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Stationary Engineer's Exam Questions and Answers, Exams of Boilers and Welding

California State University Maritime Academy (CSUM)Boilers and Welding

A set of questions and answers related to the stationary engineer's exam. It covers topics such as absolute zero, mechanical equivalent of heat, boiler components, and various engineering principles. The questions are presented with their correct answers, making it a useful resource for exam preparation and review. It includes questions about pumps, compressors, refrigeration systems, and boiler maintenance, offering a comprehensive overview of key concepts in stationary engineering. This material is designed to help students and professionals prepare for certification exams and enhance their understanding of stationary engineering principles. A valuable resource for those seeking to test their knowledge and improve their understanding of stationary engineering concepts.

Typology: Exams

2025/2026

Available from 12/07/2025

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1st ||\\//|| Class ||\\//|| Stationary ||\\//|| Engineer's ||\\//|| Exam ||\\//|| with ||\\//|| accurate ||\\//||
detailed ||\\//|| solutions
Absolute ||\\//|| zero ||\\//|| is ||\\//|| - ||\\//|| correct ||\\//|| answer✔✔-460 ||\\//|| F
The ||\\//|| mechanical ||\\//|| equivalent ||\\//|| of ||\\//|| heat ||\\//|| is ||\\//|| - ||\\//|| correct ||\\//|| answer✔✔778 ||\\//|| BTUs
The ||\\//|| failure ||\\//|| of ||\\//|| a ||\\//|| brick ||\\//|| furnace ||\\//|| lining ||\\//|| is ||\\//|| called ||\\//|| - ||\\//|| correct ||\\//|| answer✔✔Spalling
The ||\\//|| amount ||\\//|| of ||\\//|| heat ||\\//|| required ||\\//|| to ||\\//|| change ||\\//|| the ||\\//|| state ||\\//|| of ||\\//|| a ||\\//|| substance ||\\//|| is ||\\//|| called ||\\//|| - ||\\//|| correct ||\\//||
answer✔✔Latent
The ||\\//|| section ||\\//|| of ||\\//|| solid ||\\//|| plate ||\\//|| between ||\\//|| tube ||\\//|| holes ||\\//|| is ||\\//|| called ||\\//|| a ||\\//|| - ||\\//|| correct ||\\//|| answer✔✔Ligament
The ||\\//|| external ||\\//|| covering ||\\//|| of ||\\//|| a ||\\//|| boiler ||\\//|| is ||\\//|| called ||\\//|| - ||\\//|| correct ||\\//|| answer✔✔Lagging
The ||\\//|| instrument ||\\//|| used ||\\//|| to ||\\//|| test ||\\//|| flue ||\\//|| gases ||\\//|| for ||\\//|| proper ||\\//|| combustion ||\\//|| is ||\\//|| a ||\\//|| - ||\\//|| correct ||\\//||
answer✔✔ORSAT
The ||\\//|| test ||\\//|| used ||\\//|| to ||\\//|| determine ||\\//|| the ||\\//|| amount ||\\//|| of ||\\//|| dissolved ||\\//|| oxygen ||\\//|| in ||\\//|| water ||\\//|| is ||\\//|| the ||\\//|| _________ ||\\//|| Test ||\\//|| - ||\\//||
correct ||\\//|| answer✔✔Winkler
Air ||\\//|| being ||\\//|| compressed ||\\//|| by ||\\//|| a ||\\//|| two-stage ||\\//|| aircompressor ||\\//|| can ||\\//|| be ||\\//|| cooled ||\\//|| by ||\\//|| the ||\\//|| use ||\\//|| of ||\\//|| a ||\\//|| - ||\\//||
correct ||\\//|| answer✔✔intercooler
A ||\\//|| ___________ ||\\//|| pump ||\\//|| requires ||\\//|| no ||\\//|| air ||\\//|| chamber ||\\//|| on ||\\//|| the ||\\//|| discharge ||\\//|| line. ||\\//|| - ||\\//|| correct ||\\//||
answer✔✔centrifugal
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Download Stationary Engineer's Exam Questions and Answers and more Exams Boilers and Welding in PDF only on Docsity!

