Testbook Logo
Exams SuperCoaching Test Series Skill Academy
More

Question

Download Solution PDF

Which of the following Torque (T) - Armature Current (la) characteristics is true for Differential Compound Motor?

F4 Savita Engineering 27.08.2022 D1

This question was previously asked in
MAHATRANSCO AE Electrical 2017 Official Paper
Attempt Online
View all MAHATRANSCO AE Papers >
  1. 1
  2. 2
  3. 3
  4. 4

Answer (Detailed Solution Below)

Option 4 : 4
Free Tests
View all Free tests >
Free
MAHATRANSCO AE Electrical Full Test 1
5.2 K Users
130 Questions 150 Marks 120 Mins
Start Now

Detailed Solution

Download Solution PDF

Torque-Current Characteristics & Speed-Armature Current Characteristics of DC Motor:

Download Solution PDF
Latest MAHATRANSCO AE Updates

Last updated on Jun 19, 2025

-> MAHATRANSCO AE recruitment exam date 2025 has been released. The exam for Civil Engineer will be conducted on July 6.

-> The latest MAHATRANSCO AE Notification (Advt. No. 18/2024) has been released for 134 vacancies. Candidates could apply online until May 2 2025.

->  Candidates with a bachelor's degree in Engineering in the concerned stream are eligible for the MAHATRANSCO Assistant Engineer 2025.

-> Candidates must refer to the MAHATRANSCO AE Previous Year Papers and MAHATRANSCO AE Mock Test to prepare well.

More DC Motor Characteristics Questions

Q1.Which of the following graphs represent a DC series motor?
Q2.The electromagnetic torque (Te) Vs Armature current (la) characteristics of ___________ machine is shown in below figure.
Q3.Which of the following Torque (T) - Armature Current (la) characteristics is true for Differential Compound Motor?
Q4.The curve represents _____.
Q5._______ is also known as electrical characteristics of motor.
Q6.The DC motor characteristics, also known as mechanical characteristics is:
Q7.In a D.C. motor, ________________ is also known as electrical characteristics.
Q8.If N is the speed of a D.C. series motor and Ia is the armature current then
Q9.Which feature of D.C. motors is essential for traction applications?

More DC Motor Questions

Q1.What is the relationship between back EMF and the supply voltage in a DC motor?
Q2.Why is the simple brake test generally used for small motors only?
Q3.Universal motors exhibit high starting torque due to _______.
Q4.In the torque-load characteristic curve of a DC series motor, what happens as the load increases?
Q5.It is intended to measure the resistance of the series field winding of a DC series motor accurately. Which is the most suitable method?
Q6.A 220 V DC shunt motor has an armature resistance of 0.5 Ω. If the full load armature current is 20 A, what is the induced EMF?
Q7.In variable torque applications, where the torque required varies with the square of the speed, the motor will consume only _________ as much energy at 50% speed than it will at 100% speed.
Q8.A 25 kW, 250 V, DC shunt generator has armature and field resistances of 0.06 Ω and 100 Ω, respectively. Find the armature current.
Q9.A typical characteristic of DC series motor is shown below. Which parameter is plotted on the Y-axis?
Q10.In a 2-wire DC transmission line, the loop resistance is 80 Ω. Find the resistance of a single conductor.
Suggested Test Series
View All >
AE & JE Electrical Engg. Exams Previous Year Papers Mock Test
276 Total Tests with 9 Free Tests
Start Free Test
Maharashtra Police Constable (पोलीस भरती) Test Series 2025
179 Total Tests with   2 Free Tests
Start Free Test

More Electrical Machines Questions

Q1.If a 6-pole induction motor operates on a 60 Hz supply, its synchronous speed is _____________.
Q2.How are the segments of the commutator insulated from each other?
Q3.Which statements about voltage drop in an alternator are correct? I. The voltage drop due to armature resistance (IaRa) is in phase with the armature current (Ia). II. At unity power factor, the voltage drop IaRa directly subtracts from the generated EMF (E). III. For a leading power factor load, IaRa contributes to an increase in terminal voltage (V). IV. Armature resistance has no effect on voltage regulation.
Q4.What does the flux created by the load current in the primary winding, which links only with the primary winding, represent?
Q5.In distribution transformers, the explosion vent is designed to:
Q6.Why are salient pole rotors NOT used in turbo alternators?
Q7.In the equivalent circuit without core losses, the magnetising branch consists of __________. 
Q8.Compared to the MMF method, the EMF method is ___________.
Q9.Which application is a common use of synchronous motors? 
Q10.The same polarity condition is essential in parallel operation because: 
Important Exam
Super Coaching
Exam
Test Series
Previous Year Papers
Objective Questions
Testbook Edu Solutions Pvt. Ltd.
1st & 2nd Floor, Zion Building,
Plot No. 273, Sector 10, Kharghar,
Navi Mumbai - 410210
[email protected]
Toll Free:1800 833 0800
Office Hours: 10 AM to 7 PM (all 7 days)
Company
About usCareers We are hiringTeach Online on TestbookPartnersMediaSitemap
Products
Test SeriesTestbook PassOnline CoursesOnline VideosPracticeBlogRefer & EarnBooks
Our Apps
Follow us on
Copyright © 2014-2022 Testbook Edu Solutions Pvt. Ltd.: All rights reserved
User PolicyTermsPrivacy
Get Free Access Now
Hot Links： teen patti master 2023 happy teen patti teen patti master new version teen patti master real cash teen patti joy 51 bonus