Hydraulics Test 1 Exam Questions And Correct
Answers Recently Updated 2026
Hydraulic systems are almost ________% efficient - ANSWER---100%
The relationship between force, area, and pressure may be expressed
using the formula? - ANSWER---F=AxP
What two items must be known to determine the "static pressure" of a
column of liquid?
A. Height of the column
B. Width of the column
C. Weight (density) of the fluid
D. Temperature of the fluid - ANSWER---A and C
Hydraulic fluid is compressible.
True or False - ANSWER---False
What is a measure of the fluids internal resistance to flow? - ANSWER---
Viscosity
, Hydraulics Test 1 Exam Questions And Correct
Answers Recently Updated 2026
Mil-H-5606 is dyed what color? - ANSWER---Red
Skydrol is dyed what color? - ANSWER---Purple
The lowest temperature at which fluid can vaporize and ignite
momentarily is called what? - ANSWER---Flash point
A hydraulic system that uses Mil-H-5606 can be flushed with what?
Stoddard slovent
Varsol
Naptha
All of the above - ANSWER---All of the above: Stoddard slovent, varsol,
naptha
Which hydraulic fluid is susceptible to water contamination? - ANSWER-
--Synthetic
Which hydraulic fluid uses buna-N or neoprene seals? - ANSWER---
Mineral base
, Hydraulics Test 1 Exam Questions And Correct
Answers Recently Updated 2026
Which type of fluid is most widely used in general aviation aircraft? -
ANSWER---Mineral base
Mechanical advantage can be achieved by having an output piston
larger than the input piston.
True or false? - ANSWER---True
The pressure exerted by a column of liquid is determined by the weight
of the fluid and what? - ANSWER---Height
Alcohol can be used to flush a hydraulic system that uses what type of
hydraulic fluid? - ANSWER---Vegetable base
How can the proper hydraulic fluid to be used in an airplane be
determined? - ANSWER---Aircraft service or maintenance manual
Which is a characteristic of petroleum base hydraulic fluid? - ANSWER--
-Flammable
What is in the reservoir used to avoid total loss of fluid if a hydraulic
line ruptures that is being supplied by the engine driven pump? -
ANSWER---Standpipe
Answers Recently Updated 2026
Hydraulic systems are almost ________% efficient - ANSWER---100%
The relationship between force, area, and pressure may be expressed
using the formula? - ANSWER---F=AxP
What two items must be known to determine the "static pressure" of a
column of liquid?
A. Height of the column
B. Width of the column
C. Weight (density) of the fluid
D. Temperature of the fluid - ANSWER---A and C
Hydraulic fluid is compressible.
True or False - ANSWER---False
What is a measure of the fluids internal resistance to flow? - ANSWER---
Viscosity
, Hydraulics Test 1 Exam Questions And Correct
Answers Recently Updated 2026
Mil-H-5606 is dyed what color? - ANSWER---Red
Skydrol is dyed what color? - ANSWER---Purple
The lowest temperature at which fluid can vaporize and ignite
momentarily is called what? - ANSWER---Flash point
A hydraulic system that uses Mil-H-5606 can be flushed with what?
Stoddard slovent
Varsol
Naptha
All of the above - ANSWER---All of the above: Stoddard slovent, varsol,
naptha
Which hydraulic fluid is susceptible to water contamination? - ANSWER-
--Synthetic
Which hydraulic fluid uses buna-N or neoprene seals? - ANSWER---
Mineral base
, Hydraulics Test 1 Exam Questions And Correct
Answers Recently Updated 2026
Which type of fluid is most widely used in general aviation aircraft? -
ANSWER---Mineral base
Mechanical advantage can be achieved by having an output piston
larger than the input piston.
True or false? - ANSWER---True
The pressure exerted by a column of liquid is determined by the weight
of the fluid and what? - ANSWER---Height
Alcohol can be used to flush a hydraulic system that uses what type of
hydraulic fluid? - ANSWER---Vegetable base
How can the proper hydraulic fluid to be used in an airplane be
determined? - ANSWER---Aircraft service or maintenance manual
Which is a characteristic of petroleum base hydraulic fluid? - ANSWER--
-Flammable
What is in the reservoir used to avoid total loss of fluid if a hydraulic
line ruptures that is being supplied by the engine driven pump? -
ANSWER---Standpipe
