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In a certain engine a piston executes vertical SHM with amplitude 2 cm. A washer rests on the top of the piston. If the frequency of the piston is slowly increased, at what frequency will the washer no longer stay in contact with the piston?
suppose you have a choice between a straight triangular or rectangular fin constructed of aluminum with a base
A rigid tank contains 5 kg of saturated liquid-vapor mixture of H2O at 100 kPa and quality of 24.4%. A heat transfer process occurs until the H20 in the tank is a saturated vapor.
consider a single crystal cylindrical specimen of iron oriented such that a tensile load is applied along a 010
a diesel engine performs 2090 j of mechanical work and discards 4125 j of heat each cycle.a how much heat must be
contrast the chase demand adjusting internal resources to match changes in demand and the level resource shifting and
Determine the number of pounds of helium within it if its volume = 68,000 ft^3 and the temperature and pressure are 80 F and 14.2 psia.
consider a steam power plant that operates between the pressure limits of 10 mpa and 20 kpa. steam enters the pump as
Plot (or provide an animation) of the four bar mechanism in at least 3 positions throughout the motion (on one diagram). Describe how the mechanism is designed in order to maintain planar motion (i.e. how are constraints applied to limit motion).
the electric heating systems used in many houses consist of a simple duct with electrical resistance wires. air is
Water at 24 degree C flows at 0.8 m/s in a smooth, 1.5 cm I.D. tube that is kept at 27 degree C. The system is extremely clean and quiet, and the flow stays laminar until a noisy air compressor is turned on in the laboratory. Then it suddenly goes tu..
a brayton cycle with regeneration using air as the working fluid has a pressure ratio of 7. the minimum and maximum
We are learning about oscillations and second-order dynamic systems. We observe a crane at a construction site on campus and notice that as soon as the crane operator releases the load, the whole crane oscillates back and forth several times as the v..
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