A variable frequency drive control panel is typically _____.

A variable frequency drive control panel is typically _____.
 
  a. removable
  b. wireless
  c. battery-powered
  d. very heavy

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[Ques. 2] When using a motor other than a NEMA Design A or B with a VFD, what added precaution must be taken?
 
  a. Use a totally enclosed motor
  b. Add special drive circuitry
  c. Add an IGBT to the motor
  d. Increase supply voltage by 10 percent

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[Ques. 3] In a traditional carpentry apprenticeship program, the total number of OJL hours required is _____.
 
  a. 500
  b. 2,000
  c. 4,000
  d. 8,000

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[Ques. 4] What is the maximum voltage permitted when using a motor rated for 208-240V?
 
  a. 253V
  b. 208V
  c. 264V
  d. 240V

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[Ques. 5] A program requiring a trainee to demonstrate the ability to perform job -related tasks is described as _____.
 
  a. competency-based
  b. accredited
  c. standardized
  d. on-the-job training