« previous next »

Author Question: The speed of a three-phase squirrel cage induction motor is controlled by the frequency of the ... (Read 115 times)

WhattoUnderstand

  • Hero Member
  • *****
  • Posts: 517
on: Jul 24, 2018
The speed of a three-phase squirrel cage induction motor is controlled by the frequency of the applied voltage
  and _____.
 
  a. voltage dropping resistors
  b. the number of poles
  c. full-load torque
  d. armature current

Question 2

The NEC requires motor disconnecting means be _____.
 
  a. 8 feet or more above the floor
  b. within sight of the controller location
  c. guarded
  d. installed so access is limited to qualified persons


DylanD1323

  • Sr. Member
  • ****
  • Posts: 314
Reply #1 on: Jul 24, 2018
Answer to Question 1

b

Answer to Question 2

b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

The frequency of competition according to the number of species involved. The frequency of competition according to the number of species involved.
Southern flying squirrel (Glaucomys volans) of the Pteromyini Southern flying squirrel (Glaucomys volans) of the Pteromyini
Client on IV patient-controlled analgesia (PCA). Client on IV patient-controlled analgesia (PCA).
The Speed of Light Is Constant The Speed of Light Is Constant
Mechanism of the biotin-dependent pyruvate carboxylase reaction Phase I Mechanism of the biotin-dependent pyruvate carboxylase reaction Phase I
Model for induction of B. subtilis tyrS gene by uncharged tRNATyr Model for induction of B. subtilis tyrS gene by uncharged tRNATyr
Video: Renal Failure

For a complete list of videos, visit our video library