NCCER INSTRUMENTATION EXAM LATEST QUESTIONS WITH ALL CORRECT AND VERIFIED ANSWERS
Question 1: Where can the appropriate elevation of an instrument be found?
A. Location drawing
B. P & ID
C. Flow diagram
D. Loop drawing
Correct Answer: A. Location drawing
Question 2: Chemical cleaning of tubing attached to instruments may cause damage to sensor
A. Electronics
B. Paint
C. Elements
D. Bolts
Correct Answer: C. Elements
Question 3: When making 90 - degree tubing bend , allowance for springback should be :
A. 6 to 8 degrees
B. 4-5 degrees
C. 1 to 3 degrees
D. 0 degrees
Correct Answer: C. 1 to 3 degrees
Question 4: Cable shields should be connected to the :
A. Signal ground reference point
B. Ground at each accessible location
C. First accessible grounding electrode
D. Raceway or cable tray in which the cable is routed
Correct Answer: B. Ground at each accessible location
Question 5: 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 control
D. Remote control
Correct Answer: C. Exclusive control
Question 6: A compressor keeps blowing a PSV for troubleshooting a technician should start looking at
A. Power switch setting
B. Pressure switch deadband
C. Level switch setting
D. Float swich deadband
Correct Answer: B. Pressure switch deadband
Question 7: In the figure provided the pipe line that carries working process fluid such as steam water or gas is labeled as
A. A
B. B
C. C
D. D
Correct Answer: A. A
Question 8: A heat reactive dryer is producing damp instrument air what could be a simple fix
A. Replace desiccant
B. Change to a different desiccant
C. Adjust the cycle time
D. Add a second set of dryers
Correct Answer: C. Adjust the cycle time
Question 9: Type J thermocouple extension wire is
A. White & red
B. Yellow & red
C. Blue & red
D. Green & red
Correct Answer: A. White & red