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Two shafts whose axes are 216 mm apart are to be coupled together by standard spur gears with an angular velocity ratio of 1.5:1. Using a module of 4, select two pairs of gears to best fit the above requirements. What change in the given data would have to be allowed if each set were to be used?
A rigid tank initially contains 3 kg of saturated water vapor at 140°C. Heat transfer occurs, and the pressure drops to 200 kPa. Assume that kinetic and potential energies are negligible. Determine the amount of energy transfer by heat, in kJ.
In 1975 the roof of Montreal's Velodrome, with a weight of 360 kN, was lifted by 10 cm so that it could be centered. How much work was done on the roof by the forces making the lift?
A drawn, thin -walled tube has plastic (orthotropic) anisotropy. The axial direction of the tube is similar to the rolling direction of anisotropic sheet metal. The tube diameter is 3 inches and the wall thickness is 0.040 inch.
a pitot-static tube is used to measure the velocity of 20 degrees c 68f water flowing in an open channel. if a
a piston- cylinder assembly with initial volume of 80 liters contains 4kg of r-134a at a pressure of 160 kpa state 1.
A gaseous mixture with a molar analysis of 20% CO2, 40% CO, and 40% O2 enters a heat exchanger and is heated at constant pressure. An equilibrium mixture of CO2, CO, and O2 exits at 3000 K, 1.5 bar. Determine the molar analysis of the exiting mixt..
liquid water flows isothermally at 75of through a one-inlet one-outlet duct operating at steady state. the ducts inlet
Calculate the magnitude and direction of the torque required to hold the gearbox stationary (holding torque Th). Show the direction of the holding torque applied to the shaft with the aid of a sketch.
The corresponding radii of rotation are 0.2 m, 0.15 m, 0.25 m and 0.3 m respectively and the angles between successive masses are 450 , 750 and 1350 - Find the position and magnitude of the balance mass required , if its radius of rotation is 0.2 m..
a heat pump with a coefficient of performance of 3.5 provides energy at an average rate of 70000 kjh to maintain a
a tank contains a gas at an absolute pressure of 104.0 kpa. the pressure in the tank is measured using a mercury p13.59
a weather ballon is launched into the atmosphere by meteorologists. when the balloon reaches an altitude where is is
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