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NCCER BOILERMAKER EXAM AND PRACTICE
EXAM NEWEST ACTUAL EXAM COMPLETE 180
QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) |ALREADY
GRADED A+||BRAND NEW!
- The majority of the boilers in the US burn
ANSWER: Coal
- In order to produce electricity, steam from a boiler is used to
drive a
ANSWER: Turbine generator
- Co-generation is a process in which
ANSWER: Waste energy is used to produce electricity
- Which of the following types of boilers produces the lowest
emissions?
ANSWER: Fluidized bed
- The type of boiler used in the paper making process to
reclaim chemicals from black liquor is called a
ANSWER: Recovery boiler
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- The type of boiler in which no combustion occurs is the
ANSWER: HRSG (Heat recovery steam generator)
- The area of the boiler where combustion occurs is known as
the
ANSWER: Furnace
- Wind boxes are assemblies used to supply air to the
ANSWER: Furnace
- The beams placed around the furnace side walls to prevent the
boiler walls from blowing out or buckling in the event of an explosion are known as
ANSWER: Buck stays
- The device used to transfer heat from the flue gases to the
boiler feed water is the
ANSWER: Economizer
- The component on a boiler that preheats the incoming
combustion air is known as the
ANSWER: Air heater
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- The pollution control device that removes ash from exhaust
gas through the use of an electrical charge is known as
ANSWER: Electrostatic precipitators
- The device used to remove NOx gases from the flue gas is a
ANSWER: SCR (Selective catalytic reduction)
- Boilermakers may perform welding duties if they
ANSWER: Obtain the certification needed
- The testing performed on boilers in which they are
pressurized with water and inspected for leaks is known as
ANSWER: Hydrostatic testing
- Advanced steam boilers can operate at temperature as high
as
ANSWER: 1150 degrees
- Supercritical boilers can operate at pressures as high as
ANSWER: 4500 psi
- Cutting metals inside a boiler presents added hazard due to
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ANSWER: Combustion residue fumes
- Grinding operations inside a boiler present an explosion
hazard due to
ANSWER: Combustible gases
- The weight of an object to be lifted should not exceed the
____ of the lifting equipment.
ANSWER: Safe working load
- The term that means asbestos insulation is easily crumbled
into fibers that become airborne is
ANSWER: Friability
- One of the places on a boiler where asbestos may be found
ANSWER: Door seals
- One way of identifying insulation that may contain asbestos
is through
ANSWER: Testing by qualified personnel
- The hazards associated with hot work performed on areas
coated with lead based paint are minimized in the workplace by