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2. Calculate how much output torque a motor will produce if it has a displacement of...
show how to calculate the stator curren the output torque when the motor is operating over...
show how to calculate the stator curren the output torque when the motor is operating over the range -nsyn to +2nsyn. t and (Squirl-Cage Motor Induction)
of each. 9. List three ways to control the flow rate going to a hydraulic motor....
of each. 9. List three ways to control the flow rate going to a hydraulic motor. 10. Discuss the effects of changing the displacement on a variable displacement motor Power 11. A hydraulic motor receives flow at 12 gpm. The system pressure is 2000 psi. and the fluid returns to the reservoir at atmospheric pressure. Find the hydraulic horsepower available to the motor. 12. If the reservoir in Review Problem 11 is pressurized to 200 psi, what is the horsepower...
(1) A hydraulic motor has a displacement of 60 mL / revolution. It operates at a...
(1) A hydraulic motor has a displacement of 60 mL / revolution. It operates at a speed of 1500 r/min with an output torque of 52 N-m on the drive shaft. If the effective (actual ) feed flowrate sure of 6.3 MPa, and the pressure in the return line is 0.3 MPa. Try to finds The volumetric efficiency of the motor. (4 points) The mechanical efficiency of the motor. (4 points) The overall efficiency of the motor. (2 points)
The output torque of a motor is 69.2 lb-ft when it operates at 950 rpm. Calculate...
The output torque of a motor is 69.2 lb-ft when it operates at 950 rpm. Calculate the losses in the machine and its efficiency if, under this condition, the power input is 10900 watts. Topic: DC MOTOR: Efficiency and Power Losses
For a vertical blade and motor setup, how much torque would be required to slice an...
For a vertical blade and motor setup, how much torque would be required to slice an average sized carrot?
You purchase a motor in Germany designed to run at 415 Volts, 50 Hz. It has 75 kW output power, runs at 2978 RPM and has 240 N-m of rated torque. You ship it Canada and run it at 480 Volts, 60 Hz. Wha...
You purchase a motor in Germany designed to run at 415 Volts, 50 Hz. It has 75 kW output power, runs at 2978 RPM and has 240 N-m of rated torque. You ship it Canada and run it at 480 Volts, 60 Hz. What will be the new torque in N-m? (Round your answer to the nearest integer).
QUESTIONS Question-3: Draw "speed vs. torque" curve using data in Table-1. The completed graph represents the speed vs. torque characteristics of a typical DC shunt-wound motor. Terax Qu...
QUESTIONS Question-3: Draw "speed vs. torque" curve using data in Table-1. The completed graph represents the speed vs. torque characteristics of a typical DC shunt-wound motor. Terax Question-4: Calculate the speed regulation (full load - 12 lbf.in) using the equation: 2-143) 143 (no load Regulation (full load speed) Speed regulation- % Part-II - Motor Efficiency Calculation: Set the dynamometer control knob at its full CW position (to provide the maximum starting load for the shunt-wound motor). Turn on the power...
Problem 5 A 12-pole, 240 V, 60 Hz synchronous motor has a synchronous reactance of 2 Ω. The field current is adjusted s...
Problem 5 A 12-pole, 240 V, 60 Hz synchronous motor has a synchronous reactance of 2 Ω. The field current is adjusted so that the equivalent field voltage Ef is 320 V (line-to-line). Calculate the following: a. Maximum torque b. Power factor at the maximum torque
Problem 5 A 12-pole, 240 V, 60 Hz synchronous motor has a synchronous reactance of 2 Ω. The field current is adjusted so that the equivalent field voltage Ef is 320 V (line-to-line). Calculate...
b) How much output should the monopolist produce in order to maximize profit? c) How much...
b) How much output should the monopolist produce in order to
maximize profit?
c) How much labor should the firm hire to produce this
output?
d) How Much Capital should the firm hire?
e) What price should the monopolist charge?
f) What is the deadweight loss?
g) What is the Price Elasticity of Demand at the
profit-maximizing price and quantity?
3. Suppose a monopolist has a production function given by Q = L12K12. Therefore, L2 MPL K2 2/12 , and...
1. Suppose an automobile engine can produce 185 N·m of torque, and assume this car is...
1. Suppose an automobile engine can produce 185 N·m of torque, and assume this car is suspended so that the wheels can turn freely. Each wheel acts like a 14 kg disk that has a 0.175 m radius. The tires act like 2.1 kg rings that have inside radii of 0.175 m and outside radii of 0.32 m. The tread of each tire acts like a 8.5 kg hoop of radius 0.325 m. The 15 kg axle acts like a...
show how to calculate the stator curren the output torque when the motor is operating over the range -nsyn to +2nsyn. t and (Squirl-Cage Motor Induction)
of each. 9. List three ways to control the flow rate going to a hydraulic motor. 10. Discuss the effects of changing the displacement on a variable displacement motor Power 11. A hydraulic motor receives flow at 12 gpm. The system pressure is 2000 psi. and the fluid returns to the reservoir at atmospheric pressure. Find the hydraulic horsepower available to the motor. 12. If the reservoir in Review Problem 11 is pressurized to 200 psi, what is the horsepower...
(1) A hydraulic motor has a displacement of 60 mL / revolution. It operates at a speed of 1500 r/min with an output torque of 52 N-m on the drive shaft. If the effective (actual ) feed flowrate sure of 6.3 MPa, and the pressure in the return line is 0.3 MPa. Try to finds The volumetric efficiency of the motor. (4 points) The mechanical efficiency of the motor. (4 points) The overall efficiency of the motor. (2 points)
QUESTIONS Question-3: Draw "speed vs. torque" curve using data in Table-1. The completed graph represents the speed vs. torque characteristics of a typical DC shunt-wound motor. Terax Question-4: Calculate the speed regulation (full load - 12 lbf.in) using the equation: 2-143) 143 (no load Regulation (full load speed) Speed regulation- % Part-II - Motor Efficiency Calculation: Set the dynamometer control knob at its full CW position (to provide the maximum starting load for the shunt-wound motor). Turn on the power...
Problem 5 A 12-pole, 240 V, 60 Hz synchronous motor has a synchronous reactance of 2 Ω. The field current is adjusted so that the equivalent field voltage Ef is 320 V (line-to-line). Calculate the following: a. Maximum torque b. Power factor at the maximum torque
Problem 5 A 12-pole, 240 V, 60 Hz synchronous motor has a synchronous reactance of 2 Ω. The field current is adjusted so that the equivalent field voltage Ef is 320 V (line-to-line). Calculate...
b) How much output should the monopolist produce in order to
maximize profit?
c) How much labor should the firm hire to produce this
output?
d) How Much Capital should the firm hire?
e) What price should the monopolist charge?
f) What is the deadweight loss?
g) What is the Price Elasticity of Demand at the
profit-maximizing price and quantity?
3. Suppose a monopolist has a production function given by Q = L12K12. Therefore, L2 MPL K2 2/12 , and...
1. Suppose an automobile engine can produce 185 N·m of torque, and assume this car is suspended so that the wheels can turn freely. Each wheel acts like a 14 kg disk that has a 0.175 m radius. The tires act like 2.1 kg rings that have inside radii of 0.175 m and outside radii of 0.32 m. The tread of each tire acts like a 8.5 kg hoop of radius 0.325 m. The 15 kg axle acts like a...
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