Hydraulic and Pneumatic Power Systems
Exam Questions And Answers
Hydraulic systems have many advantages, including: - - -
correct answer ✅A. Lighter Weight
B. Ease of installation
C. Simplified inspection
D. Minimum maintenance
Hydraulic systems are almost_______% efficient. - - -
correct answer ✅100
Hydraulic fluid is considered to be_______. - - -
correct answer ✅Incompressible
The pressure exerted by a column of liquid is determined by
the_______. - - -
correct answer ✅Height of the column
Pascal's law, the basic law for transmitting hydraulic power states
that pressure in a closed system is transmitted_______ and_______
to_______ parts of the system. - - -
correct answer ✅Equally, undiminished, all
,Hydraulic and Pneumatic Power Systems
Exam Questions And Answers
Force per unit area is a measure of_______. - - -
correct answer ✅Pressure
The relationship between Force, Area, and Pressure may be
expressed using the formula_______. - - -
correct answer ✅F= A x P
In a hydraulic system the relationship between the area of the
piston, the distance it moves, and the volume of the fluid displaced
may be expressed using the formula_______. - - -
correct answer ✅V= A x D
What are the two major advantages of a hydraulic system over
mechanical systems? - - -
correct answer ✅A. Force can be easily transmitted over large
distances.
B. Large gains in mechanical advantage are possible.
A good hydraulic fluid must possess these properties: - - -
correct answer ✅A. Able to flow with minimum opposition
B. Must be incompressible
C. Have good lubricating properties
, Hydraulic and Pneumatic Power Systems
Exam Questions And Answers
D. Inhibit corrosion
E. Must not foam in operation
_______ is the internal resistance to flow of a liquid. - - -
correct answer ✅Viscosity
The_______ _______ is the temperature at which a liquid will give
off vapor in sufficient quantity to ignite momentarily. - - -
correct answer ✅Flash Point
The three types of hydraulic fluid currently being used in civilian
aircraft are: - - -
correct answer ✅A. Vegetable based
B. Petroleum based
C. Phosphate-ester based
It_______ permissible to mix different types of hydraulic fluid. - - -
correct answer ✅Is not
Vegetable base hydraulic fluid is dyed_______ for identification. - - -
correct answer ✅Blue
Exam Questions And Answers
Hydraulic systems have many advantages, including: - - -
correct answer ✅A. Lighter Weight
B. Ease of installation
C. Simplified inspection
D. Minimum maintenance
Hydraulic systems are almost_______% efficient. - - -
correct answer ✅100
Hydraulic fluid is considered to be_______. - - -
correct answer ✅Incompressible
The pressure exerted by a column of liquid is determined by
the_______. - - -
correct answer ✅Height of the column
Pascal's law, the basic law for transmitting hydraulic power states
that pressure in a closed system is transmitted_______ and_______
to_______ parts of the system. - - -
correct answer ✅Equally, undiminished, all
,Hydraulic and Pneumatic Power Systems
Exam Questions And Answers
Force per unit area is a measure of_______. - - -
correct answer ✅Pressure
The relationship between Force, Area, and Pressure may be
expressed using the formula_______. - - -
correct answer ✅F= A x P
In a hydraulic system the relationship between the area of the
piston, the distance it moves, and the volume of the fluid displaced
may be expressed using the formula_______. - - -
correct answer ✅V= A x D
What are the two major advantages of a hydraulic system over
mechanical systems? - - -
correct answer ✅A. Force can be easily transmitted over large
distances.
B. Large gains in mechanical advantage are possible.
A good hydraulic fluid must possess these properties: - - -
correct answer ✅A. Able to flow with minimum opposition
B. Must be incompressible
C. Have good lubricating properties
, Hydraulic and Pneumatic Power Systems
Exam Questions And Answers
D. Inhibit corrosion
E. Must not foam in operation
_______ is the internal resistance to flow of a liquid. - - -
correct answer ✅Viscosity
The_______ _______ is the temperature at which a liquid will give
off vapor in sufficient quantity to ignite momentarily. - - -
correct answer ✅Flash Point
The three types of hydraulic fluid currently being used in civilian
aircraft are: - - -
correct answer ✅A. Vegetable based
B. Petroleum based
C. Phosphate-ester based
It_______ permissible to mix different types of hydraulic fluid. - - -
correct answer ✅Is not
Vegetable base hydraulic fluid is dyed_______ for identification. - - -
correct answer ✅Blue
