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At the instant it passes through an altitude of 20,000 ft above sea level, what are the temperature, pressure, and density of the surrounding air? 2) At the instant it passes through an altitude of 20,000 ft above sea level, what are the time rate of change of the temperature, pressure, and density of the surrounding air? * Do the same for if the jet is in a rapid decent at a time rate of change of altitude of -15 ft/s.
the coefficients of static friction and kinetic friction 0.4, 0.30 between all surface of contact. determine the force p for which motion of the 30kg block is impending if cable AB is attached is shown and removed.
a boat travels at a constant speed of 15 ms around the circumference of a half circle in a time span of 45 s. what is
a steam plant uses 3.045 tonne of coalh. the steam is fed to a turbine the output of which is 4.1 mw. the calorific
determine the minimum no of teeth required on pinion in order to avoid interference which is to gear with 1 a wheel to
a piston-cylinder device initially contains 1.4 kg of refrigent-134a at 140 kpa and 20 degc. heat is now transferred to
calculate: a) the overall train value. b) the output rational speed at shaft 5. c) the output torque at shaft 5. Relevant gear data is= NA= 17, NB= 36, NC= 19, ND= 41, worm E = double lead, worm G = triple lead, NH= 37?
Plot the total mass in the tank, in kg, and the amount of heat transfer, in kJ, versus the final quality x ranging from 0.2 to 1.0
a full revolution press has 100 rpm flywheel rotation.it has two handed trip devices mounted 20 inches from point of operation how many engagement points on the flywheel would be nessary to make this machine safe?
20 kg of water at 200 kpa with a quality 25 is heated under a constant volume process until its pressure reaches 400
A cylindrical specimen of this alloy 24 mm in diameter and 186 mm long is to be pulled in tension. Calculate the force necessary to cause a 0.0119 mm reduction in diameter. Assume a value of 0.33 for Poisson's ratio.
a horizontal cantilever of length l supports a load w uniformly distributed along its length. the cantilever is proped
Calculate the specific enthalpy at the compressor outlet. Include in your calculations the changes in kinetic and potential energy.
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