Tpc 102 Reading Schematics and Symbols

Question 1

A schematic is made up of

A) capes and number.
B) pictures and charts
C) symbol and Lines
D) symbol and words

Answer 1

C) symbol and Lines

Question 2

A single-line drawing that uses simple outlines to represent components is a ____ diagram.
A) combination
B) cutaway
C) pictorial
D) schematic

Answer 2

B) cutaway

Question 3

The symbol displayed represents a

A) Gauge
B) motor
C)pump
D)voltmeter

Answer 3

A) gauge

Question 4

A well-prepared schematic begins with and returns to the
A) flow control device
B) largest component
C) operating device
D)power source

Answer 4

D) power source

Question 5

The one-way fow symbol shown below is from a(n) ____ schematic.

A) electrical
B) Fluid flow
C) HVAC
D) piping

Answer 5

A) electrical

Question 6

The term nominal means
A) diameter
B) name
C) number
D) size

Answer 6

A) diameter

Question 7

Which displayed electrical symbol represents connecting wires?
A)
B)
C)
D)

Answer 7

C)

Question 8

Which displayed electrical symbol represents a transformer?
A)
B)
C)
D)

Answer 8

D)

Question 9

Which displayed electrical symbol represents a fuse?
A)
B)
C)
D)

Answer 9

C)

Question 10

Which of the following devices is used to make or break electrical connections?

A) Resistor
B) Rheostat
C) Switch
D) Transformer

Answer 10

C) switch

Question 11

Both a fuse and circuit breaker

A) can be reset when an electrical probiem is resolved
B) create a gap by melting when there is a current overload
C) must be replaced when an electrical problem is resolved
D) open a circuit when there is a current overload

Answer 11

D) open a circuit when there is a current overload

Question 12

Which type of diagram shows how a circuit functions?
A) isometric
B) pictorial
C) schematic
D) wiring

Answer 12

B) pictorial

Question 13

Which type of diagram emphasizes connections between elements rather than flow?
A) Isometric
B) Pictorial
C) Schematic
D) wiring

Answer 13

D) wiring

Question 14

Which displayed symbol represents a flanged joint?
A)
B)
C)
D)

Answer 14

D)

Question 15

Which displayed symbol represents a screwed tee fitting?
A)
B)
C)
D)

Answer 15

C)

Question 16

Which type of projection gives a three-dimensional view of a piping system?

A) Isometric
B) Orthographic
C) Pictorial
D) Schematic

Answer 16

A) Isometric

Question 17

Which displayed symbol represents a globe valve?
A)
B)
C)
D)

Answer 17

B)

Question 18

Which kind of valve can be used to regulate the flow of fuid?
A) ball
B) Cock
C) Gate
D) Globe

Answer 18

D) globe

Question 19

The symbol shown below represents a
____ valve.

A) Flanged check
B) flanged gate
C) screwed check
D) screwed gate

Answer 19

C) screwed check

Question 20

The symbol shown below designates that the valve is ____ operated.

A) float
B) manually
C) motor
D) remotely

Answer 20

A) float

Question 21

The pump in a hydraulic system
A) directs and adjusts fluid flow
B) provides flow and pressure
C) reacts to that pressure and does the work
D) stores excess fluid

Answer 21

B) provides flow and pressure

Question 22

Another name for a ____ way valve is a multiple-position valve
A) two
B) three
C) four
D) five

Answer 22

C) four

Question 23

A composite symbol is created by combining ____ symbols into a single symbol.
A) basic
B) fragment
C) local area
D) orthographic

Answer 23

A) basic

Question 24

The symbol shown below represents a(n)
A) accumulator
B) cylinder
C) motor
D) vacuum pump

Answer 24

B) cylinder

Question 25

A schematic diagram maybe broken into local areas to A) add defect saving of compression component B) add pictorial diagrams C) make circuits easier to understand D) shown the flow of mechanical

Answer 25

C) make circuits easier to understand

Question 26

in a refrigeration subsystem of an A/C and R system, what is another term for an evaporator? A) air elimination B) heat exchanger C) liquid chiller D) vibration absorber

Answer 26

C) liquid chiller

Question 27

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

Answer 27

A) direct

Question 28

In a refrigeration system, the discharge line going from the compressor to the condenser carries A) chilled gas at high pressure B) chilled gas at low pressure C) hot gas at high pressure D) hot gas at low pressure

Answer 28

C) hot gas at high pressure

Question 29

The refrigeration accessory symbol shown below represents a(n) A)driver B) oil separator C) line filter D) refrigerant strainer

Answer 29

C) line filter

Question 30

Which of the following weld types does not require chamfering? A) brevet B) fevet C) j D) v

Answer 30

B) fevet

Question 31

Which type of weld is designated by the symbol shown below? A) bevel B) flash C) seam D) spot

Answer 31

D)spot