DSL 102 W9 D2 pp10

Front

Hydraulic fluid is essential for which type of machine?

Back

Hydraulic machine

Front

Which of the following best describes the role of hydraulic fluid in a hydraulic machine?
Options:
It acts as a coolant.
It is the life blood.
It stores energy.
It generates power.

Back

It is the life blood.

Front

In addition to transmitting power, what else does hydraulic fluid do?

Back

It assists in removing contaminants and heat.

Front

At what pressure is the compression of petroleum-based fluids measured in the document?

Back

1000 psi

Front

Which factor is NOT mentioned as affecting the compressibility of fluids? Options: Bulk modulus, Quantity of air, Temperature, Color of the fluid

Back

Color of the fluid

Front

What is the relationship between fluid temperature and compressibility according to the document?

Back

Higher temperature, more compressible

Front

Which of the following is NOT a function of good lubricity?
Reduce component wear,
Lower chances of galling,
Prevent moving components from seizing,
Increase the need for frequent maintenance

Back

Increase the need for frequent maintenance

Front

What does the range of viscosity depend on?

Back

Fluid operating temperature

Front

Which of the following is NOT a type of pump mentioned in the document? Vane pump, Piston pump, External-Toothed Gear Pump, Centrifugal pump

Back

Centrifugal pump

Front

What is the minimum recommended viscosity for a piston pump?

Back

10 cSt