It is possible to increase the field flux and, at the same time, increase the speed...
Fantastic news! We've Found the answer you've been seeking!
Question:
Transcribed Image Text:
It is possible to increase the field flux and, at the same time, increase the speed of a de motor is held constant. provided its a. Applied voltage b. Armature current c. Torque d. Armature circuit resistance The current drawn by a 120 volts de motor of armature resistance of 0.502 and counter emf of 110 volts is Amperes. a. 240 b. 220 c. 20 d. 5 The shaft torque of a de motor is less than the armature torque because of losses. a. copper b. Rotational c. Mechanical d. Iron As the load increases, the speed of a de shunt motor a. Increases proportionately b. Remains constant c. Reduces slightly d. Increases slightly 0. Between no-load and full-load, develops the least torque. a. Shunt b. Cummulative compound c. d. Series Differential compound motor It is possible to increase the field flux and, at the same time, increase the speed of a de motor is held constant. provided its a. Applied voltage b. Armature current c. Torque d. Armature circuit resistance The current drawn by a 120 volts de motor of armature resistance of 0.502 and counter emf of 110 volts is Amperes. a. 240 b. 220 c. 20 d. 5 The shaft torque of a de motor is less than the armature torque because of losses. a. copper b. Rotational c. Mechanical d. Iron As the load increases, the speed of a de shunt motor a. Increases proportionately b. Remains constant c. Reduces slightly d. Increases slightly 0. Between no-load and full-load, develops the least torque. a. Shunt b. Cummulative compound c. d. Series Differential compound motor
Expert Answer:
Answer rating: 100% (QA)
The detailed answer for the above question is provided below Lets go through each question one by one 1 It is possible to increase the field flux and at the same time increase the speed of a DC motor ... View the full answer
Related Book For
Posted Date:
Students also viewed these management leadership questions
-
A sample containing an alkali sulfate is dried, weighed and dissolved in dilute HCl. Barium chloride solution is added in excess to precipitate barium sulfate, and the precipitate is digested in the...
-
Managing Scope Changes Case Study Scope changes on a project can occur regardless of how well the project is planned or executed. Scope changes can be the result of something that was omitted during...
-
Revenue Recognition Alternatives Each of the following independent situations relates to the recognition of revenue: a. Interest on loans made by a bank b. Interest on loans made by a bank when the...
-
How would you compare the enthalpy of water vapor at 20C and 2 kPa with the enthalpy of water vapor at 20C and 0.5 kPa?
-
In a DC motor, what is a commutator?
-
Identify the research scenario, including the general area of focus. Develop a hypothetical research scenario that would necessitate the use of the Mixed Method A-B-A Design. The research will be...
-
Wassons Classic Cars restores classic automobiles to showroom status. Budgeted data for the current year are: The company anticipated that the restorers would work a total of 12,000 hours this year....
-
You are the COO managing the operations of a robo-advisor and you need to ensure that all the stock holdings in the portfolios under management are kept up to date. Given the following inputs in...
-
Assume you have been contracted by a university to develop a database system to keep track of student registration and accommodation records. The university courses are offered by faculties....
-
Cut Taxes and Boost Spending? Raise Taxes and Cut Spending? Cut Taxes and Cut Spending? This headline expresses three views about what to do to get the U.S. economy growing more rapidly and...
-
Monetary policy is too important to be left to the Fed. The President should be responsible for it. How is responsibility for monetary policy allocated among the Fed, the Congress, and the President?
-
What are the differences among types of life insurance?
-
Explain the potential supplyside effects of the VAT reduction on the Swiss economy. In 2017, Swiss voters rejected the continued funding of the 2020 OldAge and Survivors Insurance reform. As a...
-
What special roles do the Budget Committees of the House of Representatives and the Senate play in creating fiscal policy?
-
Little Company makes three models of children's sports cars, the Basie, Production information for Little is as follows: Basie the Deluxe and the Luxury. Deluxe Lary $25 $30 $45 Direct material cost...
-
Identify the source of funds within Micro Credit? How does this differ from traditional sources of financing? What internal and external governance mechanisms are in place in Micro Credit?
-
Figure shows a circularly symmetric system in which a moveable plunger (constrained to move only in the vertical direction) is supported by a spring of spring constant K = 5.28 N/m. The system is...
-
A source which can be represented by a voltage source of 8 V rms in series with an internal resistance of 2k is connected to a 50- load resistance through an ideal transformer. Calculate the value...
-
The dc motor of Problem 11.1 has a field-winding inductance Lf = 3.7 H and a moment of inertia J = 0.081 kg m2. The motor is operating at rated terminal voltage and an initial speed of 1300 r/min....
-
Show, for a gas obeying the state equation \[p v=(1+\alpha) \Re T\] where \(\alpha\) is a function of temperature alone, that the specific heat at constant pressure is given by \[c_{p}=-\Re T...
-
An engine working on the constant volume (Otto) cycle has a compression ratio of 6.5 to 1 , and the compression follows the law \(p V^{1.3}=\mathrm{C}\), the initial pressure and temperature being 1...
-
The exhaust gases of a compression-ignition engine are to be used to drive an exhaust gas turbo-supercharger. Estimate the mean pressure ratio of expansion and the isentropic enthalpy drop per kmol...
Study smarter with the SolutionInn App