E/M PRINT READING COPY

Question 1

WHAT ARE THE ADVANTAGES OF ELECTRICAL PRINTS?

Answer 1

THEY MAKE IT POSSIBLE TO CONDENSE A GREAT AMOUNT OF INFORMATION TO ONE DRAWING.

Question 2

LIST 3 TYPES OF ELECTRICAL DRAWINGS?

Answer 2

ONE LINE, SCHEMATICS, AND WIRING DIAGRAMS

Question 3

WHAT IS A ONE LINE?

Answer 3

A SKETCH WHICH IS ONE LINE W/ APPROPRIATE SYMBOLS INDICATING A PARTICULAR CIRCUIT, AND THE ROUTE OF POWER FLOW WITH NO REGARD FOR AMOUNT OF WIRES OR PHASES

Question 4

WHAT IS A SCHEMATIC?

Answer 4

IT SHOWS THE SCHEME OF OPERATION OF A CIRCUIT IN MUCH GREATER DETAIL THAN THE ONE LINE AND W/ NO ATTEMPT TO ARRANGE THE SYMBOLS IN THERE PHYSICAL LOCATION.

Question 5

EXPLAIN THE 52A?

Answer 5

THE “A” MEANS THE CONTACT WILL REFLECT OR COPY THE POSITION OF THE BREAKER.

Question 6

WHAT IS UNIQUE WITH THE SEAL-IN CONTACT?

Answer 6

IT IS IN PARALLEL WITH THE START BUTTON

Question 7

REMEMBER OHMS LAW.

Answer 7

VOTLAGE (E) = AMPS(I) X RESISTANCE (R)

Question 8

WHAT 2 THINGS DOES AN ELECTRICAL DRAWING SHOW?

Answer 8

RELAYS AND COMPONENTS

Question 9

HOW ARE ELECTRICAL PRINTS SHOWN?

Answer 9

ALWAYS DE-ENERGIZED

Question 10

WHAT IS THE 43 DEVICE?

Answer 10

SELECTOR SWITCH OR TRANSFER DEVICE

Question 11

WHAT IS THE 20 DEVICE?

Answer 11

ELECTRONICALLY OPERATED VALVE

Question 12

DRAW A MOTOR/GENERATOR SYMBOL

Answer 12

Question 13

DRAW A DISCONNECT SW W/ INTERLOCKED GROUND SW SYMBOL

Answer 13

Question 14

DRAW THE ACB SYMBOLS

Answer 14

Question 15

DRAW FIXED AND VARIABLE RESISTOR SYMBOLS

Answer 15

Question 16

DRAW A GROUND SYMBOL

Answer 16

Question 17

DRAW A PUSH BUTTON MAKE/START SYMBOL

Answer 17

Question 18

DRAW A PUSH BUTTON BREAK/STOP SYMBOL

Answer 18

Question 19

DRAW A SIMPLE START/STOP CIRCUIT

Answer 19

Question 20

WHAT IS A SCHEMATIC?

Answer 20

A LINE DRAWING MADE FOR A TECHNICAL OR SCIENTIFIC PURPOSE THAT USES SYMBOLS AND CONNECTING LINES TO SHOW HOW A SYSTEM WORKS.

Question 21

WHAT MAKES UP FLUIDS?

Answer 21

ALL LIQUIDS AND GASES

Question 22

4 KINDS OF PNEUMATIC AND HYDRAULIC DIAGRAMS?

Answer 22

CUT AWAY, PICTORIAL DIAGRAMS, SCHEMATIC DIAGRAM, COMBINATION DIAGRAM.

Question 23

WHAT ARE THE 2 GENERAL KINDS OF PIPING DIAGRAMS?

Answer 23

THE ONE LINE AND DOUBLE LINE

Question 24

EXPLAIN ORTHOGRAPHIC PROJECTION

Answer 24

PERPENDICULAR VIEW, IN 2 DIMENSIONAL

Question 25

EXPLAIN ISOMETRIC PROJECTION

Answer 25

ANGULAR VIEW, 3 DIMENSIONAL

Question 26

DRAW 90 DEGREE TURNED DOWN TOWARD YOU FLANGED

Answer 26

Question 27

DRAW GATE VLV SCREWED

Answer 27

Question 28

DRAW GATE VLV SOLDERED/BRAZED

Answer 28

Question 29

DRAW GLOBE VLV SCREWED

Answer 29

Question 30

DRAW PLUG VLV FLANGED

Answer 30

Question 31

DRAW BALL VLV WELDED

Answer 31

Question 32

DRAW SPRING

Answer 32

Question 33

DRAW MANUAL PUSH/PULL LEVER

Answer 33

Question 34

DRAW SINGLE WINDING SOLENOID

Answer 34

Question 35

DRAW PUMP FIXED DISPLACEMENT UNIDIRECTIONAL

Answer 35

Question 36

DRAW MOTOR FIXED DISPLACEMENT UNIDIRECTIONAL

Answer 36

Question 37

DRAW PRESSURE GAUGE

Answer 37

Question 38

DRAW PORTS INTERNALLY BLOCKED 4/3 DCV

Answer 38

Question 39

DRAW PRESSURE RELIEF/SAFETY VLV

Answer 39

Question 40

DRAW INFINITE POSITIONING 4 WAY DCV

Answer 40

Question 41

DRAW ADJUSTABLE FLOW CONTROL VLV NON-COMPENSATED

Answer 41

Question 42

DRAW ADJUSTABLE FLOW CONTROL VLV WITH BYPASS CHECK

Answer 42

Question 43

DRAW AN ENLCOSURE

Answer 43

Question 44

DRAW GAS CHARGED ACCUMULATOR

Answer 44

Question 45

DRAW FILTER STRAINER

Answer 45

Question 46

DRAW FILTER-SEPERATOR WITH AUTO DRAIN

Answer 46

Question 47

WHERE TO FIND WHAT SYMBOLS MEAN ON A PRINT?

Answer 47

IN THE LEGEND.

Question 47

DRAW PRESSURE REDUCING VLV

Answer 47

Question 48

5 things about a schematic

Answer 48