TCP blue print reading.
the clutch fork is attached to the clutch fork rod by two
keys
in reality, parallel lines
never meet
plats gives bearings in terms of
north
one end of the clutch-brake assembly makes contact with the pulley shaft, and the other end makes contact with the
brake drum
which of the following is not a main component of a ventilation system? a. filter b. duct c. coil d. fan
c. coil
which electrical drawing shows the load supplied by one circuit breaker?
circuit diagram
The clutch fork moves the
clutch-brake assembly
what lever starts and stops the rotation of the work in the lathe?
clutch-brake control
an evaporator is often called a(n)
coil
Blueprints are an important form of
communication
On a lathe, the tool holder is mounted on the
compound rest
what kind of drawing of drawing shows a three-dimensional device on a two-dimensional plane?
orthograpic projection
A service entrance does NOT include. a. meters b. switches c. circuit breakers d. outlets
outlets
The metal inside the windings of a transformer is called (the)
core
A sectioned surface is showed by
crosshatching
In an assembly drawing, you almost never find
dimensions
By using an auxiliary view, the draftsman overcomes problems of
distorted appearance
Most blueprints show more than one orthographic projection of an object because
each projection can show only two dimensions at one time
the 2 kinds of operating controls systems are
electric and pneumatic
to make a soldered joint, one end of the fitting must be
enlarged
Pascal's law states that the pressure at a point acts
equally in all direction
which device listed below controls the flow of refrigerant from high pressure to low pressure? a. refrigeration line b. expansion valve c. condenser d. evaporator
expansion valve
The type of drawing that shows all the parts in a mechanism, but separated from one another, is called an _________ view.
exploded
which part provides a pivot for the rocker arm?
pivot pin
To avoid confusion, a drafter may draw the shafts in a gear train as though they were all in a single
plane
which of the following joints is easiest to make?
plastic
which electrical drawing shows how power is distributed to all the buildings?
plot plan
Structural drawings are drawings of the building's framework
plus floors and foundation
which of the following is NOT one of the components of a simple hydraulic system? actuating unit, control valve, pressure gauge, reservoir
pressure gauge
A circulating refrigeration fluid that changes back and forth from a liquid to a gas is called a
refrigerant
which of the bearings named is an anti-friction bearing?
roller bearing
If you were to cut down through a building, and draw what you expose by cutting, you would have a
section
A presentation view
shows how the building will look when completed
The general outline of separate buildings, labeled according to their operation, is called a(n)
site plan
welded joints leave the inside of the pipe
smooth
pipes that carry materials at high pressure or temperature are usually made of
stainless steel
Distances on industrial plats are measured in
feet
The numbers on a contour map indicate
feet above sea level
which of the following joints are used in large-diameter industrial piping for strength and ease of assembly?
flanged
A flow diagram shows the
flow of material through the plant
an orthographic sketch shows an object
from two or more directions
the orthographic view that shows the most important features of an object is usually labeled the __________ view.
front
what kind of reaction can occur if you make electrical contact between two different kinds of metal?
galvanic
the compressor receives refrigerant in the form of a
gas
Which of the following is NOT one of the six simple machines
gear
The main type of inlet for an exhaust duct is the
grille
a refrigerant piping drawing does NOT include the
heat exchanger
an indirect system differs from a direct system in that it requires a(n)
heat exchanger
when you need to sketch a long, straight line, you should draw it
in short sections
Revisions to a drawing are usually noted
in the upper right-hand of the sheet
a stretch-out line is used in drawing a
truncated cylinder development
the point on the sketch where parallel lines meet is called the ___________ point
vanishing
in a duct diagram what does the "15" mean in the measurement? (15x25)
width
In a galvanized pipe, the metal with the lower electrochemical potential is
zinc
how many packages are usually included in split system?
3
In most industrial applications, pneumatic pressures are _________ psi.
80-100 psi
What is the unit of electrical current?
Amperes
what kind of wiring is flexible, yet surrounded by metal sheath?
MC cable
What is the function of the accumulator in a hydraulic system?
Prevent rapid pressure changes
most belts that run in grooved pulleys are
V-belts
In a standard title block, the size of the drawing is indicated by
a code letter printed in a box
when you can't reach the point to set a rivet, you should use a
blind rivet
which of the following is easiest to compress? a. hydraulic fluid b. water c. oil d. air
air
the "sign-off" block is used to indicate
approval of the original drawing
what are the two kinds of lines used in making sketches?
straight and curved
pipe threads are
tapered
Sheet metal developments serve as
templates
if equal pressure acts on both the rod side and cap side of a piston, which side receives the greater force ?
the cap side,( more surface area)
in an isometric sketch, parts farther from the front are drawn
the same size
iron pipes are usually joined by
threading
a pictorial sketch shows
three dimensions
the two main parts of the compound rest are the
top and swivel
