4TH STEAM FINAL EXAM QUESTIONS
AND ANSWERS GRADED A+ 2026
The largest heat exchanger and a steam plant is the - ANS Condenser
To prevent misting in the steam boiler, the steam drum is equipped with what? - ANS Steam
separator
What principle does a steam injector operate on? - ANS Venturi principal
A steam boiler must have two means of feed water make up if over how many square feet? -
ANS 500 ft.²
What is the name of the device that controls superheated steam? - ANS Attemperator
What is the last heating device before feed water enters the boiler? - ANS Economizer
The exhaust steam line from a turbine requires what to clean the steam? - ANS Oil separator
What prevents a boiler from collapsing when being dumped? - ANS Manual Air Vent
Carryover in a steam boiler can cause what? - ANS Water hammer
@COPYRIGHT 2026/2027 ALLRIGHTS RESERVED 1
, In a steam plant, what component uses high-pressure exhaust steam? - ANS Closed feed
water heater
What are the two main types of steam plants? - ANS Condensing and non-condensing
What does a skimmer do in the steam drum? - ANS Rids condensate of suspended particles
and oil
The two valves on a boiler blow off or what type? - ANS Angle globe and a quick opening
Using a series of flash tank is referred to as what? - ANS Cascading
A steam plant that exhaust steamed the atmosphere is called what? - ANS Non-condensing
HTHW systems operate above what temperature and pressure? - ANS 250 F / 160 psi
What is the simplest type of cooling power? - ANS Natural draft
What is the minimum size of a blow off line from a boiler over 100 ft.²? - ANS 1 inch
What is the most common type of heat exchanger? - ANS Shell and tube
What three factors affect the efficiency of cooling tower? - ANS Contact service, contact time,
relative humidity
A piping system must be registered with ABSA if over what volume? - ANS .5 cubic meters or
500L
How many pressure gauges should be used when pressure testing? - ANS two
@COPYRIGHT 2026/2027 ALLRIGHTS RESERVED 2
AND ANSWERS GRADED A+ 2026
The largest heat exchanger and a steam plant is the - ANS Condenser
To prevent misting in the steam boiler, the steam drum is equipped with what? - ANS Steam
separator
What principle does a steam injector operate on? - ANS Venturi principal
A steam boiler must have two means of feed water make up if over how many square feet? -
ANS 500 ft.²
What is the name of the device that controls superheated steam? - ANS Attemperator
What is the last heating device before feed water enters the boiler? - ANS Economizer
The exhaust steam line from a turbine requires what to clean the steam? - ANS Oil separator
What prevents a boiler from collapsing when being dumped? - ANS Manual Air Vent
Carryover in a steam boiler can cause what? - ANS Water hammer
@COPYRIGHT 2026/2027 ALLRIGHTS RESERVED 1
, In a steam plant, what component uses high-pressure exhaust steam? - ANS Closed feed
water heater
What are the two main types of steam plants? - ANS Condensing and non-condensing
What does a skimmer do in the steam drum? - ANS Rids condensate of suspended particles
and oil
The two valves on a boiler blow off or what type? - ANS Angle globe and a quick opening
Using a series of flash tank is referred to as what? - ANS Cascading
A steam plant that exhaust steamed the atmosphere is called what? - ANS Non-condensing
HTHW systems operate above what temperature and pressure? - ANS 250 F / 160 psi
What is the simplest type of cooling power? - ANS Natural draft
What is the minimum size of a blow off line from a boiler over 100 ft.²? - ANS 1 inch
What is the most common type of heat exchanger? - ANS Shell and tube
What three factors affect the efficiency of cooling tower? - ANS Contact service, contact time,
relative humidity
A piping system must be registered with ABSA if over what volume? - ANS .5 cubic meters or
500L
How many pressure gauges should be used when pressure testing? - ANS two
@COPYRIGHT 2026/2027 ALLRIGHTS RESERVED 2
