MMET 401 CHAPTER 5 EXAM
QUESTIONS AND ANSWERS ALL
CORRECT
The main categories of hydraulic pumps are dynamic and _____ pumps
a. fixed
b. non-positive displacement
c. positive-displacement
d. variable - Answer- C
The most common method to vary the angle of a swash plate is through __________
a. internal pilot pressure
b. the speed of the prime mover
c. the rotating vanes
d. the cartridge assembly - Answer- A
A ______ is part of a vane pump and houses the vanes, rotor, and cam ring, which are
all placed between two end plates
a. cam ring
b. cartridge assembly
c. cartridge fitting
d. slotted rotor - Answer- B
Gear pumps may be external, internal, lobe or __________
a. centrifugal
b. gerotor
c. piston
d. vane - Answer- B
_____ is the highest amount of pressure at which a pump can create fluid flow
a. displacement
b. gallons per minute
c. pressure rating
d. volumetric efficiency - Answer- C
, A(n) ______ vane pump allows adjustment of the flow rate of the pump
a. axial
b. balanced
c. variable-displacement
c. variable-displacement, pressure compensated - Answer- C
A(n) _____ is an airproof and/or fluidproof joint between two members - Answer-
Positive seal
vane pump type include unbalanced, balanced, and ___________ - Answer- variable-
displacement, pressure compensated
Fixed displacement pumps are rated by fluid flow and ________
a. electrical requirements
b. housing size
c. pressure rating
d. speed - Answer- C
Hydraulic pump types include gear, vane and ________ pumps
a. centrifugal
b. gerotor
c. lobe
d. piston - Answer- D
_________ is a localized gaseous condition within a stream of fluid that occurs when
pressure is reduced to vapor pressure
a. cavitation
b. implosion
c. pseudocavitation
d. all of the above - Answer- A
A lobe pump requires _________ to drive the lobe-shaped driven gears
a. lobe gears
b. pistons
c. timing belts
d. volumetric efficiency - Answer- C
5. _____ is the volume of a hydraulic fluid moved during each revolution of the shaft of a
pump
QUESTIONS AND ANSWERS ALL
CORRECT
The main categories of hydraulic pumps are dynamic and _____ pumps
a. fixed
b. non-positive displacement
c. positive-displacement
d. variable - Answer- C
The most common method to vary the angle of a swash plate is through __________
a. internal pilot pressure
b. the speed of the prime mover
c. the rotating vanes
d. the cartridge assembly - Answer- A
A ______ is part of a vane pump and houses the vanes, rotor, and cam ring, which are
all placed between two end plates
a. cam ring
b. cartridge assembly
c. cartridge fitting
d. slotted rotor - Answer- B
Gear pumps may be external, internal, lobe or __________
a. centrifugal
b. gerotor
c. piston
d. vane - Answer- B
_____ is the highest amount of pressure at which a pump can create fluid flow
a. displacement
b. gallons per minute
c. pressure rating
d. volumetric efficiency - Answer- C
, A(n) ______ vane pump allows adjustment of the flow rate of the pump
a. axial
b. balanced
c. variable-displacement
c. variable-displacement, pressure compensated - Answer- C
A(n) _____ is an airproof and/or fluidproof joint between two members - Answer-
Positive seal
vane pump type include unbalanced, balanced, and ___________ - Answer- variable-
displacement, pressure compensated
Fixed displacement pumps are rated by fluid flow and ________
a. electrical requirements
b. housing size
c. pressure rating
d. speed - Answer- C
Hydraulic pump types include gear, vane and ________ pumps
a. centrifugal
b. gerotor
c. lobe
d. piston - Answer- D
_________ is a localized gaseous condition within a stream of fluid that occurs when
pressure is reduced to vapor pressure
a. cavitation
b. implosion
c. pseudocavitation
d. all of the above - Answer- A
A lobe pump requires _________ to drive the lobe-shaped driven gears
a. lobe gears
b. pistons
c. timing belts
d. volumetric efficiency - Answer- C
5. _____ is the volume of a hydraulic fluid moved during each revolution of the shaft of a
pump
