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It is required to lift a skip whose load total is 14 kN. Two simple lifting jacks are available both having an effort piston diameter of 10 mm and a load piston diameter of 70 mm and the load is to be distributed equally between the two.
Calculate:
(i) the force ratio and movement ratio of each jack
(ii) the pressure within the hydraulic fluid.
a piston cylinder device contains 0.3kg of r134-a initially at 0 c and 400 kpa. the cylinder is then heated until the
In case of a fire on the deck of an aircraft carrier, the firefighting crew may wish to take advantage of all the seawater around the ship. If the deck of the ship is 15 m above sea level, what problems do you see in drawing water up by suction? Can ..
a truck traveling at vo 60 mph when the driver applies the brakes to come to stop the deceleration of the truck is
What information do you need to know from the process engineering department to select suitable pipe? What information do you need to know from the structural engineering department to select suitable pipe?
A water fountain consume 24.1 amps (operating at 110 V) to chill water from 23 C to 5 C. It is known that heat is rejected from the unit at a rate of 9.5 kW. Assuming steady flow operation and constant specific heat for water (at 25 C)
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What are stress concentrations, what causes them, and why should engineers be concerned about them?
a circular shaft of diameter d rotates at a speed n and is supported by a journey bearing with clearance c. the
Field of technical function generation for a product development process. The purpose of the paper. This paper is a work done in the field of technical function generation for a product development process.
a child throws a ball from point a with an initial velocity v 20 ms at an angle of 25 degrees with the horizontal.
a vertical hydraulic cylinder has a 125-mm diameter piston with hydraulic fluid inside the cylinder and an ambient
An inventor claims to have developed a device that executes a power cycle while operating between reservoirs at 500 and 300 K that has a thermal efficiency of (a) 45%, (b) 40%, (c) 35%. Evaluate the claim for each case.
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