Variable Speed Power Transmission Devices Flashcards Preview

Millwright 2nd Year > Variable Speed Power Transmission Devices > Flashcards

Flashcards in Variable Speed Power Transmission Devices Deck (7)
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0
Q

What does PIV stand for

A

Positive infinite variable

1
Q

What does VFD stand for

A

Variable frequency drive

2
Q

All variable speed mechanical drives operate in two operational ranges what are they

A

Constant torque and constant horsepower

3
Q

Who must lock out equipment

A

Each person working on a piece of equipment

4
Q

What should you do if you are unsure of what to lock out

A

Ask someone who knows

5
Q

What Should you do before working on equipment that is locked out

A

Perform a test start or bump test

6
Q

Wide belt drives are variable speed mechanical what kind of pulleys do they use

A

Adjustable diameter pulleys