1st||\//|| Class||\//|| Stationary||\//|| Engineer's||\//|| Exam||\//|| with||\//|| accurate||\//||

detailed||\//|| solutions

Absolute||\//|| zero||\//|| is||\//|| - ||\//|| correct||\//|| answer✔✔-460||\//|| F The||\//|| mechanical||\//|| equivalent||\//|| of||\//|| heat||\//|| is||\//|| - ||\//|| correct||\//|| answer✔✔ 778 ||\//|| BTUs The||\//|| failure||\//|| of||\//|| a||\//|| brick||\//|| furnace||\//|| lining||\//|| is||\//|| called||\//|| - ||\//|| correct||\//|| answer✔✔Spalling The||\//|| amount||\//|| of||\//|| heat||\//|| required||\//|| to||\//|| change||\//|| the||\//|| state||\//|| of||\//|| a||\//|| substance||\//|| is||\//|| called||\//|| - ||\//|| correct||\//|| answer✔✔Latent The||\//|| section||\//|| of||\//|| solid||\//|| plate||\//|| between||\//|| tube||\//|| holes||\//|| is||\//|| called||\//|| a||\//|| - ||\//|| correct||\//|| answer✔✔Ligament The||\//|| external||\//|| covering||\//|| of||\//|| a||\//|| boiler||\//|| is||\//|| called||\//|| - ||\//|| correct||\//|| answer✔✔Lagging The||\//|| instrument||\//|| used||\//|| to||\//|| test||\//|| flue||\//|| gases||\//|| for||\//|| proper||\//|| combustion||\//|| is||\//|| a||\//|| - ||\//|| correct||\//|| answer✔✔ORSAT The||\//|| test||\//|| used||\//|| to||\//|| determine||\//|| the||\//|| amount||\//|| of||\//|| dissolved||\//|| oxygen||\//|| in||\//|| water||\//|| is||\//|| the||\//|| _________||\//|| Test||\//|| - ||\//|| correct||\//|| answer✔✔Winkler Air||\//|| being||\//|| compressed||\//|| by||\//|| a||\//|| two-stage||\//|| aircompressor||\//|| can||\//|| be||\//|| cooled||\//|| by||\//|| the||\//|| use||\//|| of||\//|| a||\//|| - ||\//|| correct||\//|| answer✔✔intercooler A||\//|| ___________||\//|| pump||\//|| requires||\//|| no||\//|| air||\//|| chamber||\//|| on||\//|| the||\//|| discharge||\//|| line.||\//|| - ||\//|| correct||\//|| answer✔✔centrifugal

The||\//|| device||\//|| used||\//|| to||\//|| regulate||\//|| the||\//|| amount||\//|| of||\//|| refrigerant||\//|| to||\//|| the||\//|| evaporator||\//|| is||\//|| the||\//|| - ||\//|| correct||\//|| answer✔✔expansion||\//|| valve ________||\//|| Is||\//|| used||\//|| to||\//|| protect||\//|| the||\//|| compressor||\//|| of||\//|| a||\//|| refrigeration||\//|| system||\//|| from||\//|| slugs||\//|| of||\//|| liquid||\//|| refrigerant.||\//|| - ||\//|| correct||\//|| answer✔✔False||\//|| head The||\//|| temperature||\//|| of||\//|| the||\//|| water||\//|| used||\//|| for||\//|| a||\//|| hydrostatic||\//|| test||\//|| should||\//|| be||\//|| - ||\//|| correct||\//|| answer✔✔ 70 ||\//|| Degrees||\//|| or||\//|| above When||\//|| a||\//|| boiler||\//|| is||\//|| "Laid-up"||\//|| by||\//|| the||\//|| wet||\//|| method,||\//|| the||\//|| PH||\//|| of||\//|| the||\//|| water||\//|| should||\//|| be||\//|| maintained||\//|| in||\//|| the||\//|| range||\//|| of||\//|| - ||\//|| correct||\//|| answer✔✔ 10 ||\//|| to||\//|| 12 is||\//|| a||\//|| device||\//|| used||\//|| to||\//|| measure||\//|| very||\//|| high||\//|| temperature||\//|| - ||\//|| correct||\//|| answer✔✔pyrometer firetubes||\//|| are||\//|| fastened||\//|| to||\//|| the||\//|| tube||\//|| sheet||\//|| by||\//|| - ||\//|| correct||\//|| answer✔✔expanding||\//|| or||\//|| rolling The||\//|| point||\//|| at||\//|| which||\//|| the||\//|| air||\//|| becomes||\//|| saturated||\//|| is||\//|| called||\//|| the||\//|| - ||\//|| correct||\//|| answer✔✔Dew||\//|| point To||\//|| remove||\//|| oil||\//|| from||\//|| a||\//|| boiler||\//|| you||\//|| should||\//|| use||\//|| - ||\//|| correct||\//|| answer✔✔Caustic||\//|| soda One||\//|| electrical||\//|| horsepower||\//|| is||\//|| equal||\//|| to||\//|| - ||\//|| correct||\//|| answer✔✔ 746 ||\//|| watts The||\//|| deep||\//|| guttering||\//|| or||\//|| lines||\//|| of||\//|| pits||\//|| in||\//|| piping||\//|| caused||\//|| by||\//|| dissolved||\//|| gases||\//|| is||\//|| called||\//|| - ||\//|| correct||\//|| answer✔✔Grooving Smoke||\//|| can||\//|| be||\//|| detected||\//|| by||\//|| means||\//|| of||\//|| a||\//|| - ||\//|| correct||\//|| answer✔✔photoelectrical||\//|| cell

