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Fixed Cost(FC)= 2000000, variable cost(VC)= 12+0.005Q, total cost(TC)= FC + VC x Q , unit sales price p=250 (a) 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.(b)Determine the values of Q that maximizes the annual profit.
A flat bar is to be rolls but the rolls refuse to bite (the bar is not drawn into the roll gap). State at least two measures that could be taken.
The airspeed of an aeroplane is measured with a Pitot tube. The plane is flying at an altitude of 10000m, and the Pitot tube measures a gauge pressure of p = 10kPa. What is the airspeed of the plane?
A hydraulic cylinder is 100mm diameter and is fed by a pipe 15mm in diameter. If the piston in the cylinder moves forward at a rate of 0.2ms^1
Calculate the velocity v of the collar as it hits the stop at B if it is elevated from rest at A by the action of the constant 40-N force in the cord. The cord is guided by the small fixed pulleys.
Calculate the exact integration result using Matlab symbolic tools and calculate the errors in calculating work done
At a section in a passage, the pressure is 150 kPa (abs), the temperature is 10 deg C, and the speed is 120 m/s. For isentropic flow of air, determine the Mach number at the point where the pressure is 50 kPa (abs). Sketch the passage shape.
A paperclip is made of wire 1.25mm in diameter. If the original material from which the wire is made was 15mm in diameter, calculate the longitudinal and diametrical engineering and true strains that the wire has undergone during processing.
The compression ratio of an air-standard Otto cycle is 9.5. Prior to the isentropic compression process, the air is at 100 kPa, 17 C, and 600 cm2
At what location s will the combined moment of the weights of the man and platform about point B be zero?
Evaluate the effect of the water spray on efficiency (net work out divided by heat input) and net power out per kg/s of dry air coming into the turbine.
Calculate the number of vacancies per cubic meter in gold at 900°C. The energy for vacancy formation is 0.98 eV/atom. Furthermore, the density and atomic weight for Au are 18.63 g/cm3 (at 900°C) and 196.9 g/mol, respectively.
A 0.7-lb block rests on top of a 0.5-lb block supported by but not attached to a spring of constant 9 lb/ft. The upper block is suddenly removed. Determine (a) the Maximum velocity reached by the 0.5-lb block, (b) the maximum height reached by the..
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