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A square 3m x 3m gate is located in the 45* sloping side of a dam. Some measurements indicate that the resultant force of the water on the gate is 500kN.(a)Determine the preassure at the bottom of the gate.(b)Show on a sketch where this force acts.
Two bars, one having a circular section of radius b, the other an elliptic section with semiaxes a,b. For equal angles of twist, which bar experiences the larger shearing stress?
(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.
Two kilograms of Refrigerant134a, initially at 2 bar and occupying a volume of 0.12 m3, undergoes a process at constant pressure until the volume has doubled. Kinetic and potential energy effects are negligible. Determine the work and heat transfe..
With reference to basic constructional features, contrast the methods of compression employed by positive displacement and dynamic air compressors.
Estimating fractions of a cost, Estimate what fraction of the price of a pocket calculator is required to cover the cost of developing the product.
Determine the maximum speed at which the car with mass can pass over the top point A of the vertical curved road and still maintain contact with the road.
The tank air pressure above the water level is 300kPa(absolute) while the atmospheric pressure is 100kPA. Neglecting frictional effects, determine the initial discharge rate of water from the tank.(Density of water=1000kg/m^3)
Each turbine stage isentropic efficiency of 85% FWH is open T-S diagram for cycle? What is thermal efficiency and the moisture content of the steam leaving the low-pressure turbine?
Average pressure at end of stroke? Upsetting force required at the end of the stroke? If friction is neglected, what is the amount of upsetting force?
Determine the mass fractions of alpha and beta phases, Determine the mass fractions of primary beta and eutectic microconstituents, Determine the mass fraction of eutectic beta
the entire assembly is placed in an environment whose temperature is 200c. determine the volume of chamber 1 when thermodynamic equillibrium has been estabilished.
Find the minimum power of the pump
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