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A 30cm diameter pulley which turns 350rpm on a shaft drives another pulley on a shaft at a distance of 100cm.
Determine the diameter of the driven pulley and the approximate belt length if A) it rotates in the same direction at 450rpm B) it rotates in the opposite direction at the same speed
1. a rigid tank that is initially evacuated is connected through a valve to a supply line that carries air at 200kpa
Air at 40 °C, 1 bar, and 10% RH goes through an evaporative cooler, and the outlet air is cooled to 27 °C. Find (a) the relative humidity at the outlet, and (b) the amount of water added (kg H20 per kg of air).
consider the one-dimensional flow whose velocity is given by u x t i. a determine the unsteady convective and total
how did computers impact the field of engineers and technologiststechnicians? what future implications do you see
To study the velocity profile of motor-oil flow in a circular pipe, it was proposed to conduct a test using water (instead of oil). The oil-conducting pipe diameter is 0.4 m and the expected average velocity is about 1.5 m/s. For the properties of th..
Beryllium has an HCP unit cell for which the ratio of the lattice parameters c/a is 1.568. If the radius of the Be atom is 0.1143 nm, (a) determine the unit cell volume, and (b) calculate the theoretical density of Be.
a de-superheater works by injecting liquid water at 20 degrees c into a 10 kgs stream of superheated water vapor at 300
below is pressure measured at different timetime
a refrigeration cycle uses refrigerant 134-a as the working fluid. the refrigerant leaves the evaporator as a saturated
A typical car with a full tank of gasoline contains 10^6 BTU of chemical energy. If the car has a weight of 3500 lbf, what is the maximum speed (in miles-per- hour, 1 mile = 5,280 ft) the car could obtain by accelerating from rest neglecting drag or ..
A two-stage compressor is used to compress air from 100 kPa at 298 K to 900 kPa at a rate of 0.5 kg/s. After the first stage compressor, an intercooler isobaric ally cools the air to 350 K before entering the second compressor stage.
A similar measurement is made applying the force parallel to one of the cube axes. Explain why the two measurements give different values of the elastic modulus.
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