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A 6-ft-long solid steel shaft with a diameter of 4 in. transmits 250 hp at a speed of 250 rpm. Determine whether the following two requirements are satisfied:
a. The maximum shear stress is not to exceed 10,000 psi.
b. The angle of twist is not to exceed 1°.
Two aqueous sulfuric acid solutions containing 20.0 wt% H2SO4 (SG = 1.139) and 60.0 wt% H2SO4 (SG = 1.498) are mixed to form a 4.00 molar solution (SG = 1.213). Calculate the mass fraction of sulfuric acid in the product solution.
solution the slider a has a mass of 2kg and moves in a slot in a vertical sliding plate. i what horizontal acceleration
The circuits below are an illustration of the working of a pressure reducing valve and a high-low system employing an unloading valve. Explain the operation of the valves
An oil engine operating on the ideal diesel cycle has the overall compression ratio of 16:1, and the adiabatic expansion ratio or 8.75. The pressure and temperature at the beginning of adiabatic compression are 102.5 Kpa and 297K, respectively and th..
the system on site is a pressure sand filter with a service curve. the filter is backwashed using the feed pump at a
find an expression for rate of heat loss as a function of the other three parameters in the problem. (b) If the temperature difference ? T doubles, by what factor does the rate of heat loss increase?
In problem 15.1, if the annual carrying cost is 20% per unit, what will be the annual savings in carrying cost?
a centrifuge is used to remove solids from a 14.0 ppg mud using 8.33 ppg water. the mud and water enter the centrifuge
Write a function called year2016 that returns a row-vector of struct-s whose elements correspond to the days of a month in 2016 as specified by the input argument. If the input is not an integer between 1 and 12, the function returns the empty array...
The motor is delivering its rated output power at a speed of 910 rpm. Rotational loss of the motor is 600 watts. Using the approximate equivalent circuit, (a) determine the rated power of the motor
When a positron and an electron meet, they are both annihilated into pure energy. Calculate how much energy (in MeV) is released in this reaction assuming that each particle is moving at 50% the speed of light.
a steam power plant is proposed to operate between a pressure of 10 kpa and 2 mpa with a maximum temperature of 400 oc.
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