IDIS 403 CH 8 EXAM QUESTIONS AND
ANSWERS GRADED A+ 2026
Gear Motor types include external gear, internal gear and _____ - ANS a. capacitor start
b. gerotor
c. piston
d. vane
b. gerotor
Well-fitted O-rings are compressed about _____ % when installed in the groove between the
inside of the cylinder barrel and the piston - ANS a. 10
b. 15
c. 20
d. 25
a. 10%
A ____ cylinder consists of two or more cylinders where the rods are not connected - ANS a.
double-rod
b. duplex
c. telescoping ram
d. tandem
@COPYRIGHT 2026/2027 ALLRIGHTS RESERVED 1
, b. duplex
A(n) ______ is a line or passage from the cam ring area of a hydraulic device that carries
hydraulic fluid leakage from the device to a low-pressure reservoir - ANS a. case drain
b. external drain line
c. outlet port
d. pilot line
a. case drain
_____ torque is the torque required to get a nonmoving load to begin moving - ANS a.
breakaway
b. mechanical
c. running
d. starting
a. breakaway
Polytetrafluorethylene is also known as _______ - ANS a. NBR
b. Teflon
c. torlon
d. viton
b. teflon
A cylinder used to raise the bed of dump truck trailer is an example of a _____ cylinder -
ANS a. double rod
b. duplex
@COPYRIGHT 2026/2027 ALLRIGHTS RESERVED 2
ANSWERS GRADED A+ 2026
Gear Motor types include external gear, internal gear and _____ - ANS a. capacitor start
b. gerotor
c. piston
d. vane
b. gerotor
Well-fitted O-rings are compressed about _____ % when installed in the groove between the
inside of the cylinder barrel and the piston - ANS a. 10
b. 15
c. 20
d. 25
a. 10%
A ____ cylinder consists of two or more cylinders where the rods are not connected - ANS a.
double-rod
b. duplex
c. telescoping ram
d. tandem
@COPYRIGHT 2026/2027 ALLRIGHTS RESERVED 1
, b. duplex
A(n) ______ is a line or passage from the cam ring area of a hydraulic device that carries
hydraulic fluid leakage from the device to a low-pressure reservoir - ANS a. case drain
b. external drain line
c. outlet port
d. pilot line
a. case drain
_____ torque is the torque required to get a nonmoving load to begin moving - ANS a.
breakaway
b. mechanical
c. running
d. starting
a. breakaway
Polytetrafluorethylene is also known as _______ - ANS a. NBR
b. Teflon
c. torlon
d. viton
b. teflon
A cylinder used to raise the bed of dump truck trailer is an example of a _____ cylinder -
ANS a. double rod
b. duplex
@COPYRIGHT 2026/2027 ALLRIGHTS RESERVED 2