NATE Final Exam #1 Questions And
Answers With Verified Update
Generally, Nvibration Neliminators Nin Npiping Nshould Nbe Ninstalled: N
NA: NAt Na N45 Ndegree Nangle
NB: NAt Na N90 Ndegree Nangle
NC: NPerpendicular Nto Nthe Ncompressor Ncrankshaft
ND: NParallel Nto Nthe Ncompressor Ncrankshaft N- NAnswer N- ND: NParallel Nto Nthe Ncompressor
Ncrankshaft
If Nyou Npurchased Nten Nfilter-driers Nfor N$100.00, Nwhat Nwas Nthe Nprice Nof Neach Nfilter-drier? N
NA: N$100.00
NB: N$10.00
NC: N$1.00
ND: N$1.10 N- NAnswer N- NB: N$10.00
Which Nof Nthe Nfollowing Njobs Nrequires Nsafety Nglasses? N
NA: NDriving Na Nvehicle
,NB: NExtending Na Nladder
NC: NBrazing
ND: NPulling Nthermostat Nwire N- NAnswer N- NC: NBrazing
Which Nof Nthe Nfollowing Ninstruments Nwould Ntypically Nbe Nused Nto Nmeasure Na Nvacuum? N
NA: NMicron Ngauge
NB: NThermostat
NC: NAnemometer
ND: NDifferential Npressure Ngauge N- NAnswer N- NA: NMicron Ngauge
ASHRAE NStandard N34 Ndeals Nwith: N
NA: NCarbon Nmonoxide Nsafety Nlevels
NB: NRefrigerant Nquality
NC: NEquipment Nroom Nventilation Nand Nalarms
ND: NRefrigerant Ntoxicity Nand Nflammability N- NAnswer N- ND: NRefrigerant Ntoxicity Nand Nflammability
ANSI/ASHRAE N34 Npublished Nin N2001 Nand Nentitled N"Designation Nand NSafety NClassification Nof
NRefrigerants".
, • NClass NA Nsignifies Nrefrigerants Nfor Nwhich Ntoxicity Nhas Nnot Nbeen Nidentified Nat Nconcentrations
Nless Nthan Nor Nequal Nto N400 Nppm;
• NClass NB Nsignifies Nrefrigerants Nfor Nwhich Nthere Nis Nevidence Nof Ntoxicity Nat Nconcentrations
Nbelow N400 Nppm.
• NClass N1 Nindicates Nrefrigerants Nthat Ndo Nnot Nshow Nflame Npropagation Nwhen Ntested Nin Nair Nat
N21°C Nand N101 NkPa;
• NClass N2 Nindicates Nrefrigerants Nhaving Na Nlower Nflammability Nlimit Nof Nmore Nthan N0.10 Nkg/m3
Nat N21°C Nand N101 NkPa Nand Na Nheat Nof Ncombustion Nof Nless Nthan N19 NkJ/kg;
• NClass N3 Nindicates Nrefrigerants Nthat Nare Nhighly Nflammable Nas Ndefined Nby Na Nlower
Nflammability Nlimit Nof Nless Nthan Nor Nequal Nto N0.10 Nkg/m3 Nat N21°C Nand N101 NkPa Nor Na Nheat
Nof Ncombustion Ngreater Nthan Nor Nequal Nto N19 NkJ/kg.
What Ncontrol Nwould Nyou Nuse Non Na Ncapillary Ntube Nor Nautomatic Nexpansion Nvalve Nsystem Nto
Nmaintain Nthe Ndesired Ntemperature?
