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The slotted wheel rolls to the right without slipping, with a constant speed v = 2.1 ft/sec of its center O. Simultaneously, motion of the sliding block A is controlled by a mechanism not shown so that x Overscript dot EndScripts = 1.9 ft/sec with x Overscript two-dots EndScripts = 0. Determine the magnitude of the acceleration of A for the instant when x = 6.5 in. and θ = 37°
One kilogram of air as an ideal gas executes a Carnot power cycle having a thermal efficiency 50%. The heat transfer to the air during isothermal expansion is 50 kJ. At the end of the isothermal expansion, the pressure is 574 kPa and the volume is..
Design a high pressure homogenizer for the manufacture of 10^6 kg per year of salad dressing.
Estimate the torque required at the base of a flag pole to hold it in place in a 30mph wind. Assume the flag pole is a vertical cylinder with D=10cm and L=10m, and assume the wind drag force is uniform along the pole.
A heat pump is used to maintain a house at a constant temperature of 23 °C. The house is losing heat to the outside air through the walls and the windows at a rate of 60,000 kJ/hr while the energy generated within the house from people
Calculating the heat transfer rate and the rate that entropy is produced in a gear box. A gearbox operating under steady state conditions recieves 24 hp along the input shaft and delivers 10hp along the output shaft
Sketch the fully annotated velocity triangles for a Parsons turbine stage. Use your sketch to show that the specific work produced per stage is given as w_stage = (C_b)^2 [1 + 2(f/C_b)(cot(B_1))].
Calculate energy savings, implementation costs and simple payback. You should be able to find some tips and calculations from the text book.
Design life is 9630 hours, rotating at 250 rpm, load of 880 lbs, what is the basic design load rating (assuming no axial loads)?
Water enters a 2 meter diameter pipe at a temperature of 23 deg C. The water leaves the pipe at a temperature of 97 deg C The laminar flow rate is such that the Reynolds number is 800. What is the mass flow rate?
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.
Determination of the open-loop system
If the deflection of the gae fluid height, h, is 2 inches find the 1) velocity of the jet air and 2) the force exerted on the disk by the air.
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