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A 10-lb block B rests as shown on a 20-lb bracket A. The coefficients of friction are u_s=0.3 and u_k=0.25 between block B and bracket A, and there is no friction in the pulley or between the bracket and the horizontal surface. (a). Determine the maximum weight of block C if block B is not to slide on bracket A. (b) If the weight of block C is 10 percent larger than the answer found in a, determine the accelerations of A, B,and C.
determine (a) the compression ratio, (b) the cycle efficiency, (c) exhaust temperature, and (d) mean effective pressure (kPa). Draw (e) a P-v diagram and (f) a T-s diagram
The 50-lb load is hoisted by the pulley system and motor M. If the crate starts from rest and by constant acceleration attains a speed of 15 ft/s after rising s = 6 ft, determine the power that must be supplied to the motor at this instant.
after pumping stops and a new equilibrium is reached the tire pressure is 600 kp a and the air temperature in the tire
a cantilevered bar is 500 mm long with square cross section 25mm x 25 mm. three perpendicular forces are applied to its
Discuss the factors beyond crystal structure, quenching and temperature that affect he results of a specimen in a Charpy V notch impact testing.
(a) Draw and label a schematic of the system. (b) Determine the mass flow rate (kg/s) of water vapor neededand (c) the rate of exergy destruction (kW)
Consider a cold air-standard Diesel cycle. Operating data at principal states in the cycle are given in the table below.For k=1.4 Cv=0.718kJ/(kg*k), and Cp= 1.005 kJ/(kg*K)
consider the thin-walled beam section illustrated in the figure below. the beam has a vertical load of v 500 kn acting
problem 1heat is being generated uniformly throughout a sphere at volumetric rate 4. the radius of the sphere is r and
In our stress calculation example, we had an array of rod diameters and wanted to calculate the normal stress in each rod when it is loaded by an axial load P of 1000 lbs. EDU stresscalc ?
show how did you do the maintenance during your workshop machines were sent to your workshop from a big
piston cylinder device contains 0.06 m3 of saturated water vapor at 350 KPa pressure. Determine the temperature and the mass of the vapor in.
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