Pt1 Vocat Review

Front 1

force =

Back 1

mass times acceleration

Front 2

a blank is a push or pull that causes change in shape or change in motion

Back 2

force

Front 3

blank is the total amount of matter in a object

Back 3

mass

Front 4

blank is the measurement of gravity times mass. (gravity on earth is 9.8meters/second2)

Back 4

weight

Front 5

blank is a force-like quantity in rotational mechanical systems.

Back 5

torque

Front 6

blank is the sum of the two forces.

Back 6

net force

Front 7

in fluid,electrical,and thermal systems there are foce-like quantities that act in the in the same way as a force does in mechanical systems this is called what?

Back 7

prime movers

Front 8

blank is found by dividing mass by volume

Back 8

density

Front 9

blank is used to measure density or specific gravity in liquids

Back 9

hydrometer

Front 10

presure is used by dividing a unit of force by a unit of?

Back 10

area

Front 11

manometers are used to measure?

Back 11

pressure difference

Front 12

two tyes of fluids are

Back 12

hydraulic and pneumatic

Front 13

gases are compressible, liquids are

Back 13

not compressible

Front 14

pressure increases with depth in a fluid but is

Back 14

independent of volume

Front 15

blank is the measured in refrence to a vacuum

Back 15

absolute pressure

Front 16

blank is the ratio of an objects weight to its volume

Back 16

weight density

Front 17

voltage comes in two currents what are they

Back 17

direct current, and alternating current

Front 18

what measures voltage difference

Back 18

voltmeters

Front 19

true or false:multimeters measure voltage,amperage,and resistance

Back 19

true

Front 20

the positive pole or electrode in a battery is the anode. the negative pole or electrode is

Back 20

cathode

Front 21

blank contains a source,conductor,and a load

Back 21

electrical circuits

Front 22

blank acts as a prime mover in thermal systems bc heat always moves from warmer region to cooler regions

Back 22

temperature difference

Front 23

heat is

Back 23

form of energy characterized by the vibrating movement of atoms and molecules

Front 24

temperature is

Back 24

measure of the average energy of motion of molecules in a substance

Front 25

blank uses three wires of two different metals to measure temperature

Back 25

thermocouples

Front 26

where is the degree symbol placed when giving temperature difference

Back 26

after the F or C

Front 27

work equals

Back 27

force times distance

Front 28

input work is

Back 28

work gouing into a system,performed by a human or a motor.

Front 29

output work is

Back 29

work done by the system

Front 30

efficiency is

Back 30

output work divided by input work,multiplied by 100

Front 31

blank is used to measure input and output foce

Back 31

spring scales

Front 32

what is the basic english unit of work

Back 32

foot-pound

Front 33

what is the basic SI unit of work

Back 33

newton-meter

Front 34

blank is used to perform when a mass is moved in a straight line

Back 34

linear mechanical work

Front 35

blank is performed when a mass is moved around an axis or roatation

Back 35

angular mechanical work

Front 36

blank work causes an object to start moving,stop moving,or change direction

Back 36

mechanical

Front 37

fluid work is

Back 37

equal to the pressure difference times the volume moved (w=dp*v)

Front 38

when giving the height a fluid is raised,you must also know the

Back 38

weight density

Front 39

in a closed fluid system such as a hydraulic brake system,the fluid is

Back 39

reused

Front 40

true or false: there is no such thing as linear or angular fluid work

Back 40

true

Front 41

true or false: the pressure exerted by a piston multiplied by the area of the piston face equals the work done by the piston

Back 41

true

Front 42

blank area of a cylinder can be found by multiplying 0.7854 by the diameter2

Back 42

cross sectional

Front 43

electrical work is

Back 43

done when a voltafe move a specified amount of electrical charge(EW=V*q)

Front 44

a coulomb is a quantity of charge equal to

Back 44

6.25*10'18

Front 45

electrical charge can by calculated by

Back 45

multiplying amperes by time, since the time units will cancel, leaving only the amount of charge

Front 46

the basic unit of electrical work is

Back 46

joule

Front 47

blank performed by an electrical pump or motor will be given in joules

Back 47

input work

Front 48

rate is

Back 48

displacement- like quantity divided by elapsed time

Front 49

velocity is

Back 49

the measure of linear mechanical work

Front 50

blank is similar to velocity,but it is scalar (no directional notation)

Back 50

speed

Front 51

what are the units for linear mechanical rate

Back 51

foot per second(english) and meter per second (SI)

Front 52

blank is expressed in radians per second or revolutions per min.

Back 52

angular rate

Front 53

how many radians are in one revolution

Back 53

6.28

Front 54

blank is used to measure angular rate

Back 54

stroboscope

Front 55

accerleration is the rate at which speed

Back 55

increases or decreases

Front 56

in fluid systems blank is the volume of fluid moved in a given period of time

Back 56

flow rate

Front 57

what are the units of fluid flow

Back 57

gallons/minute, cubic feet/second, and cubic meters per second

Front 58

blank is the quality of a substance related to its thickness

Back 58

viscosity

Front 59

true of false: under the same pressure,a larger pipe will have a higher flow rate than a smaller pipe

Back 59

true

Front 60

electrical rate is

Back 60

the amount of charge moved

Front 61

electrical current flow is symbolized by

Back 61

I

Front 62

one milliampere is equal to

Back 62

1/1000 amps