Reading Blueprints Flashcards
In the title block displayed, what letter indicates the size of the original drawing? 
A
B
C
D
A
According to the title block displayed, when was the drawing actually drafted?
11–28–90
12 – 5–90
12 – 12–90
12 – 13–90
11–28–90 
A length of spindle shaft Is specified on a drawing at 1.5 feet. which of these actual length measurements is acceptable? 
1.05 feet.
1.40 feet.
1.49 feet.
1.60 feet.
1.49ft
What kind of line does the drafting symbol displayed represent?
Centerline
Cutting-plane line
Extension line
Hidden line
Centerline

In section drawings, slanted crosshatch lines represent
Centers of round features
Cut surfaces
Dimension lines
Hidden features
Cut surfaces
Which of the six simple machines is a “continuous lever” with equal arms?
Inclined plane
Pulley
Wedge
Wheel and axle
Pulley 
The thread specification 10-32 NC-1V indicates ______ threads per inch and an _____ thread
10; external
10; internal
32; external
32; internal
32; internal
In the specification 10–32 NC – 1B, the screw has a _______ fit and a ______handed thread
Loose; left
Loose; right
Tight; left
Tight; right
Loose; right 
According to the specifications displayed, the weld should be made on ________
The arrow side
The side opposite the arrow
Both sides
The end
The side opposite the arrow 
Sheaves are usually fitted with_____ belts
Flat
Multiple
Notched
V-shaped
V-shaped 
On a lathe, the compound rest is the base for the_____
Headstock
Saddle
Tailstock
Tool holder
Tool holder
A drawing that shows all the parts separated from one another is called a(n)
Blueprint
Exploded view
Orthographic projection
Schematic
Exploded view 
On a lathe, the top and the swivel are the two main parts of a
Clutch-brake control
Compound rest
Headstock linkage
Lathe
Compound rest
What kind of drawing compresses all the parts into a two-dimensional plane
Exploded view
Isometric drawing
Orthographic projection
Perspective sketch
Orthographic projection
A drawing may show all of the shafts of a gear train in a single plane in order to ________
Avoid confusion
Conserve space on the drawing
Save time
Show the true position of the gears
Avoid confusion
In the diagram displayed, the width of the side shown is______
10 in.
15 in.
25 in.
40 in.
15in
Which of the symbols displayed shows a cross-section of a supply duct?
A
B
C
D
C ❌
The part in a duct that directs and spreads the air is called a(n)
Diffuser
Grille
Outlet
Register
Diffuser
The parallel development displayed is for a
Cone
Cylinder
Square box
Truncated pyramid
Square box 
What kind of development is used for making a sheet metal piece with a constant taper?
Orthographic
Parallel
Radial line
Truncated cylinder 
Radial line
The symbol displayed represents______
Brick
Concrete
Fire brick
Gravel
Fire brick
Most industrial plans specify bearings in terms of______ they specify distances in ______
East; feet
East; inches
North; feet
North; inches
North; feet 
The location of machinery and equipment in a building is shown on a
Floor plan
Site plan
Presentation drawing
Structural drawings
Floor plan 
Structural drawings of a building show it’s framework, floors, and_______
Air conditioning
Foundations
Plumbing
Utilities
Foundations 
A vertical view of a building that can be used as a flow diagram is called a(n) _____ drawing
Elevation
Presentation
Site
Structural
Elevation 
Pascals law states that the pressure at a hydraulic systems point acts
Differently in different directions
Equally in all directions
In a straight line
Only toward the piston
Equally in all directions 
If equal pressure acts on both the rod side, and the cap side of a piston, which side receives more force?
Cap side
Rod side
Neither side (they are equal)
Depends on which way the piston is moving
Cap side
Rapid pressure changes in a hydraulic system can be prevented by a(n)
Accumulator
Hand pump
Pressure gauge
Pressure regulating valve
Hand pump
The drawing displayed as a symbol for a hydraulic
Cylinder
Reservoir
Solenoid
Valve
Reservoir 
The symbol displayed represents __\____ lines
Crossing
Drain
Flexible
Joined
Crossing
Threading is the usual method used to join ________ pipes.
Copper
Iron
Plastic
Stainless steel
Iron
Pipe threads are tapered in order to
Create an attractive joint
Make assembly and disassembly easier
Prevent the joint from weakening
Produce a tight joint
Produce a tight joint
Flanged joints are used for joining ______ pipes that carry fluids under pressure or at high temperatures
Cast iron
Large - diameter industrial
Small - diameter copper
Stainless steel
Large - diameter industrial
Galvanic reaction is the result of joining (a)
Metal and a nonmetal metal
Two nonmetals
Two metals of the same kind
Two different kinds of metal
Two different kinds of metal
A single line piping drawing uses _______ to show fittings, and part sizes
Colors
Orthographic projection’s
Realistic pictures
Symbols
Symbols
In a wiring diagram, the symbol displayed represents a
Controller
Fuse
Lighting panel
Power panel
Fuse
The ampere is the unit of measurement for electric
Current
Potential difference
Power
Resistance
Current 
The metal inside the windings of a transformer is called the
Copper
Core
Fuse
Load
Core
A circuit diagram of a building shows the
Distribution of electricity to all plant buildings.
Loads supplied by each circuit
Location of plant equipment, and utilities
Physical location of each circuit
Loads supplied by each circuit
A plot plan shows the
Distribution of electricity to all plant buildings .
Loads supplied by each circuit
Location of plant equipment, and utilities
Physical location of each circuit
Distribution of electricity to all plant buildings 
In an air conditioning system, the liquid that changes to a gas as it absorbs heat is called the
Condenser
Coolant
Evaporator
Refrigerant
Refrigerant
What part of a refrigeration system controls the flow of refrigerant from high pressure to low pressure
 Compressor
Condenser
Expansion valve
Refrigerant line
Expansion valve
In an air conditioning system, a heat exchanger is part of a
Condenser package
Evaporator package
Direct AC system
Indirect AC system
Indirect AC system
Pneumatic controls in an air conditioning system operate on
Electric current
High pressure air
Low pressure air
Refrigerant under pressure
Low pressure air 
A refrigerant piping drawing is usually a ________ drawing 
Component
Double line
Exploded
Single line
Single line
The main purpose of a sketch is to
Communicate an idea clearly
Eliminate verbal information
Give all necessary dimensions
Represent something realistically
Communicate an idea clearly
Objects are shown in three dimensions in a _________ sketch
Architectural
Orthographic
Pictorial
Rough 
Pictorial
In a _________ sketch, parts farther from the front are drawn, the same size
Isometric
Orthographic
Perspective,
Pictorial 
Isometric

In a _______ sketch, parts that are farther away look smaller
Accurate
Isometric
Orthographic
Perspective, 
 Perspective 
Parallel lines
Always meet
Sometimes meet
Never meet
Intersect
Never meet
