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A jet plane cruises at a speed of 980 km/hr. air enters the turbojet engines at 0.73 bar, 230 k. the pressure ratio across the compressor is 10 and the turbine inlet temperature is 1650 k. the diameter of the engine is 1.2 m. using typical assumptions for all the components and 100% component effeciencies, determine:
a) the mass flow rate of air
b) the specific enthalpies at the entrance and exit of all the components
c) the exit velocity of the gases.
d) the heat supplied by the fuel
e) the thrust of the engine
a bar and fulcrum lever is being used to lift a 100lb rock. the lever is 10ft and the fulcrum is 2 ft from the rock.
two channels are welded to a rolled w section as shown. determine the moments of inertia and the radii of the gyration
another guide recommends 12700 lbhr water flowrate through 2 pipe and says that this will give 16 water friction
A particle slides freely on a flat surface, attached to a mass less string that passes through a hole in the surface. At a given moment, the particle is moving in a circle of radius r0 with angular velocity w0. Assume that the string is pulled throug..
Compute the x-and y-components of the force acting on the pinB connecting the two members of the machine subjected to the 200-N load.
a boy throws a ball straight up from the top of a 12m tower. if the ball falls past him 0.75 s later determine the
a cylindrical tank of methanol has a mass of 40 kg and a volume of 51 l. determine the methanols weight density and
the assembly consisting of a uniform slender bar mass m5 and a rigidly attached uniform disk mass 4m5 is freely pinned
a 4cm outer diameter and 3cm inner diameter circular shaft supports a 200n load and is supported at two points which
draw the shear and bending-moment diagrams for the beam and loading shown and determine the maximum normal stress due to bending.
air at 110 kpa and 250 k is compressed steadily to 570 kpa and 400 k. the mass flow rate of air through the compressor
A pin-connected structure consists of a rigid beam ABCD and two supporting bars. Bar (1) is an aluminum alloy [E = 70 GPa] with a cross-sectional area of A1 = 2,400 mm2. Bar (2) is a bronze alloy [E = 100 GPa] with a cross-sectional area of A2 = 6,00..
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