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1. Helium in an external storage tank on a spacecraft is expanded through an isentropic attitude control nozzle with a negligible inlet velocity from 2.00 MPa, 10.0 K to 0.0100 MPa. Assuming constant specific heats and using the generalized charts, determine the exit temperature and velocity.
2. Sulfur dioxide with a negligible inlet velocity is expanded through an isentropic nozzle from 20.0 MPa, 500. K to 0.200 MPa in a chemical processing unit. Assuming constant specific heats and using the generalized charts, determine the exit temperature and velocity.
Determine the principal stresses and the maximum in-plane shear stress acting at the point. Show these stresses in an appropriate sketch
initially 1.361 kg of steam is contained in a piston-cylinder device at 260 degrees celsius with a quality of 0.7. heat
in a jet engine a flow of air at 1000 k 200 kpa and 40 ms enters a nozzle where the air exits at 500 ms 90 kpa. what is
a cold-air standard diesel cycle has a compression ratio of 16 and begins compressing air isentropically from an
Applied Loads, Young's modulus, Poisson's ratio, The Young's modulus and the Poisson's ratio for copper are 124.8 GPa and 0.36 respectively. When a tensile load is applie to a 1.5cm diameter copper rod
determine the maximum theoretical speed that may be achieved over a distance of 360ft by a car of weight w starting
Calculate the torque M on the shaft of the gate at B required to prevent the gate from opening when the salt-water level drops to h = 3 ft.
Calculate the value of linear acceleration that will produce a relative displacement of 2.5 mm on the instrument. Calculate the value of ω1/ωn such that
an egg can be approximated as a 5.5cm diameter sphere. the egg is initially at a uniform temperature of 8c and is
a particle moves along a stright line with an acclereation a 2 v 12 where v is in ms.if s0 v4 ms.when t0 determine the
What is the lowest frequency signal received at the receiver. Disregard reflections at the connection between the two waveguides.
Repeat the calculations in Problem 2-16, assuming that the voltage source was 15 V. the resistance was 20 MO and the capacitance was 0.050 µF. Use as times 0. 1.2.3.4.5, and 10 s.
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