The||\//|| draft||\//|| over||\//|| a||\//|| fire||\//|| in||\//|| a||\//|| steam||\//|| boiler||\//|| is||\//|| usually||\//|| expressed||\//|| as||\//|| - ||\//|| correct||\//|| answer✔✔the||\//|| negative||\//|| pressure||\//|| in||\//|| inches||\//|| of||\//|| water Atomization||\//|| of||\//|| fuel||\//|| oil||\//|| in||\//|| a||\//|| horizontal||\//|| rotary||\//|| cup||\//|| oil||\//|| burner||\//|| is||\//|| primarily||\//|| due||\//|| to||\//|| - ||\//|| correct||\//|| answer✔✔The||\//|| rotating||\//|| cup||\//|| and||\//|| primary||\//|| air A||\//|| hydrostatic||\//|| test||\//|| of||\//|| a||\//|| boiler||\//|| should||\//|| be||\//|| conducted||\//|| at||\//|| a||\//|| test||\//|| pressure||\//|| of||\//|| - ||\//|| correct||\//|| answer✔✔ 1 ||\//|| - ||\//|| 1/2||\//|| times||\//|| the||\//|| safe||\//|| working||\//|| pressure Number||\//|| 6,||\//|| or||\//|| bunker||\//|| fuel||\//|| oil,||\//|| used||\//|| in||\//|| a||\//|| mechanical||\//|| pressure||\//|| atomizing||\//|| burner||\//|| should||\//|| be||\//|| preferably||\//|| heated||\//|| to||\//|| - ||\//|| correct||\//|| answer✔✔ 200 ||\//|| Degrees The||\//|| air||\//|| gap||\//|| on||\//|| a||\//|| A.C.||\//|| induction||\//|| motor||\//|| is||\//|| the||\//|| space||\//|| between||\//|| the||\//|| - ||\//|| correct||\//|| answer✔✔rotor||\//|| and||\//|| the||\//|| stator Hartford||\//|| loops||\//|| are||\//|| only||\//|| used||\//|| on||\//|| boilers||\//|| with||\//|| a||\//|| - ||\//|| correct||\//|| answer✔✔Gravity||\//|| return||\//|| system If||\//|| an||\//|| old||\//|| cast||\//|| iron||\//|| heating||\//|| boiler||\//|| carried||\//|| no||\//|| pressure||\//|| stamp,||\//|| what||\//|| would||\//|| be||\//|| the||\//|| highest||\//|| steam||\//|| and||\//|| not||\//|| water||\//|| pressure||\//|| you||\//|| could||\//|| legally||\//|| use||\//|| on||\//|| this||\//|| boiler||\//|| in||\//|| New||\//|| York||\//|| State?||\//|| - ||\//|| correct||\//|| answer✔✔ 15 ||\//|| PSI||\//|| Steam||\//|| and||\//|| 15 ||\//|| PSI||\//|| Water One||\//|| type||\//|| of||\//|| flame||\//|| detector||\//|| used||\//|| in||\//|| a||\//|| boiler||\//|| is||\//|| the||\//|| rectifying||\//|| phototube||\//|| type.||\//|| This||\//|| detector||\//|| operates||\//|| by||\//|| sensing||\//|| - ||\//|| correct||\//|| answer✔✔visible||\//|| light If||\//|| a||\//|| Fahrenheit||\//|| thermometer||\//|| registers||\//|| -40||\//|| degrees,||\//|| what||\//|| would||\//|| be||\//|| the||\//|| reading||\//|| on||\//|| a||\//|| Centigrade||\//|| scale.||\//|| - ||\//|| correct||\//|| answer✔✔C||\//|| =||\//|| (F-32)||\//|| /||\//|| 1. C||\//|| =||\//|| (-40||\//|| - ||\//|| 32)||\//|| /1. C||\//|| =||\//|| -40||\//|| Degrees

