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An open-side planer is to be used to plane the top sur-face of a rectangular workpart, 20.0 in x 45.0 in. The cutting speed is 30 ft/min, the feed is 0.015 in/pass, and the depth of cut is 0.250 in. The length of the stroke across the work must be set up so that 10 in are al-lowed at both the beginning and end of the stroke for approach and overtravel. The return stroke, including an allowance for acceleration and deceleration, takes 60% of the time for the forward stroke. The workpart is made of carbon steel with a tensile strength of 50,000 lb/in2 and a Brinell hardness of 110 HB. How long will it take to complete the job, assuming that the part is oriented in such a way as to minimize the time?
Calculate the compacted cubic yards per hour if a compactor with a 5-ft drum width travels at 3 mph over a 10-in. lift of aggregate base course with 4 passes required to meet density specifications under average operating conditions.
A grit chamber is designed for a flow-through velocity of 0.30 m/s, a depth of 0.9 m, and a length of 10.5 m. If inorganic particles have a specific gravity of 2.65,
Consider two strata of the same soil material that lie between two channels. The first stratum is confined, and the second one is unconfined, and the water surface elevations in the channels are 24 m and 16 m above the bottom of the unconfined aquife..
A constant "flow" of steel parts at 2 kg/s at 20?C goes into a furnace, where the parts are heat treated to 900?C by a source at an average of 1250 K. Find the reversible work and the irreversibility in this process.
Listed on cramster as ask. There is a car driving through water. Velocity is 12mph. Find h (max water depth) that will alow car to pass. List all assumption and calculations is the problem statement.
a w24x192 of a242 steel is to be used as a beam. what are the values of yield stress Fy ultimate tensile stees Fu and modulus of elasticity E for this beam
There are four values for the Balls display (0, 1, 2, and 3), three for Strikes (0, 1, 2), three for Outs (0, 1, 2), and ten for Inning (1, 2, ..., 10). What is the minimum number of bits required to hold the information recorded by the meter? Exp..
A sheet pile wall is driven to a depth of 12.00 m in the deposit. The difference in water level between the two sides of the piling is 4.00 m. Draw the flow net and determine the quantity of seepage under the piling.
We have a classification problem with four classes of input vector.
The compression ratio of the engine is 9.5.1. If the compression process is isentropic, determine the required work input for this compression process, in kJ/kg of mixture.
Determine the dimensions of the box that will minimise thecosts of materials.Based on material costs alone,how many bins canthe manufacturer produce?
Nitrification, the conversion of ammonia to nitrate (NH3 -> NO3-) occurs in the lake according to first - order kinetics. One stream feeds the lake and one stream empties the lake with the flow rate in both being 8 cfs
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