PIPEFITTER STAR UPDATED EXAM
QUESTIONS AND CORRECT ANSWERS
●● Device that controls the pressure in a low pressure steam boiler
Answer: Pressuretrol
●● Function of an evaporator
Answer: Absorb heat from the system
●● Metal which has a high iron content
Answer: ferrous
●● Why should the angle between the leg of a swing and the load never
be less than 30 degrees?
Answer: More stress loads are applied on the sling
●● What are two kinds of misalignment that must be checked for when
installing pumps?
Answer: Parallel and angular alignment
●● What is the function of a compressor?
Answer: Create flow in the system
,●● After fittings and tubes are cleaned and fluxed, they should be
assembled and soldered
Answer: As soon as possible
●● The relief valve is sized to the ________ rating of a boiler
Answer: Gross Output
●● Four types of copper tube joints
Answer: Soldered, Brazed, Flared, Compression
●● Most common hanger type
Answer: Clevis
●● Which hitch can support the most weight?
Answer: Basket Hitch
●● Minimum safe working distance for overhead power lines
Answer: 10 feet
●● Three basic hitches which can be used for lifting with a sling
Answer: Straight, Choker, Basket
, ●● Amount of heat required to bring about a change in a state in a
substance
Answer: Latent heat
●● Harmful products of incomplete combustion
Answer: Carbon Monoxide & Aldehydes
●● Regulating or throttling flow is done with
Answer: Globe
●● 4 main components in a refrigeration system
Answer: Compressor, Condenser, Evaporator, Metering device.
●● Quanting of heat involved to change a substance that can be
measured with a thermometer
Answer: Sensible heat
●● Main advantage of a fluidized bed boiler
Answer: Low SO & NOx emissions
●● Two basic types of low-water cutoffs
Answer: Float type and electric probe
QUESTIONS AND CORRECT ANSWERS
●● Device that controls the pressure in a low pressure steam boiler
Answer: Pressuretrol
●● Function of an evaporator
Answer: Absorb heat from the system
●● Metal which has a high iron content
Answer: ferrous
●● Why should the angle between the leg of a swing and the load never
be less than 30 degrees?
Answer: More stress loads are applied on the sling
●● What are two kinds of misalignment that must be checked for when
installing pumps?
Answer: Parallel and angular alignment
●● What is the function of a compressor?
Answer: Create flow in the system
,●● After fittings and tubes are cleaned and fluxed, they should be
assembled and soldered
Answer: As soon as possible
●● The relief valve is sized to the ________ rating of a boiler
Answer: Gross Output
●● Four types of copper tube joints
Answer: Soldered, Brazed, Flared, Compression
●● Most common hanger type
Answer: Clevis
●● Which hitch can support the most weight?
Answer: Basket Hitch
●● Minimum safe working distance for overhead power lines
Answer: 10 feet
●● Three basic hitches which can be used for lifting with a sling
Answer: Straight, Choker, Basket
, ●● Amount of heat required to bring about a change in a state in a
substance
Answer: Latent heat
●● Harmful products of incomplete combustion
Answer: Carbon Monoxide & Aldehydes
●● Regulating or throttling flow is done with
Answer: Globe
●● 4 main components in a refrigeration system
Answer: Compressor, Condenser, Evaporator, Metering device.
●● Quanting of heat involved to change a substance that can be
measured with a thermometer
Answer: Sensible heat
●● Main advantage of a fluidized bed boiler
Answer: Low SO & NOx emissions
●● Two basic types of low-water cutoffs
Answer: Float type and electric probe
