INSTRUMENTATION NCCER TEST STUDY GUIDE
1.1. cthe cdensity cof ca cfluid caffect cthe cdisplacers
a. location
b. buoyancy
c. length
d. height: cb
2.2. cwhat cmode cmust cthe ccontroller cbe cin cbefore cany cchanges care cmade cto
cthe cprocess cvariable
a. manual
b. automatic
c. shut cdown
d. power coff: ca
3.3. cbills cof cmaterial care cfound cin
a. General cArrangement cdrawings
b. instrument cdetail cdrawings
c. piping corthographics
d. p&id: ca
4.4. cwhen cbench ccalibrating ca ctemperature cRTD ctransmitter, cthe cthe
cinstrument ctechnician cshould capply
a. hot cair cpressure
cb ccold cair
cpressure
c. resistance
d. voltage: cc
5.5. cbefore cworking con ca cd cenergized ccircuit ccontaining ca ccapacitor, cwhat
cmust cbe cdone
a. discharge cthe ccapacitor
b. re cenergize cthe ccircuit.
c. defibrillate cthe csystem
1 c/
c61
,d. remove cthe clock couts: ca
6.6. cthe cminimum cvalue cof cthe cmeasured cprocess crange cis cconsidered cto
cbe
a. upper cmeasured cvalue
b. zero cinput cvalue
c. span cvalue
d. 3 cPSI cand c4 cma: cd
7.7. ca csolenoid cvalve cis coften cused cto
a. direct cair cflow cthat copens cor ccloses can cair coperated cvalve.
b. regulate ctemperature.
c. regulate cthe camperage cthat cis cused cto copen cor cclosed ccontrol cvalue.
D. cControl cthe cvoltage cthat cis cused cto copen cor cclosed ccontracts: ca
2 c/
c61
,8.8. cviscosity cis canalyzed cin call cthe cfollowing cways cexcept
a. the cfollowing cBall cMethod.
B. cThe cviscositron cmethod
c. cthe crotating cdisk cmethod.
D. cThe ccapillary cmethod: cB
9.9. cthe cprocess cparameter cthat cis cselected cfor ccontrol cis ccalled cthe
a. process crate.
B. cControlled cenergy.
C. cProcess cset cpoint.
D. cControlled cvariable: cd
10.10. coptimal cgain cis cthe cmaximum callowable cvalue cof cgain cin cwhich
cthe csystem cis.
a. Stable.
B. cOscillating.
C. cAt cits chighest camplitude
D. cNot cresponding: ca
11.62. cmultiple cinstruments cwith cin ca cloop cshare ca ccommon
a. Loop cprefix
B. cLoop csuffix
C. cInstallation cdetail
D. cLoop cnumber: cd
12.11. ccarbon cdioxide cis cproduced ccommercially
A. By cextraction cfrom cthe catmosphere
B. As ca cbyproduct cof cmanufacturing
c. cBy cextraction cfrom cocean cwater
D. cThrough cchemical cbonding: cb
13.63. cwhat cis ca cthermowell
A. Temperature cmeasuring cdevice
B. Void cspace cfor cdemanding ctemperature cfluctuations
C. Top cside cof ca ctemperature ctransmitter
D. Protective cdevice cto chouse ca cthermocouple: cd
14.12. cfhe cmost creliable crelay cis ca/ can
A. EMR
B. Pneumatic
C. SSR
D. L ce cd: cc
15.64. cwhat cis cthe cmajor ccause cof cdeath cfrom celectrical cshock
A. Burns
B. Heart cfibrillation
3 c/
c61
, C. Head
ctrauma cD carc
cflash: cb
16.13. cthe cmodulating ccontrol, cthe cfirst cstep cis cto ccompute cthe cair
cbetween ccontrol cvariable cand cset cpoint. cThe csecond cstep cis cto
cproduce
A. Out csignal
B. Modulating cmode
C. Feedback cset cpoint
D. Process cfeedback: ca
17.65. cthe chydrostatic cpressure ccreated cin ca c10 cft ctank cwith c8 cft cwater cleve
cis
A. 3.4 cPSI
B. 4.3 cPSI
C. 8 cPSI
D. 10 cpsi: cc
18.14. ca cdashpot ctimer crelay cis
a. Is cwell csuited cfor cfast con-off cCycles
B. cIs ca ctype cof cpneumatic crelay
C. cHas cno cmoving cparts
D. cRequires ca clong creset ctime: cb
19.66. can cexample cof ca cdirect cmeasure cindicator cis ca
A. Pressure cgauge
B. Bull cthermometer
C. Sight cglass
D. Flow cmeter: ca
20.15. ca cphoto csensor cis ca
A. Double cthrow cdouble cpole cswitch
B. Silicon ccontrolled crectifier
C. Variable cresistor
D. Transformer: cb
21.67. cto ccreate ca cNOR cgate, cadd can cinverter cto cthe coutput cof
A. An ca cn cd cgate
B. on cOR cgate
C. And camplifier
D. A cn ca cn cd cgate: cb
22.16. cmost cpneumatic creceivers coperate cin cthe crange cof
A. c1 c- c5 cPSI
B. c0 c- c10 cpsi
4 c/
c61
1.1. cthe cdensity cof ca cfluid caffect cthe cdisplacers
a. location
b. buoyancy
c. length
d. height: cb
2.2. cwhat cmode cmust cthe ccontroller cbe cin cbefore cany cchanges care cmade cto
cthe cprocess cvariable
a. manual
b. automatic
c. shut cdown
d. power coff: ca
3.3. cbills cof cmaterial care cfound cin
a. General cArrangement cdrawings
b. instrument cdetail cdrawings
c. piping corthographics
d. p&id: ca
4.4. cwhen cbench ccalibrating ca ctemperature cRTD ctransmitter, cthe cthe
cinstrument ctechnician cshould capply
a. hot cair cpressure
cb ccold cair
cpressure
c. resistance
d. voltage: cc
5.5. cbefore cworking con ca cd cenergized ccircuit ccontaining ca ccapacitor, cwhat
cmust cbe cdone
a. discharge cthe ccapacitor
b. re cenergize cthe ccircuit.
