Hydraulics Quiz #4

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1 point

Priority valves are ____________ actuated

mechanically

hydraulically

pneumatically

1 point

A rotary actuator converts force from a _________ (linear, rotary) direction into a
___________ (linear, rotary) motion.

clockwise, counterclockwise

linear, rotary

rotary, linear

1 point

Open center selector valves are connected in __________ .

parallel

series

they are not connected

1 point

Rotary, spool, and poppet valves:

Direct pressure to and from actuators

Direct fluid to and from actuators

Direct flow to and from actuators

1 point

Orifice style check valves:

Allow free flow in one direction only.

Allow free flow in both directions

Allow free flow in one direction and restricts in the other

1 point

Check valves allow flow in ______ direction(s) only.

two

one

three

1 point

Sequence valves:

Are hydraulically actuated

Are used to ensure functions occur in a specific order

Are pneumatically operated to allow flow in the opposite direction.

1 point

Closed center selector valves are connected in _________.

they are not connected

parallel

series

1 point

Actuators convert fluid pressure to ________.

Flow

Work

Pressure

10.

1 point

Hydraulic fuses:

Provide protection to our hydraulic system in case if electrical overload.

Provide the pump with lubrication in case of failure.

Block the line in case of a major leak.

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