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A hydraulic cylinder connected to joints B and E exerts a force of 500 lb on the brake arms shown on the 20 lb brake drum below. Ignoring the weights of the arms, determine the couple M required to cause the drum to rotate counterclockwise at a constant speed. Also, determine the reaction forces at A, D, and C.
A MASS of gas at an inital pressure of 28 bar and with internal energy of 1500kj,is
the flow curve for austenitic stainless steel has the following parameters strength coefficient 1200 mpa and
Air is compressed from 23 C to 100 kPa to 500 kPa in a gas turbine. The air is heated to 520 C in the regenerator and then to 1200 C before entering the turbine. The isentropic efficiency is 100% for both the compressor and turbine. Please draw and l..
In theoretical (ideal) single-stage ammonia vapor-compression system, liquid leaves the condenser at 250 psia and 104 °F. Evaporator pressure is 18.30 psia. Vapor leaves the evaporator at 0°F. The system produces 25 tons of refrigeration.
in a spring mass system a 1kg block is dropped from a height of 1 meter on top of a spring with a spring constant k
what is the factor of safety for the footings against bearing failure if the clay soil has an unconfined compressive strenght of 3,600 psf? The back of the book says that for a 5 ft. footing, the estimated settlement= 1.72 in. And for a 10ft. foot..
Explain what is meant by an overall heat transfer coefficient and explain what is mean by failing and what its effect will be on the value of the overall heat transfer coefficient.
a solid shaft 200 mm in diameter rotates at f 20 revsec and is subjected to a bending moment of 21p kn.m. determine
using the values psub g15hp and f500rpm... a solid shaft ae transmits 100hp from motor m to machines connected to gears
Calculate the concentration (in weight percent) of molybdenum that must be added to tungsten to yield an alloy that contains 1.51 x 1022 Mo atoms per cubic centimeter.
A vessel of volume V = 10m^3 contains carbon dioxide under a pressure of p1 = 1 atm and at temperature of T1 = 273K. As a result of heat transfer to the gas, its temperature increases to T2 = 793K. The volume-specific heat of the gas at constant volu..
a container of diamer 6cm and height 10cm is filled with water 7cm high in the container.a at which rotation speed will
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