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Task 1 - The slider-crank mechanism shown below has a crank radius which is 125mm the mechanism rotates at a speed of 500RPM.
Use a vector diagram to determine the velocity of the piston at the position given in the diagram. Determine the angular velocity of link AB about point B.
Task 2 - A two-cylinder engine has a stroke length of 0.3m. The cranks are set at right angles and the mass, which may be considered to be rotating at each crank pin, is 125kg. The planes of rotation of the cranks are 0.5m apart and they are symmetrically placed with respect to two flywheels that are 1m apart.
Use the table below and a vector diagram to find the magnitude and angular positions of the balance masses required in the flywheels at a radius of 0.4m.
Task 3 - (Only b) A flywheel has a moment of inertia of 20 kg/m2 and rotator at a speed of 25 rads/s. This is coupled with a second flywheel which is initially rotating at 35 rads/s and has a moment of inertia of 15 kg/m2.
(a) Determine the rotational speed when the clutch plates are engaged.
(b) Calculate the energy lost during engagement.
at 25 degres c an aqueouse solution containing 35.0 wt h2so4 has a specific gravity of 1.2563. a quantity of the 35
Large stationary brayton cycly gas turbine power plant delivers a powr output of 100MW to an electric generator . Minimum temperature is 300K so T1= 300k max temp is 1600k
In a certain system of degenerate conduction electrons, only 1015 are "free" at 200 K.
Prepare dimensionless performance curves for the 205-mm-diameter radial flow pump of Fig. 12.6. Compare these with the curves shown in Fig. 12.12. Can you explain why there may be differences between the two sets of curves?
An 8-in.-by-12-in. Douglas fir (S4S) is used as a 10-ft-long cantilever beam. Compute the concentrated load at the free end that will cause a 3 4 -in. maximum deflection.
Estimate the entrainment velocity. Hint: The entrainment velocity for a sphere is equal to its settling velocity. [m/s] Approx. answer: 0.01 m/s
the radii of the exducer exit given that the radius ratio at that location is 0.4.
A 10kg block sliding along a frictionless surface with a velocity of 10m/s comes into contact with a horizontal, uncompressed linear spring. If the spring slows the block down to 0 m/s while being compressed a total of 30 cm, what is its spring const..
consider an ideal gas refrigerator using air acting between 1 and 3 bar pressure. assume that the temperature at the
A long steel bar of radius R = 2.5 cm, k =50 W/(m .°C), p = 7800 kg/m3, and c = 0.5 kJ/(kg. .°C) is to be annealed by cooling slowly from 800.°C to 100.°C in an environment at temperature 50.°C. If the heat transfer coefficient between the environme..
A rectangular unfinished concrete channel with a width of 18 ft conveys water at 350 ft3/s. The temperature of the water is at 30oC. The channel has a slope of 0.001. Determine the liquid depth for uniform flow. Is the flow supercritical or subcritic..
a helicopter moves horizontally in the x-direction at a speed of 120 miles per hour. knowing that the main blades
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