Black Seal LP NJ Exam Questions With
Correct Answers
Carryover ||can ||lead ||to: ||- ||CORRECT ||ANSWER✔✔-Water ||Hammer
If ||water ||leaves ||the ||boiler ||at ||170 ||degrees, ||what ||temperature ||does ||it ||return ||at? ||- ||
CORRECT ||ANSWER✔✔-150 ||Degrees
The ||positioning ||control ||cannot ||function ||without: ||- ||CORRECT ||ANSWER✔✔-Air
What ||fire ||tube ||boiler ||is ||most ||efficient? ||- ||CORRECT ||ANSWER✔✔-4 ||Pass
What ||is ||the ||purpose ||of ||a ||check ||valve? ||- ||CORRECT ||ANSWER✔✔-Allows ||flow ||in ||one ||
direction
A ||solenoid ||valve ||is: ||- ||CORRECT ||ANSWER✔✔-Is ||an ||automatic ||gas ||shutoff ||valve
What ||does ||PSIA ||stand ||for? ||- ||CORRECT ||ANSWER✔✔-PSIG ||+ ||Atmospheric ||Pressure
Water ||column ||& ||gauge ||glass ||should ||be ||blown ||down: ||- ||CORRECT ||ANSWER✔✔-Daily
What ||is ||the ||most ||common ||cause ||of ||cast ||iron ||boiler ||failure? ||- ||CORRECT ||ANSWER✔✔-
Cracking
, What ||is ||the ||most ||common ||cause ||of ||problems ||in ||a ||hot ||water ||system? ||- ||CORRECT ||
ANSWER✔✔-AIR
External ||feedwater ||treatment ||can ||be ||a ||______ ||process ||- ||CORRECT ||ANSWER✔✔-Cold ||
lime ||soda, ||hot ||lime ||soda, ||or ||ion ||exchange.
Natural ||water ||may ||contain: ||- ||CORRECT ||ANSWER✔✔-Solids ||and ||other ||pollutants
Where ||are ||the ||combustion ||gases ||on ||a ||serpentine ||boiler? ||- ||CORRECT ||ANSWER✔✔-Below
||the ||tubes
A ||steam ||gauge ||is ||calibrated ||in: ||- ||CORRECT ||ANSWER✔✔-Pounds ||per ||square ||inch
What ||code ||is ||a ||heating ||boiler ||built ||to? ||- ||CORRECT ||ANSWER✔✔-ASME ||Section ||IV
What ||test ||is ||performed ||on ||re-tubed ||(repaired) ||boiler ||and ||what ||is ||the ||water ||temp? ||- ||
CORRECT ||ANSWER✔✔-Hydrostatic ||Test ||at ||70 ||F
Under ||what ||ASME ||section ||is ||the ||care ||and ||operation ||of ||heating ||boilers? ||- ||CORRECT ||
ANSWER✔✔-Section ||VI
The ||expansion ||tank ||in ||a ||hot ||water ||system ||allows ||for ||the ||expansion ||of? ||- ||CORRECT ||
ANSWER✔✔-WATER
As ||the ||water ||in ||a ||hot ||water ||system ||expands: ||- ||CORRECT ||ANSWER✔✔-The ||pressure ||
remains ||constant
The ||most ||common ||type ||of ||pressure ||control ||device ||used ||is ||the: ||- ||CORRECT ||ANSWER✔✔-
Mercury ||Tube
Correct Answers
Carryover ||can ||lead ||to: ||- ||CORRECT ||ANSWER✔✔-Water ||Hammer
If ||water ||leaves ||the ||boiler ||at ||170 ||degrees, ||what ||temperature ||does ||it ||return ||at? ||- ||
CORRECT ||ANSWER✔✔-150 ||Degrees
The ||positioning ||control ||cannot ||function ||without: ||- ||CORRECT ||ANSWER✔✔-Air
What ||fire ||tube ||boiler ||is ||most ||efficient? ||- ||CORRECT ||ANSWER✔✔-4 ||Pass
What ||is ||the ||purpose ||of ||a ||check ||valve? ||- ||CORRECT ||ANSWER✔✔-Allows ||flow ||in ||one ||
direction
A ||solenoid ||valve ||is: ||- ||CORRECT ||ANSWER✔✔-Is ||an ||automatic ||gas ||shutoff ||valve
What ||does ||PSIA ||stand ||for? ||- ||CORRECT ||ANSWER✔✔-PSIG ||+ ||Atmospheric ||Pressure
Water ||column ||& ||gauge ||glass ||should ||be ||blown ||down: ||- ||CORRECT ||ANSWER✔✔-Daily
What ||is ||the ||most ||common ||cause ||of ||cast ||iron ||boiler ||failure? ||- ||CORRECT ||ANSWER✔✔-
Cracking
, What ||is ||the ||most ||common ||cause ||of ||problems ||in ||a ||hot ||water ||system? ||- ||CORRECT ||
ANSWER✔✔-AIR
External ||feedwater ||treatment ||can ||be ||a ||______ ||process ||- ||CORRECT ||ANSWER✔✔-Cold ||
lime ||soda, ||hot ||lime ||soda, ||or ||ion ||exchange.
Natural ||water ||may ||contain: ||- ||CORRECT ||ANSWER✔✔-Solids ||and ||other ||pollutants
Where ||are ||the ||combustion ||gases ||on ||a ||serpentine ||boiler? ||- ||CORRECT ||ANSWER✔✔-Below
||the ||tubes
A ||steam ||gauge ||is ||calibrated ||in: ||- ||CORRECT ||ANSWER✔✔-Pounds ||per ||square ||inch
What ||code ||is ||a ||heating ||boiler ||built ||to? ||- ||CORRECT ||ANSWER✔✔-ASME ||Section ||IV
What ||test ||is ||performed ||on ||re-tubed ||(repaired) ||boiler ||and ||what ||is ||the ||water ||temp? ||- ||
CORRECT ||ANSWER✔✔-Hydrostatic ||Test ||at ||70 ||F
Under ||what ||ASME ||section ||is ||the ||care ||and ||operation ||of ||heating ||boilers? ||- ||CORRECT ||
ANSWER✔✔-Section ||VI
The ||expansion ||tank ||in ||a ||hot ||water ||system ||allows ||for ||the ||expansion ||of? ||- ||CORRECT ||
ANSWER✔✔-WATER
As ||the ||water ||in ||a ||hot ||water ||system ||expands: ||- ||CORRECT ||ANSWER✔✔-The ||pressure ||
remains ||constant
The ||most ||common ||type ||of ||pressure ||control ||device ||used ||is ||the: ||- ||CORRECT ||ANSWER✔✔-
Mercury ||Tube
