1. An orifice plate causes a A. Pressure
pressure drop which can (B.) Flow
be measured calculate : C. Temperature
D. Detector
2. Cable shields should be A. Signal ground reference point
connected to the : (B) Ground at each accessible location
C. First accessible grounding electrode
D . Raceway or cable tray in which the cable
tray is routed
3. Cleaning of piping and A. Shipping
tubing is generally required B. Manufacturing
after all of the following EX- C. Construction
CEPT : (D) Modification
4. A valve has linear- flow ( A. ) flow corresponds directly to the valve stem
characteristics when the : position .
B. differential pressure corresponds directly to
the valve stem position
C. flow is high enough to retract the valve stem
.
D. flow does not pass through the control loops
.
5. Workers should always A. Deenergized until proven
assume that all electrical (B) Energized until proven
equipment and lines are C. Proven with a hot stick
D. Proven by another employee
6. What instrument drawing A. Orthographic Drawing
shows an actual represen- B. Location Drawing
tation of a process operat- C. Isometric Drawing
ing sequence ? ( D)P & ID
7. Old packing should be A. One size larger
replaced with new packing B. One size smaller
which is : (C) In kind
D. Softer material
, NCCER INST. QUESTIONS AND ANSWERS 2024 EXAM REVIEW
8. For most tube bender ra- (A.) One tube diameter
dius blocks , a 90 degree B1 1/2 tube diameter
bend gains approximately C. 2 tube diameter
D. 2 ½ tube diameter
9. Where are rubber gas- A. In a high pressure / low temperature sys-
kets used ? tems
(B) In a low pressure / low temperature sys-
tems
C. In a hot water / steam systems
D. In low pressure / high temperature systems
10. The process parameter A. Process Rate
that is selected for control B. Controlled Energy
is called the : C. Process Setpoint
( D. ) Controlled Variable
11. What is the purpose of ( A. ) Shows instrument location as it related to
the P & ID ? the process
B. Provides uniform guidelines for Connection
of Instrumentation
C. Shows actual equipment location within the
structure
D. Shows Instrument elations
12. When replacing a control (A) Location of signal ports
valve " in kind " , what is the B. Flange to flange dimensions
least important ? C. Failure mode
D. Valve type
13. Smart instrument trans- A. Manometer
mitters require which of (B) Communicator
the following for calibration C. Oscilloscope
and configuration ? D. Volt - ohm meter / P in
14. What is the purpose of anI A. Indicates the actual position of the control
/ P in a control loop ? valve
(B.) Converts the controllers electrical signal to
a control pressure
C. Allows the controllers integral / proportional