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A fluid power system incorporates a directional control valve similar to that shown in Fig. 10.30(a). Determine the pressure drop across the valve when 5.0 gal/min of hydraulic oil flows through the valve from the pump port to port A.
A cylinder filled with oil is under pressure from a piston, as shown in the figure. The diameter d of the piston is 1.80 in. and the compressive force F is 3500 lb. The maximum allowable shear stress τallow in the wall of the cylinder is 5500 psi.
a sling hygrometer measures a dry-bulb temperature of 24. 5 degree c and a wet-bulb temperature of 16 degree c. use a
With reference to basic constructional features, contrast the methods of compression employed by positive displacement and dynamic air compressors.
Bar AB is initially placed in a vertical position against a wall (θ= 0°). A small rock is placed on the bar at A. The bar is given a very small nudge to the right at B and starts sliding. Find the angle 0 at which the rock loses contact with the ba..
An adiabatic constant-volume combustion chamber is filled with a mixture of air and methane; lambda (AFR/AFRs) = 1.3. The initial temperature of the mixture is 25°C, and its pressure is 1 bar.
A tank with a fixed volume contains 1 kg of dry air at 200oC . If 200 kJ of heat is added to the tank determine the final temperature and change in entropy.
At the inlet to an axial diffuser the velocity of the approaching air is 420 m/s, the stagnation pressure is 300 kPa, and the stagnation temperature is 600 K.
the launch vehicle takes the moon orbiter to a circular orbit around the earth at 300km altitude. the orbiter is to
in alaska a 40 ft section of aisi 1020 steel pipe may see a variation in temperature from -50 degrees farnheit when it
An important fluid property is the kinematic viscosity which determines the viscous, or frictional, forces acting in a flow. The kinematic viscosity of air multiplied by 10^6 is given at 350, 450, 500, 550, and 650 K as 20.92,32.39, 38.79, 45.57, and..
A Venturimeter of throat diameter 0.076m is fitted in a 0.152m diameter vertical pipe in which liquid of relative density 0.8 flows downwards. Taking the coefficient of the meter as 0.97 find the discharge when the pressure gauges read the same
An air-conditioning system operating on the reversed Carnot cycle is required to transfer heat from a house at a rate of 727 kJ/min to maintain its temperature at 21°C. If the outdoor air temperature is 39°C, determine the power required to operate t..
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