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4th Sixth > TPC 102 > Flashcards

TPC 102 Flashcards

1
Q

A schematic is made up of:

a) graphs and numbers
b) pictures and charts
c) symbols and lines
d) symbols and words

A

c) symbols and lines

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2
Q

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

a) blueprints
b) cutaway drawings
c) pictorial diagrams
d) supplementary diagrams

A

b) cutaway drawings

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3
Q

In a DC circuit the electrons flow from:

a) lower to higher voltage
b) positive to negative
c) one direction only
d) two directions continuously reversing

A

c) one direction only

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4
Q

Arrows are used on piping diagrams to indicate the:

a) direction of flow
b) placement of welds
c) pressure points
d) valve locations

A

a) direction of flow

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5
Q

In a piping system an alternate flow pattern is indicated by a :

a) set of blueprint
b) supplementary diagrams
c) symbol legend
d) written explanation

A

b) supplementary diagrams

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6
Q

On an electrical diagram a dashed line indicates a(n):

a) broken cable
b) exposed wire
c) fused connection
d) ground connection

A

b) exposed wire

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7
Q

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

a) dashed lines
b) dotted lines
c) line and arrows
d) solid lines

A

a) dotted 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) blueprints
b) cutaway drawings
c) engineer’s notes
d) supplementary diagram

A

c) engineer’s notes

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9
Q

The symbol displayed represents a:
INSERT DRAWING

a) gauge
b) motor
c) pump
d) voltmeter

A

a) gauge

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10
Q

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

a) examine the actual circuit
b) identify the system
c) state the problem
d) thank of possible problem aread

A

a) examine the actual circuit

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11
Q

Which displayed electrical symbol represents connecting wires?

a) INSERT crossing lines
b) INSERT one line hopping over other
c) INSERT crossing lines with dot at center
d) INSERT a T with a dotted line

A

c) INSERT crossing lines with dot at center

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12
Q

Which displayed electrical symbol represents an SPDT switch?

INSERT THE 4 OPTIONS

A

a) INSERT ANSWER

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13
Q

Which displayed electrical symbol represents a XFMR?

INSERT THE 4 OPTIONS

A

d) INSERT ANSWER

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14
Q

Which displayed electrical symbol represent a fuse?

INSERT THE 4 OPTIONS

A

c) INSERT ANSWER

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15
Q

Which displayed electrical symbol shows NC contacts?

INSERT THE 4 OPTIONS

A

d) INSERT ANSWER

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16
Q

An electrical circuit in which the current path goes from one lead to the next is called a ____ circuit.

a) complete
b) grounded
c) parallel
d) series

A

d) series

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17
Q

An electric circuit that allows each lead to be turned on or off independently of the others is a ____ circuit.

a) completed circuit
b) grounded
c) parallel
d) series

A

c) parallel

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18
Q

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

a) externally
b) internally
c) in parallel
d) in series

A

a) externally

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19
Q

Wires labeled “L” on a schematic

a) carry power from the source
b) carry low-voltage power
c) connect a motor controller to the motor
d) connect a motor to is load

A

a) carry power from the source (THEY ARE LEADS)

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20
Q

In the displayed diagram, the “FORWARD” button is marked

a) F
b) (F)
c) FOR
d) OL

A

c) FOR

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21
Q

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

a) bushings
b) couplings
c) joints
d) valves

A

d) valves

22
Q

Which displayed symbol represents a flanged joint?

a) INSERT CROSSING LINES
b) INSERT LINE WITH CIRCLE ON TOP
c) INSERT LINE WITH X IN THE MIDDLE
d) INSERT LINE WITH 2 SMALL PERPENDICULAR LINES

A

d) LINE WITH 2 SMALL PERPENTICULAR LINES

23
Q

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

a) bushing
b) elbow
c) joint
d) reducer

A

b) elbow

24
Q

What part of a piping system connects two pipes of a different diameter?

a) elbow
b) reducer
c) soldering joint
d) tee fitting

A

b) reducer

25
Q

Which displayed symbol represents screwed tee fitting?

