BOILERMAKER 3 EXAM QUESTIONS
AND ANSWERS
Gate valves should not be used to _____. -
correct answer ✅throttle flow
The main advantage of using gate valves instead
of globe valves is that the gate valves ________. -
correct answer ✅have less flow restriction
Which of the following valves is a rotary action
valve? -
correct answer ✅Ball
Which of the following valves is easily adapted to multiport
construction? -
correct answer ✅Plug
A globe valve that closes against the direction
of fluid flow is said to be _____ . -
correct answer ✅Flow-to-open
One disadvantage of the globe valve is ______. -
correct answer ✅high head loss on the downstream side
,BOILERMAKER 3 EXAM QUESTIONS
AND ANSWERS
A simpler version of the globe valve is the _______. -
correct answer ✅angle valve
Which valve's discharge conditions are so favorable
that many control valves are based on it? -
correct answer ✅Angle
A needle valve may be used when an application
requires_____. -
correct answer ✅fine adjustment of flow
Safety valves are commonly installed_____ -
correct answer ✅vertically
Relief valves are normally used in liquid services. -
correct answer ✅True
A swing check valve requires a counterweight
if used_____ -
correct answer ✅in a vertical flow
, BOILERMAKER 3 EXAM QUESTIONS
AND ANSWERS
In a swing check valve, the amount that the disc is open is
determined by the_____ -
correct answer ✅volume of liquid moving through the
valve
Why are ball check valves recommended for use in lines in which
the fluid pressure changes rapidly? -
correct answer ✅Lack of noise
Which type of gear operator is used to connect
parallel shafts? -
correct answer ✅Spur-gear operator
The teeth on each gear of a bevel-gear operator
are angled to what degree so that they
will mesh with the teeth of a mating gear? -
correct answer ✅45 degrees
AND ANSWERS
Gate valves should not be used to _____. -
correct answer ✅throttle flow
The main advantage of using gate valves instead
of globe valves is that the gate valves ________. -
correct answer ✅have less flow restriction
Which of the following valves is a rotary action
valve? -
correct answer ✅Ball
Which of the following valves is easily adapted to multiport
construction? -
correct answer ✅Plug
A globe valve that closes against the direction
of fluid flow is said to be _____ . -
correct answer ✅Flow-to-open
One disadvantage of the globe valve is ______. -
correct answer ✅high head loss on the downstream side
,BOILERMAKER 3 EXAM QUESTIONS
AND ANSWERS
A simpler version of the globe valve is the _______. -
correct answer ✅angle valve
Which valve's discharge conditions are so favorable
that many control valves are based on it? -
correct answer ✅Angle
A needle valve may be used when an application
requires_____. -
correct answer ✅fine adjustment of flow
Safety valves are commonly installed_____ -
correct answer ✅vertically
Relief valves are normally used in liquid services. -
correct answer ✅True
A swing check valve requires a counterweight
if used_____ -
correct answer ✅in a vertical flow
, BOILERMAKER 3 EXAM QUESTIONS
AND ANSWERS
In a swing check valve, the amount that the disc is open is
determined by the_____ -
correct answer ✅volume of liquid moving through the
valve
Why are ball check valves recommended for use in lines in which
the fluid pressure changes rapidly? -
correct answer ✅Lack of noise
Which type of gear operator is used to connect
parallel shafts? -
correct answer ✅Spur-gear operator
The teeth on each gear of a bevel-gear operator
are angled to what degree so that they
will mesh with the teeth of a mating gear? -
correct answer ✅45 degrees
