$1.)A$

allows for unrestricted fluid flow in one direction &

restricted flow in the other direction.

a$.$ Check valve

b$.$ quick exhaust valve

c$.$ flow control valve

d$.$ poppet value

$2.)$ What is the piston area in the cap end of a $2$ in $.$ diameter cylinder with a $1$ in $.$ diameter

rod?

a$.3\mathrm{.}142$

b$.2\mathrm{.}356$

c$.3\mathrm{.}424$

d$.1\mathrm{.}657$

$3.)$ Unsafe working conditions are not the chief cause of industrial accidents. T or F

$4.)$ It is acceptable to lift with your back if you are properly wearing a back support?

$T$ or $F$

$5.)$ Identify the basic symbols in a hydraulic circuit.

a$.$

b$.$

c$.$

d$.$

$6.)$ The invention of new

is usually considered to be the key that

allowed the development of the industrial revolution.

a$.$ Motors

b$.$ compressors

c$.$ prime movers

d$.$ engines

$7.)$ Blaise Pascal is credited with the basic principle that is the foundation of the fluid power

industry.

$8.)A$

$T$ or $F$

system costs more than a

system.

$9.)$ Draw a variable hydraulic motor, dual flow direction, external drain, and right$-$side shaft.

$10.)$ NFPA stands for