c. defibrillate cthe csystem
1 c/
c61
,d. remove cthe clock couts: ca
6.6. cthe cminimum cvalue cof cthe cmeasured cprocess crange cis cconsidered cto
cbe
a. upper cmeasured cvalue
b. zero cinput cvalue
c. span cvalue
d. 3 cPSI cand c4 cma: cd
7.7. ca csolenoid cvalve cis coften cused cto
a. direct cair cflow cthat copens cor ccloses can cair coperated cvalve.
b. regulate ctemperature.
c. regulate cthe camperage cthat cis cused cto copen cor cclosed ccontrol cvalue.
D. cControl cthe cvoltage cthat cis cused cto copen cor cclosed ccontracts: ca
2 c/
c61
,8.8. cviscosity cis canalyzed cin call cthe cfollowing cways cexcept
a. the cfollowing cBall cMethod.
B. cThe cviscositron cmethod
c. cthe crotating cdisk cmethod.
D. cThe ccapillary cmethod: cB
9.9. cthe cprocess cparameter cthat cis cselected cfor ccontrol cis ccalled cthe
a. process crate.
B. cControlled cenergy.
C. cProcess cset cpoint.
D. cControlled cvariable: cd
10.10. coptimal cgain cis cthe cmaximum callowable cvalue cof cgain cin cwhich
cthe csystem cis.
a. Stable.
B. cOscillating.
C. cAt cits chighest camplitude
D. cNot cresponding: ca
11.62. cmultiple cinstruments cwith cin ca cloop cshare ca ccommon
a. Loop cprefix
B. cLoop csuffix
C. cInstallation cdetail
D. cLoop cnumber: cd
12.11. ccarbon cdioxide cis cproduced ccommercially
A. By cextraction cfrom cthe catmosphere
B. As ca cbyproduct cof cmanufacturing
c. cBy cextraction cfrom cocean cwater
D. cThrough cchemical cbonding: cb
13.63. cwhat cis ca cthermowell
A. Temperature cmeasuring cdevice
B. Void cspace cfor cdemanding ctemperature cfluctuations
C. Top cside cof ca ctemperature ctransmitter
D. Protective cdevice cto chouse ca cthermocouple: cd
14.12. cfhe cmost creliable crelay cis ca/ can
A. EMR
B. Pneumatic
C. SSR
D. L ce cd: cc
15.64. cwhat cis cthe cmajor ccause cof cdeath cfrom celectrical cshock
A. Burns
B. Heart cfibrillation
3 c/
c61
, C. Head
ctrauma cD carc
cflash: cb
16.13. cthe cmodulating ccontrol, cthe cfirst cstep cis cto ccompute cthe cair
cbetween ccontrol cvariable cand cset cpoint. cThe csecond cstep cis cto
cproduce
A. Out csignal
B. Modulating cmode
C. Feedback cset cpoint
D. Process cfeedback: ca
17.65. cthe chydrostatic cpressure ccreated cin ca c10 cft ctank cwith c8 cft cwater cleve
cis
A. 3.4 cPSI
B. 4.3 cPSI
C. 8 cPSI
D. 10 cpsi: cc
18.14. ca cdashpot ctimer crelay cis
a. Is cwell csuited cfor cfast con-off cCycles
B. cIs ca ctype cof cpneumatic crelay
C. cHas cno cmoving cparts
D. cRequires ca clong creset ctime: cb
19.66. can cexample cof ca cdirect cmeasure cindicator cis ca
A. Pressure cgauge
B. Bull cthermometer
C. Sight cglass
D. Flow cmeter: ca
20.15. ca cphoto csensor cis ca
A. Double cthrow cdouble cpole cswitch
B. Silicon ccontrolled crectifier
C. Variable cresistor
D. Transformer: cb
21.67. cto ccreate ca cNOR cgate, cadd can cinverter cto cthe coutput cof
A. An ca cn cd cgate
B. on cOR cgate
C. And camplifier
D. A cn ca cn cd cgate: cb
22.16. cmost cpneumatic creceivers coperate cin cthe crange cof
A. c1 c- c5 cPSI
B. c0 c- c10 cpsi
4 c/
c61
