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An open belt drive connects two pulleys 1.2 and 0.5m diameter on parallel shafts 3.6m apart. The belt has a mass of 0.9kg/m length and maximum tension in it is not to exeed 2kn. The 1.2m pulley which is the driver runs at 200rev/min. Due to belt slip on one of the pulleys the velocity of the driven shaft is only 450rev/min. Calculate the torque on each of the two shafts,the power transmitted and the power lost in friction. U=0.3 what is the efficiency of the drive.
A large tower is to be supported by a series of steel wires; it is estimated that the load on each wire will be 13,300 N (3000 lbf). Determine the minimum required wire diameter, assuming a factor of safety of 2 and a yield strength of 860 MPa (12..
What kind of metals are often recommended for use at low temperatures, particularly when any sudden loading of the part is expected?
Find the safe applied torque that can be transmitted by the shaft ABCD, if the maximum shear stress in the hollow section is 47 MPa and G = 82.5 GPa.
When these stops occur, it takes an average of 10.0 min to diagnose the problem and make repairs. Determine (a) line efficiency and (b) average actual production rate.
If the motorcycle has a deceleration of a_t = -(0.001s);{rm m}/{rm s}^{ 2 } and its speed at position A is 18 m/s, determine the magnitude of its acceleration when it passes point B.
Construct the homogeneous solution in terms of four constant that could be determined from initial conditions and show the equations of motion
The entrance is inward projecting. What flow will be expected if the gate valve is one-half open?
To determine the heat transfer characteristics of a cylinder under cross flow conditions when the cylinder is isolated.
Use the bisection method to determine the drag coefficient (cd) needed so that a 80 kg bunjee jumper has a velocity of 36 m/s after 4 s of free fall.
how long will it take the puck to slow down to a speed of 1m/s and how long will it take for the puck to stop completely? How far will the puck travel before it slows to 1m/s? You can assume the table is very very long.
what is the actual mechanical advantage of the system?
Use calculus to obtain a closed-form solution for the case where the parachutist jumper is initially at rest (v=0 at t=0) to solve F(upward)= -cv^2, where c = a second-order drag coefficient (kg/m).
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