1. What is the primary purpose of a boiler?
o A) To heat water for domestic use
o B) To generate steam or hot water under pressure
o C) To cool industrial processes
o D) To filter water
o ANSWER : B
2. What does "MAWP" stand for?
o A) Maximum Allowable Working Pressure
o B) Minimum Acceptable Water Pressure
o C) Maximum Atmospheric Water Pressure
o D) Minimum Allowable Working Pressure
o ANSWER : A
3. What is the function of a safety valve on a boiler?
o A) To control water level
o B) To prevent excessive pressure buildup
o C) To regulate fuel flow
o D) To measure steam temperature
o ANSWER : B
4. What is the recommended blowdown frequency for most boilers?
o A) Once per year
o B) Daily or as needed based on water quality
o C) Only during annual inspection
, o D) Never necessary
o ANSWER : B
5. What is the purpose of boiler water treatment?
o A) To increase fuel efficiency only
o B) To prevent scale, corrosion, and carryover
o C) To increase water temperature
o D) To reduce steam production
o ANSWER : B
6. Which type of boiler has water tubes that are heated externally by
hot gases?
o A) Fire-tube boiler
o B) Water-tube boiler
o C) Electric boiler
o D) Cast iron boiler
o ANSWER : B
7. What is the normal operating water level in a boiler gauge glass?
o A) At the top
o B) At the bottom
o C) At the middle or as per manufacturer's specifications
o D) Water level doesn't matter
o ANSWER : C
8. What does "psi" measure?
o A) Pounds per square inch (pressure)
o B) Pressure safety indicator
o C) Power system interface
o D) Pipe size index
o ANSWER : A
9. What is the purpose of a feedwater pump?
, o A) To remove water from the boiler
o B) To supply water to the boiler
o C) To heat the water
o D) To cool the boiler
o ANSWER : B
10.What is scale in a boiler?
o A) A measuring device
o B) Mineral deposits on heating surfaces
o C) A type of boiler tube
o D) A pressure gauge
o ANSWER : B
11.What is the function of a water column?
o A) To support the boiler structure
o B) To provide a stable connection point for level controls and
gauge glass
o C) To store feedwater
o D) To filter steam
o ANSWER : B
12.What does "ASME" stand for?
o A) American Society of Mechanical Engineers
o B) Automated Steam Management Equipment
o C) Advanced Safety Monitoring Equipment
o D) American Standard Manufacturing Engineers
o ANSWER : A
13.What is boiler horsepower (BHP)?
o A) The actual horsepower of the fuel pump
o B) A unit of boiler capacity (34.5 lbs of steam per hour)
o C) The power rating of the burner motor
, o D) The pressure rating in horsepower units
o ANSWER : B
14.What is the purpose of an economizer?
o A) To reduce fuel costs by preheating feedwater
o B) To economize on water usage
o C) To reduce boiler size
o D) To automate boiler controls
o ANSWER : A
15.What is a low water cutoff device?
o A) A valve that stops water flow
o B) A safety device that shuts down the burner when water level is
too low
o C) A device to measure water hardness
o D) A manual shutoff valve
o ANSWER : B
16.What is the purpose of a steam trap?
o A) To trap excess steam
o B) To remove condensate while preventing steam loss
o C) To increase steam pressure
o D) To filter steam
o ANSWER : B
17.What is carryover in a boiler?
o A) Water or impurities carried with the steam
o B) Excess fuel in the combustion chamber
o C) Heat loss through the stack
o D) Condensate return
o ANSWER : A
18.What causes boiler priming?
o A) To heat water for domestic use
o B) To generate steam or hot water under pressure
o C) To cool industrial processes
o D) To filter water
o ANSWER : B
2. What does "MAWP" stand for?
o A) Maximum Allowable Working Pressure
o B) Minimum Acceptable Water Pressure
o C) Maximum Atmospheric Water Pressure
o D) Minimum Allowable Working Pressure
o ANSWER : A
3. What is the function of a safety valve on a boiler?
o A) To control water level
o B) To prevent excessive pressure buildup
o C) To regulate fuel flow
o D) To measure steam temperature
o ANSWER : B
4. What is the recommended blowdown frequency for most boilers?
o A) Once per year
o B) Daily or as needed based on water quality
o C) Only during annual inspection
, o D) Never necessary
o ANSWER : B
5. What is the purpose of boiler water treatment?
o A) To increase fuel efficiency only
o B) To prevent scale, corrosion, and carryover
o C) To increase water temperature
o D) To reduce steam production
o ANSWER : B
6. Which type of boiler has water tubes that are heated externally by
hot gases?
o A) Fire-tube boiler
o B) Water-tube boiler
o C) Electric boiler
o D) Cast iron boiler
o ANSWER : B
7. What is the normal operating water level in a boiler gauge glass?
o A) At the top
o B) At the bottom
o C) At the middle or as per manufacturer's specifications
o D) Water level doesn't matter
o ANSWER : C
8. What does "psi" measure?
o A) Pounds per square inch (pressure)
o B) Pressure safety indicator
o C) Power system interface
o D) Pipe size index
o ANSWER : A
9. What is the purpose of a feedwater pump?
, o A) To remove water from the boiler
o B) To supply water to the boiler
o C) To heat the water
o D) To cool the boiler
o ANSWER : B
10.What is scale in a boiler?
o A) A measuring device
o B) Mineral deposits on heating surfaces
o C) A type of boiler tube
o D) A pressure gauge
o ANSWER : B
11.What is the function of a water column?
o A) To support the boiler structure
o B) To provide a stable connection point for level controls and
gauge glass
o C) To store feedwater
o D) To filter steam
o ANSWER : B
12.What does "ASME" stand for?
o A) American Society of Mechanical Engineers
o B) Automated Steam Management Equipment
o C) Advanced Safety Monitoring Equipment
o D) American Standard Manufacturing Engineers
o ANSWER : A
13.What is boiler horsepower (BHP)?
o A) The actual horsepower of the fuel pump
o B) A unit of boiler capacity (34.5 lbs of steam per hour)
o C) The power rating of the burner motor
, o D) The pressure rating in horsepower units
o ANSWER : B
14.What is the purpose of an economizer?
o A) To reduce fuel costs by preheating feedwater
o B) To economize on water usage
o C) To reduce boiler size
o D) To automate boiler controls
o ANSWER : A
15.What is a low water cutoff device?
o A) A valve that stops water flow
o B) A safety device that shuts down the burner when water level is
too low
o C) A device to measure water hardness
o D) A manual shutoff valve
o ANSWER : B
16.What is the purpose of a steam trap?
o A) To trap excess steam
o B) To remove condensate while preventing steam loss
o C) To increase steam pressure
o D) To filter steam
o ANSWER : B
17.What is carryover in a boiler?
o A) Water or impurities carried with the steam
o B) Excess fuel in the combustion chamber
o C) Heat loss through the stack
o D) Condensate return
o ANSWER : A
18.What causes boiler priming?
