NCCER Instrument Tech Questions with Approved Answers. | Latest 2024/2025
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Course
NCCER
Institution
NCCER
An employee de energizes a piece of equipment by removing the power plug from the outlet . If the employee continues to hold on to the power plug once removed , this employee is said to have what type of control over the energy potential ?
A. Isolation control
B. Lockout tagout
C. Exclusive c...
An employee de energizes a piece of equipment by removing the
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power plug from the outlet . If the employee continues to hold on
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to the power plug once removed , this employee is said to have
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what type of control over the energy potential ?
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A. Isolation control
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B. Lockout tagout
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C. Exclusive control
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D. Remote control
i- i- i-i- i- C. Exclusive control
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What can happen if an instrument is getting too much EMI noise
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A. It can lead to instrument inaccuracy
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B. It can lead to instrument damage
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C. It can blow a fuse
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D. It can short capacitor
i- i- i- i- i-i- i- A. It can lead to instrument inaccuracy
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A temperature measuring device that produces a voltage as the
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temperature changes is a / an : i- i- i- i- i- i- i-
A. RTDi- i-
,B. Thermistor
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C. Thermometer
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D. Thermocouple
i- i-i- i- D. Thermocouple (INST LVL 2) (12110-15
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section 1.2.2) i-
A pressure piping code is found in :
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A. ANSI B 31.1
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B. NEC 690 .
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C. OSHA1910 .
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D. ISA S 5.1
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When marking tubing for cutting , the preferred method is
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A. Scribe a mark into the tube with a sharp object .
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B. Mark the tube with a grease pencil
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C. Mark the tube with a felt tip pen
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D. Mark the tube with a crayon
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pen
An example of direct measurement indicator is a :
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A. Pressure gauge
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B. Bulb thermometer
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,C. Sight glass
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D. Flowmeter
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On the image , how many hand valves are installed on Tank 1201C
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A. 1
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B. 2
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C. 3
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D. 4
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What is the first step in troubleshooting a problem in a system ?
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A. Turn off power to the instrument
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B. Stimulate an input
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C. Verify that there is a problem
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D. Stimulate an output
i- i- i- i-i- i- C. Verify that there is a problem
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Where can the appropriate elevation of an instrument be found ?
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A. Location drawing
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B. P & ID
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C. Flow diagram
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D. Loop drawing
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, Chemical cleaning of tubing attached to instruments may cause
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damage to sensor i- i- i-
A. Electronics
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B. Paint
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C. Elements
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D. Bolts
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When making 90 - degree tubing bend , allowance for springback
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should be : A. 6 to 8 degrees
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B. 4-5 degrees
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C. 1 to 3 degrees
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D. 0 degrees
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Cable shields should be connected to the :
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A. Signal ground reference point
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B. Ground at each accessible location
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C. First accessible grounding electrode
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D. Raceway or cable tray in which the cable is routed
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at each accessible location
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When is the BEST time to document each loop check for
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commissioning ? A. Prior to the start of inspection i- i- i- i- i- i- i- i- i-
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