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A 1.2 kg block is tied to a string that is wrapped around the rim of a pulley of radius 7.4 cm. The block is released from rest.
Assuming the pulley is a uniform disk with a mass of 0.31 {rm kg}, find the speed of the block after it has fallen through a height of 0.50 {rm m}.
In the gear-and-shaft system shown, the shaft diameters are dab= 2 in. and dcd=1.5 in. Knowing that G = 11.2 x10^6 psi, determine the angle through which end d of shaft cd rotates.
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.
The force exerted on the cue ball by the cue is horizontal. Determine the value of h for which the ball rolls without slipping. (Assume that the frictional force exerted on the ball by the table is negligible.)
Determining the largest couple that can be applied to a beam in pure bending. A beam of cross section shown is extruded from an aluminum alloy for which σy = 310 MPa and σu = 480 MPa.
Determine metal removal rate, etching time, and required dimensions of the opening in the cut and peel maskant required to achieve the desired pocket size on the part.
Steam enters the turbine of a simple vapor power plant with a pressure of 160 bar and a temp of 560 C and expands adiabatically to 0.08 bar
For a vehicle in gravitationless space, determine the mass ratio necessary to boost the vehicle velocity by 1600 m/sec; the effective exhaust velocity is 2000 m/sec and the initial total vehicle mass is 4000 kg.
The humidity of air can be determined by use of two different thermometers; a 'dry bulb' thermometer and a 'wet bulb' thermometer. explain how these thermometers can be used to estimate the amount of water vapour in the air.
Write a complete program consisting of a Main Program and Subprogram (you choose which type, but there should be only one) that fulfills the following requirements.
Calculate the ultimate tensile strength (engineering) of a material whose strength coefficient is 700 MPa and a tensile test specimen which necks at an engineering tensile strain of 0.35.
Plot the total mass in the tank, in kg, and the amount of heat transfer, in kJ, versus the final quality x ranging from 0.2 to 1.0
What is the difference between corrosion and stress corrosion cracking of pipelines? Which of them is more dangerous and why?
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