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the frame ACD is supported by a ball-and-socket joint at A and D and by a cable which passes through a ring at B and is attached to hooks at G and H. Knowing that the frame supports at point C a load of magnitude P=268N, determine the tension in the cable.
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)
A 50 hp motor with an efficiency of 0.80 is to be replaced by a newer model motor with an efficiency of 0.90. The motor is expected to operate 3000 hours per year. The cost of electricity in our area is $0.06 per kWhr.
An air conditioner in the airport of Timbuktu runs a cooling system using R-410a with a high pressure of 1500 kPa and a low pressure of 200 kPa. It should cool the desert air at 45 degrees C down to 15 degrees C. Find the cycle COP. Will the syste..
Draw a graph of system head and fluid power against flow rate on one sheet of graph paper, using the values determined in(c)
A short 60-mm-diameter circular bar is made of a material for which the maximum safe compressive stress is 80 MPa and the maximum safe shearing stress is 30 MPa. Determine the maximum axial compressive force that can be safely applied.
Niobium forms a substitutional solid solution with vanadium. Compute the weight percent of niobium that must be added to vanadium to yield an alloy that contains 1.55 x 1022 Nb atoms per cubic centimeter. The densities of pure Nb and V are 8.57 an..
determine the work and heat transfer, each in kJ. sketch the process on p-v and T-s coordinates. Associate the work and heat transfer with areas on these diagrams.
What happens to the cutting and thrust force as tool rake angle and cutting speed are increased and what is the relation between the cutting and thrust forces to the depth of cut?
Determine an expression for the number of cycles to failure, Nf if the initial crack size is a0. State any assumptions you make.
State the sequence in which the cylinders operate on the operation of the start valve and show, with the aid of a schematic diagram, how an electronic controller could be included in the circuit to control the sequence of cylinder operations.
Horsepower and efficiency of three-phase motor, If a fully loaded 440V, three-phase motor draws 12.4 A at 86% power factor (pf). It's speed is 1730 rpm and its torque output to a mechanical load is 29.1 lb-ft x 1.356 = 39.5 Nm.
Determine the maximum horizontal displacement s of the block. Each of the two springs has a stiffness of k = 2500N/m and an unstretched length of 0.15 m.
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