What are the three sources of variability

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Reference no: EM13248260

What are the three sources of variability that are fundamental to operations management?

Reference no: EM13248260

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Calculate lost torque-opper loss and efficiency : A 100V dc series motor has an armature resistance of 0.2 ohm and field resistance of 0.25 ohm. The motor runs at a speed of 600 rev/min when the shaft torque is 27.14 Nm. Friction and windage losses at this speed are 300W.

Determine the total core and mechanical losses : A 230V shunt motor having an armature resistance of 0.05 W and a field resistance of 75 W draws a line current of 7 A while running light at 1120 rev/min. The line current at a given load is 46 A.

What will be the speed if the load torque is increased by 44 : A 220V dc series motor runs at 700 rev/min when operating at its full-load current of 20A. The motor resistance is 0.5W and the magnetic circuit may be assumed unsaturated. What will be the speed if: (i) the load torque is increased by 44

Explain the rate constant for the reaction 2hi : The rate constant for the reaction 2HI(g) -> H2(g) + I2(g) doubles on raising the temperature from 683K to 698K. What is the activation energy fro this reaction in kJ/mol

What are the three sources of variability : What are the three sources of variability that are fundamental to operations management?

Use qm for windows to answer this question : What is the probability that there will be 3 or more persons waiting in the system? Use QM for windows to answer this question.

Determine the final speed of the ball : A 0.144 kg baseball is moving towards home plate with a speed of 43.0 m/s when it is bunted. The bat exerts an average force of 6.50 Ã? 103 N on the ball for 1.30 ms, What is the final speed of the ball

Explain what will be the new temperature of the gas : A 325 mL sample of gas is initially at a pressure of 721 torr and a temperature of 32°C. If this gas is compressed to a volume of 286 mL and the pressure increases to 901 torr, what will be the new temperature of the gas (reported to three signifi..

Explain statements indicates an acid or a base : indicate whether each of the following statements indicates an acid or a base: a)makes a red ant sting burn. b)produces OH^- in water. c) has a soapy feel. d) turns litmus red.

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