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A band brake is in contact with drum C through an angle of 180° and is connected to the horizontal lever at A and B, as shown. The drum diameter is 16 in. The coefficient of kinetic friction between the brake band and the drum is 0.40. Force P is 90 lb. Determine the tensions at A and B in the band brake if the drum is rotating
a. clockwise
b. counterclockwise
If the instrument weights 85 N, find the necessary static deflection of the isolator.
Calculate the 00 and 04 nodal temperatures at t = 120 s, that is, T(0, 120 s) and T(0.15 m, 120 s), and compare the results with those given in Comment 1 for the exact solution. Will a time increment of 0.12 s provide more accurate results?
Two standard gears in mesh have 48 and 102 teeth, respectively. Their diametral pitch is 10, and the pinion rotates at 60 rpm cw. Determine the center distance between the gears, the pitch diameters, the circular pitch, the pitch line velocity, the l..
Air enters the compressor of an ideal cold air-standard Brayton cycle at 100 kPa, 300 K, with a mass flow rate of 6 kg/s. The compressor pressure ratio is 10, and the turbine inlet temperature is 1400 K. For k 5 1.4, calculate
carbon dioxide enters an adiabatic diffuser at 220 ms 80 kpa and 127 degc at a rate of 1.5 kgs. if the carbon dioxide
a circular specimen of mgo is loaded using a three-point bending mode. compute the minimum possible radius of the
consider a 12-cm-thick plane wall with its inner surface temperature fixed at 0 degrees celsius. when its outer surface
a 10 lb uniform thin bar bc of length l10 ft is pinned at b to the edge of a 18 lb uniform disk of radius r 3.2 ft.
the position of an object is moving along an x axis is given by x3t - 4t2t3 where x is in meters and t is in
Water at 100 kPa and 400 K is heated electrically, adding 700 kJ/kg in a constant pressure process. Find the final temperature using- The ideal gas table A-8 (Ideal gas properties of various substances, Entropies at 0.1 MPa (1-bar) pressure, mass bas..
Find the polar moment of inertia, J, of the cross section in figure 1 and compare it to J of figure 2. Wall thickness for all members
Answer the following true or false. Explain. (a) A refrigerant at an absolute pressure of 0.8 atm is at a gage pressure of 0.2 atm.
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