PIPEFITTER STAR EXAM
The best source of schematic, parts lists and instruments for repair
and calibration is:
A. manufacturers' literature
B. on the job training
C. instrument theory manuals
D. co-workers - ANSWERS-instrument theory manuals
Process connection lines are indicated on an instrumentation diagram
by:
bold solid lines
bold broken lines
fine broken lines
fine solid lines - ANSWERS-fine solid lines
On an instrumentation diagram, the loop identification:
appears in the upper portion of the instrument balloon
B.
is the same for all instruments in a specific loop
C.
consists of two, three, or four letters
D.
,identifies the measured or initiating variable - ANSWERS-is the same
for all instruments in a specific loop
What is the approximate pressure, in psig, at the bottom of a tank 20
ft. high filled with a fluid that has a specific gravity of 1.5? -
ANSWERS-12.99
In the field of process instrumentation, control action is usually
initiated by a: - ANSWERS-sensor
Which of the following parts of a globe valve serves the same
purposes as the disc in a butterfly valve?
A.
plug
B.
packing rings
C.
seat
D.
packing flange - ANSWERS-plug
The span, in in. of water, for a differential pressure transmitter used to
measure the full level of a tank that is 5'-6" high, and contains a
process material with a specific gravity of 0.9, should be: -
ANSWERS-59.4
,The term valve trim refers to:
A. body style and material construction
B. the pneumatic actuator
C. orientation in a process installation
D. the stem, plug, and seat ring - ANSWERS-the stem, plug, and seat
ring
What causes 90% of all construction injuries and deaths and are used
to help OSHA inspectors improve their effectiveness? - ANSWERS-
Focus Hazards
What is the minimum safe working distance for overhead power
lines? - ANSWERS-10 feet
What is the standard procedure used to safely de-energize equipment
on circuits before they are worked on? - ANSWERS-Lockout/Tagout
Which of the following is not true about Material Safety Data Sheets?
- ANSWERS-They can be written in any language
What are the four focus inspections OSHA compliance officers look
for? - ANSWERS-Fall Hazards, Electrical Hazards, Caught in, Struck
by
, The sizes of pipe are identified by the measurement called the: -
ANSWERS-Nominal pipe size NPS
Steel pipe is supplied with the following end finish (es): -
ANSWERS-PESC, T & C TBE
(All of the above)
What is a typical type of welded pipe joints? - ANSWERS-Butt-
welded, Socket-welded, Slip-on Flanged (All of the above)
List the four principle functions of valves. - ANSWERS-Start/Stop,
Regulate/Throttle, Relief, Reduce
Regulating or throttling flow is done with a: - ANSWERS-Both B and
C, (globe and gate valve)
Name the two basic types of check valves. - ANSWERS-Lift and
Swing
The most common hanger used in piping systems is the: -
ANSWERS-Clevis
Never expose any part of a compressed gas cylinder to temperatures
above: - ANSWERS-125°F
The best source of schematic, parts lists and instruments for repair
and calibration is:
A. manufacturers' literature
B. on the job training
C. instrument theory manuals
D. co-workers - ANSWERS-instrument theory manuals
Process connection lines are indicated on an instrumentation diagram
by:
bold solid lines
bold broken lines
fine broken lines
fine solid lines - ANSWERS-fine solid lines
On an instrumentation diagram, the loop identification:
appears in the upper portion of the instrument balloon
B.
is the same for all instruments in a specific loop
C.
consists of two, three, or four letters
D.
,identifies the measured or initiating variable - ANSWERS-is the same
for all instruments in a specific loop
What is the approximate pressure, in psig, at the bottom of a tank 20
ft. high filled with a fluid that has a specific gravity of 1.5? -
ANSWERS-12.99
In the field of process instrumentation, control action is usually
initiated by a: - ANSWERS-sensor
Which of the following parts of a globe valve serves the same
purposes as the disc in a butterfly valve?
A.
plug
B.
packing rings
C.
seat
D.
packing flange - ANSWERS-plug
The span, in in. of water, for a differential pressure transmitter used to
measure the full level of a tank that is 5'-6" high, and contains a
process material with a specific gravity of 0.9, should be: -
ANSWERS-59.4
,The term valve trim refers to:
A. body style and material construction
B. the pneumatic actuator
C. orientation in a process installation
D. the stem, plug, and seat ring - ANSWERS-the stem, plug, and seat
ring
What causes 90% of all construction injuries and deaths and are used
to help OSHA inspectors improve their effectiveness? - ANSWERS-
Focus Hazards
What is the minimum safe working distance for overhead power
lines? - ANSWERS-10 feet
What is the standard procedure used to safely de-energize equipment
on circuits before they are worked on? - ANSWERS-Lockout/Tagout
Which of the following is not true about Material Safety Data Sheets?
- ANSWERS-They can be written in any language
What are the four focus inspections OSHA compliance officers look
for? - ANSWERS-Fall Hazards, Electrical Hazards, Caught in, Struck
by
, The sizes of pipe are identified by the measurement called the: -
ANSWERS-Nominal pipe size NPS
Steel pipe is supplied with the following end finish (es): -
ANSWERS-PESC, T & C TBE
(All of the above)
What is a typical type of welded pipe joints? - ANSWERS-Butt-
welded, Socket-welded, Slip-on Flanged (All of the above)
List the four principle functions of valves. - ANSWERS-Start/Stop,
Regulate/Throttle, Relief, Reduce
Regulating or throttling flow is done with a: - ANSWERS-Both B and
C, (globe and gate valve)
Name the two basic types of check valves. - ANSWERS-Lift and
Swing
The most common hanger used in piping systems is the: -
ANSWERS-Clevis
Never expose any part of a compressed gas cylinder to temperatures
above: - ANSWERS-125°F