An||\//|| electrical||\//|| motor||\//|| draws||\//|| 50 ||\//|| amperes||\//|| at||\//|| 220 ||\//|| volts.||\//|| What||\//|| horsepower||\//|| is||\//|| delivered||\//|| at||\//|| the||\//|| pulley||\//|| of||\//|| the||\//|| motor||\//|| if||\//|| the||\//|| efficiency||\//|| is||\//|| 90%||\//|| - ||\//|| correct||\//|| answer✔✔11,000||\//|| watts||\//|| /||\//|| 746 ||\//|| watts||\//|| per||\//|| hp||\//|| =||\//|| 14.74hp 14.74||\//|| hp||\//|| x||\//|| 90%||\//|| =||\//|| 13. Hard||\//|| scale||\//|| in||\//|| a||\//|| boiler||\//|| is||\//|| produced||\//|| by||\//|| - ||\//|| correct||\//|| answer✔✔Calcium||\//|| sulfate the||\//|| chemical||\//|| symbol||\//|| for||\//|| ammonia||\//|| is||\//|| - ||\//|| correct||\//|| answer✔✔NH The||\//|| blow||\//|| down||\//|| ring||\//|| on||\//|| a||\//|| safety||\//|| valve||\//|| is||\//|| used||\//|| to||\//|| - ||\//|| correct||\//|| answer✔✔govern||\//|| the||\//|| amount||\//|| of||\//|| steam||\//|| exhausted The||\//|| initials||\//|| N.B.||\//|| stamped||\//|| on||\//|| a||\//|| boiler||\//|| would||\//|| have||\//|| to||\//|| do||\//|| with||\//|| its||\//|| - ||\//|| correct||\//|| answer✔✔ASME||\//|| Code The||\//|| only||\//|| valve||\//|| permitted||\//|| by||\//|| law||\//|| between||\//|| the||\//|| boiler||\//|| and||\//|| the||\//|| main||\//|| stop||\//|| valve||\//|| is||\//|| - ||\//|| correct||\//|| answer✔✔non-return||\//|| valve The||\//|| City||\//|| of||\//|| Buffalo||\//|| Ordinances||\//|| require||\//|| a||\//|| First||\//|| Class||\//|| Stationary||\//|| Engineer||\//|| for||\//|| a||\//|| boiler||\//|| or||\//|| battery||\//|| of||\//|| boilers||\//|| more||\//|| than||\//|| - ||\//|| correct||\//|| answer✔✔ 100 ||\//|| HP||\//|| /||\//|| 225 ||\//|| HP When||\//|| a||\//|| steam||\//|| boiler||\//|| is||\//|| to||\//|| be||\//|| laid-up||\//|| for||\//|| a||\//|| long||\//|| period||\//|| of||\//|| time,||\//|| it||\//|| is||\//|| recommended||\//|| that||\//|| the||\//|| dry||\//|| method||\//|| be||\//|| used.||\//|| In||\//|| this||\//|| method,||\//|| the||\//|| boiler||\//|| is||\//|| sealed||\//|| after||\//|| first||\//|| placing||\//|| inside||\//|| the||\//|| boiler||\//|| - ||\//|| correct||\//|| answer✔✔Trays||\//|| of||\//|| unslated||\//|| lime The||\//|| element||\//|| in||\//|| fuel||\//|| oil||\//|| that||\//|| produces||\//|| the||\//|| greatest||\//|| amount||\//|| of||\//|| heat||\//|| is||\//|| - ||\//|| correct||\//|| answer✔✔Carbon

Is||\//|| used||\//|| to||\//|| shield||\//|| the||\//|| shaft||\//|| - ||\//|| correct||\//|| answer✔✔Sleeve The||\//|| actual||\//|| part||\//|| of||\//|| the||\//|| pump||\//|| that||\//|| pumps||\//|| - ||\//|| correct||\//|| answer✔✔Impeller Pump||\//|| rotates,||\//|| but||\//|| output||\//|| decreases||\//|| - ||\//|| correct||\//|| answer✔✔slippage Prevent||\//|| pump||\//|| priming||\//|| - ||\//|| correct||\//|| answer✔✔Vacuum||\//|| breaker Special||\//|| material||\//|| used||\//|| around||\//|| the||\//|| shaft||\//|| of||\//|| a||\//|| pump||\//|| - ||\//|| correct||\//|| answer✔✔packing Used||\//|| to||\//|| prime||\//|| a||\//|| pump||\//|| - ||\//|| correct||\//|| answer✔✔Foot||\//|| valve Prevents||\//|| shaft||\//|| wear||\//|| - ||\//|| correct||\//|| answer✔✔Bearing Prevents||\//|| air||\//|| leakage||\//|| into||\//|| pump||\//|| - ||\//|| correct||\//|| answer✔✔Latern||\//|| Rings Controls||\//|| pump||\//|| output||\//|| volume||\//|| - ||\//|| correct||\//|| answer✔✔Discharge||\//|| valves Direction||\//|| of||\//|| the||\//|| pump||\//|| movement||\//|| - ||\//|| correct||\//|| answer✔✔Rotation List||\//|| the||\//|| 5 ||\//|| types||\//|| of||\//|| riveted||\//|| joints||\//|| in||\//|| order||\//|| of||\//|| least||\//|| secure||\//|| to||\//|| most||\//|| secure||\//|| - ||\//|| correct||\//|| answer✔✔Single||\//|| lap,||\//|| Double||\//|| lap,||\//|| double||\//|| butt||\//|| &||\//|| strap,||\//|| Triple||\//|| butt||\//|| &||\//|| strap,||\//|| Quadruple||\//|| butt||\//|| &||\//|| strap