Strainers are commonly used in hydraulic systems to （）.

Among the basic categories of equipment, which of the following are used to convert the hydraulic energy into linear motion?

A.hydraulic pumps

B.valves

C.hydraulic cylinders

D.hydraulic motors

Among the basic categories of equipment, which of the following is used to convert hydraulic energy into continuous rotary motion?

A.hydraulic pumps

B.valves

C.hydraulic cylinders

D.hydraulic motors

Among the basic categories of equipment, which of the following are used to allow the hydraulic energy to be controlled?

A.hydraulic pumps

B.valves

C.hydraulic cylinders

D.hydraulic motors

Hydraulic machinery failures are commonly caused by contamination of the hydraulic fluid and ______.

A.fluid friction

B.fluid turbulence

C.component misalignment

D.pressure surges

In computing.a device driver (commonly referred to as simply a driver) is acomputer

program that operates or controls a particular type of device that is attached to a computer.A

diver provides (71) to hardware devices,enabling operating systems and other computer

programs to access hardware functions without needing to know precise details of the

hardware being used.

A.a software interface

B.a programming language

C.a function

D.an Internal Bus

______ play a very important part in hydraulic systems by preventing interaction between different parts of the hydraulic circuit.

A.Motors

B.Check valves

C.Safety valves

D.Reducing valves

After installing a new hydraulic pump in a system, what special attention should be given to the hydraulic system?

A.The relief valves in the system should be readjusted

B.The filters and strainers should be checked frequently

C.All system pressure should be readjusted

D.The system should be drained and renewed with a fluid of different operating characteristics

______ is not usually used in liquid cargo systems．

A.Hydraulic drive systems

B.Electric drive systems

C.Steam drive systems

D.Man-powered drive systems