11. When an aluminum conductor is installed on a screw terminal, the screw should be tightened to a torque of A. 8 lb-in. B. 12 lb-in. C. 15 lb-in. D. 20 lb-in. 12. A fixed electric space heater that draws a maximum current of_____ must be supplied by a cable with an ampacity of 30 A. A. 15 A B. 24 A C. 27 A D. 30 A

11. When an aluminum conductor is installed on a screw terminal, the screw should be tightened to a torque of A. 8 lb-in. B. 12 lb-in. C. 15 lb-in. D. 20 lb-in. 12. A fixed electric space heater that draws a maximum current of_____ must be supplied by a cable with an ampacity of 30 A. A. 15 A B. 24 A C. 27 A D. 30 A

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter29: Dc Generators

Section: Chapter Questions

Problem 2RQ

See similar textbooks

Related questions

Q: Q2/ Design a 4-pole wave winding for an armature with 21 slots. Assume single turn coils and two…

A: Step 1: Designing a 4-Pole Wave Winding for a 21-Slot Armature The steps involved in designing a…

Q: 2.A. When machine losses are determined by the retardation method, it is necessary to know the…

A: 1) Retardation test is also known as running down test. This is efficient method to find out stray…

Q: 1. A winding with five coils, each with nc, conductors, is distributed over of the stator. Sketch…

A: Given that a winding with five coils, each with ncs conductors, is distributed over of the stator.…

Q: Select the DC generator used for arc welding. With an elegant drawing explaining its operation.

A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Concept explainers

Three Phase Induction Motor

The induction motor is an electric motor that runs on AC (alternating current) and it is of two type single phase motor that work on single-phase power supply and three-phase motor that work on three-phase power supply.

Question

100%

11. When an aluminum conductor is installed on a screw terminal, the screw should be tightened to a torque of
A. 8 lb-in. B. 12 lb-in.
C. 15 lb-in. D. 20 lb-in.
12. A fixed electric space heater that draws a maximum current of_____ must be supplied by a cable with an ampacity of 30 A.
A. 15 A B. 24 A
C. 27 A D. 30 A

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.

Similar questions

Question 6 Copper losses represent: O A. Losses due to friction of the moving parts O B. Windage losses O C. None of the other choices are correct O D. Friction losses in the windings of the machine E. Losses due to magnetization and demagnetization of the core
Please answer in typing format
SOLVE THE PROBLEM, SHOW YOUR COMPLETE SOLUTION AND MAKE SURE THAT THE FINALS ANSWERS ARE IN 4 DECIMAL PLACES.
Iron losses represent: O A. Losses due to friction of the moving parts O B. Losses due to magnetization and demagnetization of the core excluding eddy current losses O C. Resistive losses in the windings of the machine including eddy current losses O D. None of the other choices are correct O E. Windage and eddy current losses
For 6 polar D.C machine armature has 36 number of slots and the type of winding is a double layer simplex lap winding. a. How many coils are present? b. What is the coil span in terms of number of slots? c. If each coil has 4 turns, then what is the total number of armature conductors presents? d. How many parallel paths will be their in the armature? e. Altogether how many brushes will be their?
Please answer using typing format please try typing..
Can someone explain this problem step by step? thanks!!!
SOLVE AND SHOW YOUR COMPLETE SOLUTION. ANSWERS SHOULD BE IN TWO DECIMAL PLACES. The armature of a two-pole dc machine has 30 slots, each slot has 4 conductors each. during its operation, only 75% of the conductors are directly under the pole. each pole measures 2 inches by 3 inches and produces ten million maxwells of flux. the armature core is 12 inches in length and 3.5 inches in diameter. the total resistance of the winding is 2 ohms. d) determine the total force tending to rotate the armature core in lbs, if the winding is simplex lap connected.
Explain very briefly about the flux fringing and their place of occurrences.
S magnet retort stand coil voltmeter 17. Which of the following statements is TRUE when the magnet is dropped inside the solenoid? * A. The induced voltage is zero when the magnet is halfway through the solenoid. B. The voltage reading increases with time until the magnet leaves the solenoid. C. The voltage reading decreases with time until the magnet leaves the solenoid. D. Maximum induced voltage occurs just before the magnet enters the solenoid. E. The magnetic flux inside the solenoid is constant as the magnet is dropped from rest.
How can the polarity of an electromagnet be determined if the direction of current flow is known? 2. Define the following terms: 3. flux density 4. Permeability 5. Reluctance 6. Saturation Unit 13 Magnetic Induction 7. Name three factors that determine the amount of induced voltage in a coil. 8. What is the effect on induced voltage of adding more turns of wire to a coil? 9. Into how many time constants is an exponential curve divided? 10. Each time constant of an exponential curve is equal to what percentage of the maximum amount of charge? 11. An inductor has an inductance of 0.025 H and a wire resistance of 3 . How long will it take the current to reach its full Ohm's law value? Unit 15 Alternating Current . 12 What is the most common type of AC waveform? 13 How many degrees are there in one complete sine wave? 14 At what angle does the voltage reach its maximum negative value on a sine wave? 15 A sine wave…
7. A 4-pole machine running at 1500 r.p.m. has an armature with 90 slots and 6 conductors per slot. The flux per pole is 10 mWb. Determine the terminal e.m.f. as d.c. Generator if the coils are lap-connected. If the current per conductor is 100 A, determine the electrical power. Subject: Electrical Machine 1