INSTRUMENTATION NCCER
TEST STUDY GUIDE
1. a DCs except 1 to 5 volt inputs. the transmitter outputs are 4 -
20 ma. what type of resistor should normally be installed in the
analog input card
A. 2.5 ohms
B. 25.0 ohms
C. 100.0 ohms
D. 250.0 ohms
d
2. a chromatograph is used to
A. Determine amount of chrome and alloys
B. Determine the chemical composition of a liquid or gas
C. Locate chromium deposits
D. Locate chemicals in the Gulf Stream
b
3. density is analyzed using all the following methods except
A. Air bubbler
B. Displacement
C. Densitometer
D. Peptide
d
4. which of the following adjustments on a pressure transmitter
sets the minimum range value
A. zero
B. Range
,C. Span
D. Minimum adjust
a
5. in a flash point analyzer the flash point of a fluid is detected by
a. A Blue Halo
B. A continuous Flame
C. an unsustained Flame
D. A rapid strobe effect
c
6. proving a loop is a
a. Physical inspection of all of the components
B. Simulator test run
C. Point-to-point interconnection
D. Revising the loop documents as built
b
7. which of the following increases the inductance of a circuit
A. Increasing conductor size
B. Decreasing coil diameter
C. Increasing number of turns in a coil
D. Minimizing the air gap and the coil core
c
8. a transmitter has a range 0-304.7" wc. what is the range in PSI
A. 0 - 7 PSI
B. 0 - 9 PSI
C. 0 - 10.7 PSI
D. 0 - 11 PSI
d
9. When selecting a regulator, choose the
a. Larger arrange spring if two Springs have the desired pressure
, setting
B. Regulator body size that is larger than the pipe size
C. Overpressure protection that protects the regulator
D. Largest port diameter that will handle flow
c
10. hazards from aerosol cans include all of the following except
A. Implosion due to sudden gas release
B. Explosion caused by high temperatures
C. Explosion caused by punctured cans
D. Chemical burns
a
11. a decreasing output with increasing input describes
A. Direct action
B. Nozzle equilibrium
C. Reverse action
D. Feedback access
c
12. when turning a controller, increasing gain
A. Decrease sensitivity
B. Increases sensitivity
C. Decreases precision
D. Increases precision
b
13. the basic element of the shift register is the
A. n o r gate
B. nand gate
C. Latching circuit
D. Flip flop circuit
d
TEST STUDY GUIDE
1. a DCs except 1 to 5 volt inputs. the transmitter outputs are 4 -
20 ma. what type of resistor should normally be installed in the
analog input card
A. 2.5 ohms
B. 25.0 ohms
C. 100.0 ohms
D. 250.0 ohms
d
2. a chromatograph is used to
A. Determine amount of chrome and alloys
B. Determine the chemical composition of a liquid or gas
C. Locate chromium deposits
D. Locate chemicals in the Gulf Stream
b
3. density is analyzed using all the following methods except
A. Air bubbler
B. Displacement
C. Densitometer
D. Peptide
d
4. which of the following adjustments on a pressure transmitter
sets the minimum range value
A. zero
B. Range
,C. Span
D. Minimum adjust
a
5. in a flash point analyzer the flash point of a fluid is detected by
a. A Blue Halo
B. A continuous Flame
C. an unsustained Flame
D. A rapid strobe effect
c
6. proving a loop is a
a. Physical inspection of all of the components
B. Simulator test run
C. Point-to-point interconnection
D. Revising the loop documents as built
b
7. which of the following increases the inductance of a circuit
A. Increasing conductor size
B. Decreasing coil diameter
C. Increasing number of turns in a coil
D. Minimizing the air gap and the coil core
c
8. a transmitter has a range 0-304.7" wc. what is the range in PSI
A. 0 - 7 PSI
B. 0 - 9 PSI
C. 0 - 10.7 PSI
D. 0 - 11 PSI
d
9. When selecting a regulator, choose the
a. Larger arrange spring if two Springs have the desired pressure
, setting
B. Regulator body size that is larger than the pipe size
C. Overpressure protection that protects the regulator
D. Largest port diameter that will handle flow
c
10. hazards from aerosol cans include all of the following except
A. Implosion due to sudden gas release
B. Explosion caused by high temperatures
C. Explosion caused by punctured cans
D. Chemical burns
a
11. a decreasing output with increasing input describes
A. Direct action
B. Nozzle equilibrium
C. Reverse action
D. Feedback access
c
12. when turning a controller, increasing gain
A. Decrease sensitivity
B. Increases sensitivity
C. Decreases precision
D. Increases precision
b
13. the basic element of the shift register is the
A. n o r gate
B. nand gate
C. Latching circuit
D. Flip flop circuit
d
