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Valve Repair

Authored by Michael Zurek

Professional Development

Professional Development

20 Questions

Used 10+ times

Valve Repair
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1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Portions of the valve stem on an OS+Y gate valve are smooth because ______.

it looks workmanlike

it makes the stem glossier

it makes the valve work faster

it provides a smooth sealing surface

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

The component that physically stops the flow of water when the valve is closed is the ______.

gland follower

gate

gland bolt

stuffing box

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Tightening the gland follower bolts _______.

compresses the packing

expands the packing

does nothing to the packing

compresses the valve handwheel

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

The tool most commonly used to remove the old valve packing is _______.

a spud wrench

a post indicator wrench

a packing extractor

a valve packer

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Valve packing ________.

is available in one size and type only

size and type varies by valve

is always made of Teflon

is always precut

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

The ends of the valve packing rings ______.

should be carefully aligned together

should be frayed

should be staggered 90 degrees

should overlap by 20 percent

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

After installing the new packing and reinstalling the gland follower, the gland bolts should be tightened _______.

to 50 ft./lbs.

to 75 ft./lbs.

to 100 ft./lbs.

until the valve stops leaking

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