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A hydraulic shear applies 2000 lb force to a wedge. It is used to shear plate steel to rough size. The shear has a 1/4 inch thick cutting blade with a 45 degree slope. What is the ideal mechanical advantage of the wedge?
Determine the mass flow rate of the air passing through this engine and the rates of heat addition and rejection when this engine produces 1000 hp. Assume constant specific heats at room temperature.
If the engine exerts a traction force of 1/8 of the weight of the train, determine the speed of the train when it has traveled up the slope a distance of 1.1 . Neglect rolling resistance.
Motor coming to rest, A motor is running at 12 rpm and the switch is flipped and cuts the power. The rotor weighs 75 lbs.
wall temperature needed for the runner to cylinder #3, such that the cylinder air inlet temperature is the same as that in cylinder #1. Runner length for cylinder #3 is 15 cm.
sleep apnea is a disorder involving brief interruptions of breathing during sleep. many patients who suffer from sleep
The uniform 6-kg slender rod rests on the top center of the 3kg block. If the coefficients of static friction at the points of contact are ua=.4 and ub=.6, and uc=.3, determine the largest couple moment M which can be applied to the rod without ca..
a shaft is made of a steel alloy having an allowable shear stress of 12 ksi. If the diameter of the shaft is 1.5 in., determine the maximum torque T that can be transmitted. What would be the maximum torque T' if a 1 in. diameter hole is bored thr..
What are the percentages of the total heat absorption taking place in the economizer, boiler drum and the superheater, respectively? Assume cp of air and water as 1.005 kJ/kg K and 4.2 kJ/kg K, respectively.
how to calculate rupture point of a sample in four point bending, given dimensions, Young's modulus, Yield strength and I(Moment of inertia area)
Shows an electric-circuit which is called a phase-lag network. Derive the transfer function and consider the above bock-diagram of figure (3). You are now required to derive the transfer function Y(s)/R(s), by using the signal flow graph meth..
What is the acceleration of the aircraft (in m/s2)? How long does it take the aircraft to reach its take-off speed?
the coefficient of restitution is 0.9 between the two 60-mm-diameter billiard balls a and b. ball a is moving in the
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