A 250 V series motor draws a current of 40 A. The armature resistance is 0.15...
Fantastic news! We've Found the answer you've been seeking!
Question:
Transcribed Image Text:
A 250 V series motor draws a current of 40 A. The armature resistance is 0.15 2 and the field resistance is 0.05 22. Determine the maximum efficiency of the motor. A 250 V series motor draws a current of 40 A. The armature resistance is 0.15 2 and the field resistance is 0.05 22. Determine the maximum efficiency of the motor.
Expert Answer:
Related Book For
Automation Production Systems and Computer Integrated Manufacturing
ISBN: 978-0132393218
3rd edition
Authors: Mikell P.Groover
Posted Date:
Students also viewed these physics questions
-
A small motor draws a current of 1.75 A from a 120-V line. The output power of the motor is 0.20 hp. (a) At a rate of $0.060/kWh, what is the cost of operating the motor for 4.0 h? (b) What is the...
-
A 120.0-V motor draws a current of 7.00 A when running at normal speed. The resistance of the armature wire is 0.720 . (a) Determine the back emf generated by the motor. (b) What is the current at...
-
An electric motor draws a current of 16 amp at 110 V. The output shaft delivers a torque of 10 N-m at a speed of 1500 RPM. Determine (a) The electric power transferred. (b) Shaft power. (c) The rate...
-
Discuss any of the established brands of the business concerned with woolworths in Australia
-
Altira Corporation uses a periodic inventory system. The following information related to its merchandise inventory during the month of August 2011 is available: Aug. 1 Inventory on hand2,000 units;...
-
In Exercises 3142, solve by the method of your choice. Identify systems with no solution and systems with infinitely many solutions, using set notation to express their solution sets. 3x-2y - 2y = -5...
-
Consider a ball launched upward. Verify that its acceleration points in the direction that lowers the gravitational potential energy of the Earth-ball system.
-
In October 2013, Pedraza Corp.s production was 53,600 equivalent units for direct material, 48,800 equivalent units for direct labor, and 42,000 equivalent units for overhead. During October, direct...
-
11.A simple LR circuit is connected to a battery at t = 0. The time instant at which rate of energy storage in inductor is half of power delivered by battery 2L (1) In 2 (3) In 2 (2) In (4) (4) In 3
-
A department store maintains data on customers, products, and purchase records in three tables: CUSTOMER, PRODUCT, and PURCHASE. The store manager wants to find the average price of all distinct...
-
Using the CRAAP evaluation tool, the Relevance criteria takes into consideration: The credentials of the author Any biases that may be attached to the information. How current the information is How...
-
Some companies like Facebook Inc. have two stages of growth, a fast rate for the next few years and then a slower rate for years after this. The valuation of a company like this will have two parts;...
-
After-Tax Cash Flows Below is a list of aspects of various capital expenditure proposals that the capital budgeting team of Anchor, Inc., has incorporated into its net present value analyses during...
-
Problem 4: Solve the optimization problem, using the graphical method as demonstrated in class. Graph the following constraints on the digital graph paper worksheet. Show all algebra work, to...
-
If you have a mass of 9 6 kg and climb to the top of mt everest uou will be about 8 8 5 1 . 3 m above sea level What is the acceleration due to gravity at this altitude? ( Me = 5 . 9 7 x 1 0 ^ 2 4 kg...
-
describe how the industry is organized and how companies in the marketplace compete, identify problems and concerns consumers have with the competitors, and describe the barriers to entry a new...
-
Iona Inc. has the following assets, liabilities, and equity amounts: Total assets: $55,000 Retained earnings: $10,000 . Common shares: $5,000 Income tax owed: $2,000 Trade creditors: $25,000 ...
-
Digital Fruit is financed solely by common stock and has outstanding 25 million shares with a market price of $10 a share. It now announces that it intends to issue $160 million of debt and to use...
-
In the previous problem, the mechanical errors associated with the linear joint form a normal distribution in the direction of the joint actuation with standard deviation = 0.08 mm. Determine
-
The outline of the cam in Figure P7.38 is to be machined in an end milling operation, using a 12.5 mm diameter end mill with two teeth. The part is 7.5 mm thick. Write the complete APT program for...
-
An automated guided vehicle system has an average travel distance per delivery = 200 m and an average empty travel distance = 150 m. Load and unload times are each 24 s and the speed of the AGV = 1...
-
The materials which exhibit the same elastic properties in all directions are known as: (a) Homogeneous (b) Isotropic (c) Isentropic (d) Inelastic
-
In a reaction steam turbine, steam expands: (a) In nozzle only (b) In moving blades only (c) Partly in nozzle partly in blades (d) None of the above
-
Curtis turbine is: (a) Simple impulse turbine (b) Simple reaction turbine (c) Pressure compounded turbine (d) Velocity compounded turbine
Study smarter with the SolutionInn App