A

INSERT

26
Q

A valve is used to ____ in a piping system

a) control the flow
b) increase pipe size
c) increase the temperature
d) reduce the cost

A

a) control the flow

27
Q

A cock valve is used to

a) prevent flow in one direction
b) open close a pipe
c) regulate flow
d) turn flow on or off rapidly

A

d) turn flow on or off rapidly

28
Q

Which displayed symbol represent a globe valve?

A

b) INSERT

29
Q

A check valve _____________________.

a) allows flow in only one direction
b) opens or closed a pipe like a gate
c) regulates flow
d) turns flow on or off quickly

A

a) allows flow in only one direction

30
Q

In the symbol displayed, the 2-inch dimension is indicated by the letter ___ .

INSERT

A

c) C

31
Q

Both hydraulic and pneumatic systems:

a) are fluid-based systems
b) handle gases
c) handle liquids
d) share the same basic compounds

A

a) are fluid-powered systems

32
Q

In a fluid-power system, a(n) ____ reacts to the pressure of the fluid and does the work.

a) actuator
b) compensator
c) receiver
d) reservoir

A

a) actuator

33
Q

The displayed symbol represents a ____ in a ____ system:

INSERT a PILL SHAPE

a) compressor; pneumatic
b) pump; hydraulic
c) receiver; pneumatic
d) reservoir; hydraulic

A

c) receiver; pneumatic

34
Q

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

a) functions
b) how its parts are arranged
c) material
d) size

A

a) functions

35
Q

Which displayed symbol represents a valve in the closed positions?

INSERT OPTIONS

A

c) INSERT

36
Q

This composite symbol displayed includes the symbol for a(n) :

a) Bidirectional pneumatic motor
b) unidirectional pneumatic motor
c) electrical motor
d) internal combustion engine

A

c) electrical motor

37
Q

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

a) compressor
b) pump
c) reservoir
d) valve

A

d) valve

38
Q

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

a) closed
b) cycling
c) open
d) unitary

A

a) closed

39
Q

On a hydraulic or pneumatic diagram, local areas are outlined by which of the following?

a) ___ ___ ___ ___ ___ ___ ___
b) ___ _ _ ___ _ _ ___ _ _ ___
c) ______________________
d) __ / __ / __ / __ / __ / __ / __ /

A

b) ___ _ _ ___ _ _ ___ _ _ ___ _ _ ___

40
Q

Which of the symbols below indicates a solenoid operated device?

INSERT

A

a) INSERT

41
Q

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

a) air eliminator
b) heat exchanger
c) liquid chiller
d) vibration absorber

A

c) liquid chiller

42
Q

What does the displayed symbol represent?
INSERT

a) evaporative condenser
b) rotary compressor
c) steam turbine
d) vertical receiver

A

b) rotary compressor

43
Q

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

a) direct
b) indirect
c) manual
d) sensing

A

a) direct

44
Q

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

a) __________
b) ===========
c) _ _ _ _ _ _ _
d) . . . . . . . .

A

c) _ _ _ _ _ _ _ _

45
Q

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

a) diode
b) thermistor
c) transistor
d) transducer

A

c) transistor

46
Q

“Fusion” welding means joining two materials by ____ them together.

a) bolting
b) forcing
c) hammering
d) melting

A

d) melting

47
Q

The basic method of fusion welding that uses the “squeeze and heat” process is ____.

a) arc
b) gas
c) resistance
d) thermal

A

c) resistance

48
Q

Which of the following is a symbol for a weld with (chambering) ?

INSERT

A

b)

49
Q

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

a) arrow
b) flag
c) solid circle at the bend
d) the words “weld on site”

A

b) flag

50
Q

Standard dimensions for a weld:

a) always appear on the weld symbol
b) may appear in a legend on the welding diagram
c) should be memorized before welding
d) are unimportant

A

b) may appear in a legend on the welding diagram

4th Sixth (22 decks)

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