm? Even..
A high-speed elevator is being designed that must be able to travel at a maximum speed of 11.5 fts. You are asked to recommend the lift motor to use. The completely furnished carriage will have a mass of 3500 pounds. The design occupancy limit will b..
a fan with 1-m-diameter blades moves air at 20degc at sea level. the fan produces a volumetric flow rate of 942 m3min.
air enters a compressor at ambient conditions of 100kpa and 17 degc with a low velocity and exits at 1mpa 327 degc and
block b moves downward with a constant velocity of 20 mms at t0 block a moving upward with a constant acceleration and
jus before it lifts off a 10500 kg airplane is traveling at 60 fts. the total horizontal force exerted by the planes
Calculate the vacancy concentration in aluminum at 50%, 70%, and 90% of TMP=923 K. Gvf = 0.66 eV, and k = 8.62 x 10-5 eV/K. Calculate ln (nv/N) and 1/T, and plot on a linear scale (hint: should be a straight line).
the diameter of the hollow core of a solid propellant grain remains axially uniform during burning. its length is 5 m
Given the function 2x5 array, x:[7,6,1,2,0;-1,4,3-2,0] execute the following operations: create array a with identical dimension to array x that set the negative values of x to zero. Create array b with identical dimention to array x which adds 3 to ..
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