What is the required actual mechanical advantage
An Industrial water shutoff valve is designed to operate with 40lbs of force and will encounter 150lbs of resistance force applied to a 2in diameter axle. What is the required actual mechanical advantage of the system?
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To obtain the same antifreeze protection requires 76 g of propylene glycol to replace each 62 g of ethylene glycol. Calculate the mass of propylene glycol required to replace 1.00 gal of ethylene glycol. The density of ethylene glycol is 1.12 g/mL
A 75-lb stoplight is suspended between two poles as shown in fig p3-27. Neglect the weight of the flexible cables and plot the tension in both cables as a function of the sag distance d(0<d<8ft).
A typical aspirin tablet contains 500. mg of C9H8O4. What amount (moles) of C9H8O4 molecules and what number of molecules of acetylsalicylic acid are in a 500. -mg tablet?
Metallic aluminum reacts with MnO2 at elevated temps to form manganese metal and alunimun oxide. A mixture of the two reactants is 67.2% mole percent Aluminum. Find the theoretcal yield(in grams) of manganese from the reaction of 220 grams of this
A transconductance amplifier with Ri = 2 kΩ, Gm = 40 mA/V , and Ro = 20kΩ is fed with a voltage source having a source resistance of 2kΩ and is loaded with a 1kΩ resistance. Find the voltage gain realized (from the sour
If iron is oxidized to Fe2+ by a copper(II) sulfate solution, and 0.289 grams of iron and 21.0 mL of 0.433M copper(II) sulfate react to form as much product as possible, how many millimoles (mmol) of the non-limiting reactant will remain unused a
Give a circuit, complete with component values, for a weighted sum- mer that shifts the dc level of a sine-wave signal of 3 sin (ωt) V from zero to -3 V. Assume that in addition to the sine-wave signal you have a dc reference voltage of
A gas-turbine power plant operates on the simple Brayton cycle between the pressure limits of 100 and 800 kPa. Air enters the compressor at 30oC and leaves at 330oC at a mass flow rate of 200 kg/s.
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In general, what is the relationship between density of earth and temperature? Explain why.
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Describe the various layering arrangements and cell shapes of epithelial tissue. What characteristics are common to all epithelial tissues?