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The two elastic cords are connected to the ball of mass m and stretched to initial tension T. If the ball is given a small lateral displacement and released, determine the frequency of the ensuing vibration
Suppose a jet engine takes in air at a mass flow rate of 100 kg/s. Also assume that the exhaust velocity of the air is 500 m/s relative to the plane.
a 12.7 mm diameter twist drill is used to drill a hole in a low-carbon steel workpiece using a feed of 0.3 mmrev and a
Calculate the rate at which radiation is incident on A3 due to emission and reflection from A1.
A fluid of unknown density is used in two manometers-one sealed-end, the other across an orifice in a water pipeline. The readings shown here are obtained on a day when barometric pressure is 756mm Hg. What is the pressure drop (mm Hg) from point ..
Water vapour enters an adiabatic turbine at a flow rate of 820 L/s. The turbine expands the water from 10 MPa and 600oC to 8 kPa and a quality of 0.9. Kinetic energy and potential energy effects can be ignored.
airplane takeoff from an aircraft carrier is assisted by a steam driven pistoncylinder device with an average pressure
a crate with mass 50kg is pulled up a 30 degree incline by a person pulling on a rope that makes a 30 degree angle with
A spring stiffness k= 500 n/m is mounted against a 10 kg block. if the block is subjected to a force of 1 KN determine the velocity of the block at s=0.3 m when s=0, the block is at rest and the spring is uncompressed. The coefficient of fricktion is..
Figure provides steady-state test data for a steam turbine operating with negligible heat transfer with its surroundings and negligible changes in kinetic and potential energy. A faint photocopy of the data sheet indicates that the power developed..
a beam of rectangular cross section is 200 mm deep 100 mm wide and 3 m long. it is simply supported at each end. it has
An air-standard Brayton refrigeration cycle maintains a refrigerated space at -230C while rejecting heat to the surroundings at 27oC. The pressure ratio is given as 3, with a mass flow rate of 0.08 kg/s.
For a natural gas with a molar analysis of 40% pentane(C5H12), 35% methane (CH4), and 25% propane (C3H8), determine the enthalpy of combustion, in KJ/kmol of mixture, at 25 Degrees C, 1 atm, assuming water vapor in the products.
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