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For an eight-slot Geneva mechanism
a. Find the distance between the centers of rotation, r1, given the radius of the crank r2 (distance from the center of the driving plate to the center of the pin) and assuming that the pin enters and leaves the slot smoothly.
b. Find the length of the slot.
a 6-cylinder 3.8 l spark ignition engine operating on the ideal otto cycle takes in air at 104 kpa and 20 degrees
A gas inside a piston-cylinder device completes a three-step forward cycle, called the Lenoir cycle, described as follows: Complete a thermodynamic analysis of this cyclic process defining the system as the gas and neglecting any effect of friction. ..
A steel alloy is known to contain 93.65 wt% Fe, 6.0 wt% Mn, and 0.35 wt% C. (a) What is the approximate eutectoid temperature of this alloy? (b) What is the proeutectoid phase when this alloy is cooled to a temperature just below the eutectoid?
A well-insulated rigid closed tank contains a kg of saturated liquid-vapor water mixture at 1atm and quality 0.6842. The water is rapidly stirred by a 200Watt paddle source until it becomes saturated vapor.
The lever BCD is hinged at C and attached to a control rod at B. If P = 100 lb, determine the tension in rod AB and the reaction at C, using both the graphical method and the analytical method base on force decomposition.
Calculate the change in length of the steel and aluminium due to the temperature change alone. Then, assuming that the load P is not applied, and the temperature increases from 60?F to 110?F, calculate the change in length of the steel and aluminium.
Explain when it may be cost effective to use formal specification and verification in the development of safety-critical software systems. Why do you think that critical systems engineers are against the use of formal methods?
Friction between the piston and cylinder wall can be neglected because the process occurs so slowly. For the air, determine the initial and final pressures in kPa and the boundary work for the process in kJ.
a tank open to the atmosphere initially contains 2 lb of liquid water initially at 80degf and 0.4 lb of ice initially
The graph for the motion of a train as it moves from station A to station B is shown. Draw the a-t graph and determine the average speed and the distance between the stations.
An inventor claims to have developed a power cycle rejecting heat into a cold reservoir at 300 K. If it is claimed that the thermal efficiency is 40%, evaluate the claim if the hot reservoir is at a) 800 K, b) 300 K and c) 600 K.
consider a cogeneration power plant modified with regeneration. steam enters the turbine at 6 mpa and 450 celsius and
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