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4th Sixth > 102 > Flashcards

102 Flashcards

1
Q

A schematic is made up of

A

symbols and lines

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2
Q

Double - line drawings that show the internal details of a pneumatic system are called

A

cutaway drawings

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3
Q

In a DC circuit the electrons flow from

A

one direction only

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4
Q

Arrows are used on piping diagrams to indicate the

A

direction of flow

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5
Q

in a piping system an alternate flow pattern is indicated by a

A

supplementary diagram

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6
Q

on an electrical diagram a dashed line indicates a(n)

A

exposed wire

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7
Q

vent lines and drain lines are shown on a hydraulic schematic by

A

dashed lines

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8
Q

if a schematic carries no legend, clues about it may be found in the parts list, drawing title, and

A

Engineer notes

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9
Q

The symbol displayed represents a

A

Gauge

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10
Q

What is the last step in troubleshooting an electrical circuit when using a schematic

A

examine the actual circuit

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11
Q

which displayed electrical symbol represents connecting wires

A

c

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12
Q

Which displayed electrical symbol represents an SPDT switch

A

A

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13
Q

Which displayed electrical symbol represents a transformer

A

D

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14
Q

Which displayed electrical symbol represents a fuse

A

C

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15
Q

Which displayed electrical symbol shows NC contacts

A

D

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16
Q

An electric circuit in which the current path goes from one load to the next is called a

A

Series

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17
Q

An electric circuit that allows each load to be turned on or off independently of the others is a ___ circuit

A

Parallel

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18
Q

A wiring diagram shows how the parts of a circuit are connected

A

externally

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19
Q

Wires labeled 1 on a schematic

A

Carry power from the source

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20
Q

In the displayed diagram the “FORWARD” button is marked

A

FOR

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21
Q

The flow of material in a piping system is controlled and adjusted by

A

Valves

22
Q

Which displayed symbol represents a flanged joint

A

D

23
Q

Direction of flow in a piping system may be changed by a(n)

A

elbow

24
Q

What part of a piping system connects two pipes of different diameters

A

Reducer

25
Q

Which displayed symbol represents a screwed tee fitting?

A

C

26
Q

A valve is used to ____ in a piping system

A

control the flow

27
Q

A cock valve is used to

A

turn flow on or off

28
Q

Which displayed symbol represents a globe valve

A

B

29
Q

A check valve

A

allows flow in only one direction

30
Q

In the symbol displayed the 2 in. dimension indicated by the letter 3in x 4in x 2in

A

C

31
Q

Both hydraulic and pneumatic systems

A

are fluid power systems

32
Q

In a fluid power system a(n) ___ reacts to the pressure of the fluid and does the work

A

Actuator

33
Q

The displayed symbol represents a ___ in a ___ system

A

Receiver, Pneumatic

34
Q

The basic symbol for a valve shows its connections, flow path, and

A

functions

35
Q

Which displayed symbol represents a valve in the closed position

A

C

36
Q

The composite symbol displayed includes the symbol for a(n)

A

Electric Motor

37
Q

Which element of a hydraulic braking system directs the flow of the brake fluid

A

Valve

38
Q

If the fluid in a hydraulic or pneumatic system is used again and again it is called a(n) ____ system

A

closed

39
Q

On a hydraulic or pneumatic diagram local areas are outlines by which of the following

A

B

— - - — - - — - - —

40
Q

Which of the symbols below indicates a solenoid operated device

A

A

41
Q

In a refrigeration subsystem of an A/C and R system, what is another term for an evaporative

A

Liquid chiller

42
Q

What does the displayed symbol represent

A

Rotary compressor

43
Q

In an A/C and R system, thermostatic expansion valves and ADR valves are used on ___ control

A

Direct

44
Q

In a diagram for an electric control circuit which of the following shows wiring to be installed at the side

A

C
_ _ _ _

45
Q

What solid state device in an A/C system can amplify and switch electrical signals

A

transistor

46
Q

Fusion welding means joining two materials by ___ them together

A

Melting

47
Q

The basic method of fusion welding that uses the squeeze and heal process is ___ welding

A

Resistance

48
Q

Which of the following is a symbol for a weld with chamfering

A

B
|/

49
Q

If the part is to be welded in the field, the weld symbol includes a(n)

A

Flag

50
Q

Standard dimensions for a weld

A

may appear in a legend on the welding diagram

4th Sixth (7 decks)

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