Intro to Industrial Automation Midterm

If the service factor for a motor is not given on the nameplate, what should you assume the service factor to be?

• 1.5

• 1

• 1.25

• 1.35

Parts of an electrical system that should be connected to earth ground include __________.

• Metal raceways

• Metal conduit

• Metal enclosures

• • All of the above

  
  

Which of the following items on a motor's nameplate is used to determine how much output power a motor can safely produce above its rated output power?

• Frame

• Ambient tempurature

• Service factor

• Insulation class

Who should remove a lockout/tagout?

• Only the person(s) who installed it

• Anyone who needs to use the quipment

• Only the manufacturer

• Any supervisor or management

Three-phase power is transmitted in phases that are __________ degrees apart.

• 60

• 120

• 90

• 100

Which of the following is not a basic rule of electrical safety?

• Remove all metal jewelry

• Always keep your tools and equipment organized

• Always work by yourself

• Work with one hand when possible

__________ protection on a manual starter will prevent the automatic restart of a motor when recovering from a power loss.

• Undervoltage

• Overvoltage

• Overcurrent

• All of the above

The contacts of a manual starter will remain in the actuated position when power is lost.

• True

• False

The type of manual starter used for three-phase motors is a __________.

• Fractional horsepower starter

• Integral horsepower starter

• Single-pole starter

• Two-pole starter

Which of the following is a function of motor control?

• Short circuit

• Speed control

• Disconnect

• Motor starter