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The end of a large tubular workpart is to be faced on a NC vertical boring mill. The part has an outside diameter = 45.0 in and inside diameter = 25 in. If the facing operation is performed at a rotational speed = 30 rev/min, feed = 0.020 in/rev, and depth = 0.150 in, determine: (a) the cutting time to complete the facing operation, (b) the cutting speeds and metal removal rates at the beginning and end of the cut.
Determine the distance d between the cars at which the driver of car A must apply his brakes to just avoid colliding with carB.
Remember that velocity is a vector quantity so find the magnitude of the average velocity and the angle of average velocity from the horizon
An Industrial water shutoff valve is designed to operate with 40lbs of force and will encounter 150lbs of resistance force applied to a 2in diameter axle. What is the required actual mechanical advantage of the system?
The tank cover is airtight, and the pressure above the water surface is 2 atm gage. The system is at sea level. Determine the max height to which the water stream could rise.
The heat transfer convection coefficient between the wall and the fluid is 500 W/m2.K. Find the maximum temperature in wall.
Determine the factor of safety against net section yield in the presence of the crack and determine the factor of safety against brittle fracture for the same conditions.
Evaluate the reduction in pump BHP required by heating the oil from 50° F to 100° F. Suppose efficiency of 80% (HP)
determine the values of Q that minimizes unit sales cost UC = TC/Q; and compute the annual profit earned by the plant at this quantity.
(a) Draw a schematic of the system and (b) determine if the inventor's claims are true.
The diameter of the steel pin at C is 0.375in and the ultimate shear strength is 54ksi. If a factor of safety of 2.0 is required in both the strut and the pin at C. determine the maximum load P that can be supported by the structure.
A refrigerator with a COP of 3 removes 1.5 kW from the cold space at -9 °C while rejecting heat to the kitchen at 22 °C.
Classify the sections of the components in automatic control system.
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