N
NA: NDual Npressure Ncontrol
NB: NHigh Npressure Ncontrol
NC: NThermostatic Ntemperature Ncontrol
ND: NLow Npressure Ncontrol N- NAnswer N- NC: NThermostatic Ntemperature Ncontrol
The Ntotal Nheat Ncontained Nin Nany Nsubstance Nis Nobtained Nby Nadding Ntogether Nits: N
NA: NRadiant Nand Nspecific Nheat
NB: NLatent Nand Nsensible Nheat
NC: NRadiant Nand Nsensible Nheat
Answers With Verified Update
Generally, Nvibration Neliminators Nin Npiping Nshould Nbe Ninstalled: N
NA: NAt Na N45 Ndegree Nangle
NB: NAt Na N90 Ndegree Nangle
NC: NPerpendicular Nto Nthe Ncompressor Ncrankshaft
ND: NParallel Nto Nthe Ncompressor Ncrankshaft N- NAnswer N- ND: NParallel Nto Nthe Ncompressor
Ncrankshaft
If Nyou Npurchased Nten Nfilter-driers Nfor N$100.00, Nwhat Nwas Nthe Nprice Nof Neach Nfilter-drier? N
NA: N$100.00
NB: N$10.00
NC: N$1.00
ND: N$1.10 N- NAnswer N- NB: N$10.00
Which Nof Nthe Nfollowing Njobs Nrequires Nsafety Nglasses? N
NA: NDriving Na Nvehicle
,NB: NExtending Na Nladder
NC: NBrazing
ND: NPulling Nthermostat Nwire N- NAnswer N- NC: NBrazing
Which Nof Nthe Nfollowing Ninstruments Nwould Ntypically Nbe Nused Nto Nmeasure Na Nvacuum? N
NA: NMicron Ngauge
NB: NThermostat
NC: NAnemometer
ND: NDifferential Npressure Ngauge N- NAnswer N- NA: NMicron Ngauge
ASHRAE NStandard N34 Ndeals Nwith: N
NA: NCarbon Nmonoxide Nsafety Nlevels
NB: NRefrigerant Nquality
NC: NEquipment Nroom Nventilation Nand Nalarms
ND: NRefrigerant Ntoxicity Nand Nflammability N- NAnswer N- ND: NRefrigerant Ntoxicity Nand Nflammability
ANSI/ASHRAE N34 Npublished Nin N2001 Nand Nentitled N"Designation Nand NSafety NClassification Nof
NRefrigerants".
, • NClass NA Nsignifies Nrefrigerants Nfor Nwhich Ntoxicity Nhas Nnot Nbeen Nidentified Nat Nconcentrations
Nless Nthan Nor Nequal Nto N400 Nppm;
• NClass NB Nsignifies Nrefrigerants Nfor Nwhich Nthere Nis Nevidence Nof Ntoxicity Nat Nconcentrations
Nbelow N400 Nppm.
• NClass N1 Nindicates Nrefrigerants Nthat Ndo Nnot Nshow Nflame Npropagation Nwhen Ntested Nin Nair Nat
N21°C Nand N101 NkPa;
• NClass N2 Nindicates Nrefrigerants Nhaving Na Nlower Nflammability Nlimit Nof Nmore Nthan N0.10 Nkg/m3
Nat N21°C Nand N101 NkPa Nand Na Nheat Nof Ncombustion Nof Nless Nthan N19 NkJ/kg;
• NClass N3 Nindicates Nrefrigerants Nthat Nare Nhighly Nflammable Nas Ndefined Nby Na Nlower
Nflammability Nlimit Nof Nless Nthan Nor Nequal Nto N0.10 Nkg/m3 Nat N21°C Nand N101 NkPa Nor Na Nheat
Nof Ncombustion Ngreater Nthan Nor Nequal Nto N19 NkJ/kg.
What Ncontrol Nwould Nyou Nuse Non Na Ncapillary Ntube Nor Nautomatic Nexpansion Nvalve Nsystem Nto
Nmaintain Nthe Ndesired Ntemperature?
N
NA: NDual Npressure Ncontrol
NB: NHigh Npressure Ncontrol
NC: NThermostatic Ntemperature Ncontrol
ND: NLow Npressure Ncontrol N- NAnswer N- NC: NThermostatic Ntemperature Ncontrol
The Ntotal Nheat Ncontained Nin Nany Nsubstance Nis Nobtained Nby Nadding Ntogether Nits: N
NA: NRadiant Nand Nspecific Nheat
NB: NLatent Nand Nsensible Nheat
NC: NRadiant Nand Nsensible Nheat
