IDIS 403 CHAPTER 9 EXAM QUESTIONS ANSWERED CORRECTLY LATEST UPDATE 2026
A remote-controlled, pilot-operated _____ valve is a type of pilot-operated relief valve that uses one
or more external pilot valves to set the pressure(s) at which the relief valve will open - Answers a.
counterbalance
b. relief
c. sequence
d. unloading
b. relief
A(n) ____ valve is normally closed pressure control valve that prevents a hydraulic motor from
running away, or speeding out of control - Answers a. brake
b. counterbalance
c. sequence
d. unloading
a. brake
A ______ pressure control valve is a type of pressure control valve that is remote controlled and,
instead of a spring, uses pilot pressure set at a level specified by a pilot valve to bias the main spool -
Answers a. direct-acting
b. pilot-operated
c. remote-control
d. none of the above
b. pilot-operated
A(n) _____ valve is a normally closed pressure control valve that stops a vertically mounted cylinder
from running away because of the load weight - Answers a. counterbalance
b. relief
c. sequence
d. unloading
a. counterbalance
A remote-controlled _________ valve receives a pilot signal from a remote section of a hydraulic
system - Answers a. pilot
b. relief
c. sequence
d. unloading
c. sequence
A(n) ______ valve is a normally closed pressure control valve that can set maximum system pressure
and unload the pump, which operates under 100 psi, at the same time - Answers a. counterbalance
b. relief
c. sequence
d. unloading
d. unloading
A pilot-operated ____ valve is a type of pilot-operated pressure control valve that is used to control
the maximum pressure in a hydraulic system - Answers a. counterbalance
b. relief
c. sequence
d. unloading
b. relief
A(n) ____ valve is a normally closed pressure control valve that makes various operations occur in an
orderly manner, or one after another - Answers a. counterbalance
b. relief
c. sequence
A remote-controlled, pilot-operated _____ valve is a type of pilot-operated relief valve that uses one
or more external pilot valves to set the pressure(s) at which the relief valve will open - Answers a.
counterbalance
b. relief
c. sequence
d. unloading
b. relief
A(n) ____ valve is normally closed pressure control valve that prevents a hydraulic motor from
running away, or speeding out of control - Answers a. brake
b. counterbalance
c. sequence
d. unloading
a. brake
A ______ pressure control valve is a type of pressure control valve that is remote controlled and,
instead of a spring, uses pilot pressure set at a level specified by a pilot valve to bias the main spool -
Answers a. direct-acting
b. pilot-operated
c. remote-control
d. none of the above
b. pilot-operated
A(n) _____ valve is a normally closed pressure control valve that stops a vertically mounted cylinder
from running away because of the load weight - Answers a. counterbalance
b. relief
c. sequence
d. unloading
a. counterbalance
A remote-controlled _________ valve receives a pilot signal from a remote section of a hydraulic
system - Answers a. pilot
b. relief
c. sequence
d. unloading
c. sequence
A(n) ______ valve is a normally closed pressure control valve that can set maximum system pressure
and unload the pump, which operates under 100 psi, at the same time - Answers a. counterbalance
b. relief
c. sequence
d. unloading
d. unloading
A pilot-operated ____ valve is a type of pilot-operated pressure control valve that is used to control
the maximum pressure in a hydraulic system - Answers a. counterbalance
b. relief
c. sequence
d. unloading
b. relief
A(n) ____ valve is a normally closed pressure control valve that makes various operations occur in an
orderly manner, or one after another - Answers a. counterbalance
b. relief
c. sequence
