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A wheel has an initial clockwise angular velocity of 12 rad/s and a constant acceleration of 5 rad/s^2. a) Determine the number of revolutions it must undergo to acquire a clockwise angular velocity of 18 rad/s. b) What time is required?
Calculate the force required in direct extrusion of 1100-O aluminum from a diameter of 6 in. to 2 in. Assume that the redundant work is 30% of the ideal work of deformation, and the friction work is 25% of the total work of deformation.
water density 1000 kgm3 flowing in a horizontal 25 cm diameter pipe at 8 ms and 300 kpa gauge enters a 90 degree
a garden hose attached with a nozzle is used to fill a 10-gallon bucket. the inner diameter of the hose is 2 cm and it
(a) derive an expression for the net work transfer for the cycle. Prove that for a Stirling Cycle, the net work transfer is always from the system to the surroundings.
it is 30degf outside. the temperature of the outside surface of a building is 33degf. the thickness of the building
Questions set on Entropy, Exergy, Cycles, Otto Cycle, Rankine Cycle. In a coal fired thermal power station, indicate where the exergy contained in the coal is destroyed. For each exergy destruction mechanism, explain whether there is a small..
Estimate the infiltration flow rate if the window is partially open (assuming the window open area is 2 meter squared).
Vertical plane due to the action of the external moment and determine the external moment or force.
a 40 mm diameter hole is drilled 3 m deep into the steel shaft. when the two torque are applied determine a the maximum
the magnetic field produced by the solenoid in a magnetic resonance imaging mri system designed for measurements on
Important information about Multipal choice question on mechanics, A machine is supplied energy at a rate of 4,000 W and does useful work at a rate of 3,760 W. What is the efficiency of the machine?
electric power is to be generated by installing a hydraulic turbine-generator at a site 130m below the free surface of
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