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5.These items typically are not used in new designs, but are still common in high-power amplifiers:

A. Amplifier tubes

B. Electron tubes

C. Signal relays

D. Switches

Correct Answer :

B. Electron tubes


Related Questions

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This is a conical-shaped recess around a hole, often used to receive a tapered screw head:

A. Boss

B. Spotface

C. Counterbore

D. Countersink

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Architectural dimensioning standards allow for the placement of dimensions inside the floor plan. These inside dimensions locate interior __________.

A. Door openings and walls

B. Centers of cabinets

C. Windows

D. All of the above

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The primary unit of measurement for engineering drawings and design in the mechanical industries is the:

A. Millimeter

B. Centimeter

C. Meter

D. Kilometer

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When positioning this feature of perspective projection, the centerline of the cone of visual rays should be directed toward the approximate center of the object:

A. Station point

B. Vanishing point

C. Horizon

D. Ground line

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A cylinder can be created by drawing a rectangular shape then the ________ tool.

A. Revolve

B. Sweep

C. Extrude

D. None of the above

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This is the smallest diameter of a screw thread:

A. Internal thread diameter

B. Minor diameter

C. Major diameter

D. External thread diameter

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Some traditional board drafters preferred the drafting machine over the parallel straight edge because it could be used without the need for________.

A. Circle templates

B. Triangles

C. Technical pens

D. Lettering guides

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It is customary for the first sheet of a working drawing set to include ________.

A. A parts list

B. Exploded assembly

C. Assembled assembly

D. All of the above

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The Offset tool should only be used for placing ________ in an isometric drawing.

A. Circles

B. Horizontal lines

C. Vertical lines

D. None of the above

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In the section view, the areas that would have been in actual contact with the cutting plane are shown with:

A. A cutting plane line

B. Section lining

C. Visible lines

D. Lines and arrows

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Geometric primitives include shapes such as ________.

A. Boxes

B. Cylinders

C. Wedges

D. All of the above

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In order to set drawing limits for a C size architectural drawing the drafter should set the limits to ________.

A. 0, 0 and 2, 9

B. 0, 0 and 17, 11

C. 0, 0 and 18, 24

D. 0, 0 and 34, 24

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In this type of view, the cutting plane line indicates both the location of the cutting plane and the direction of sight:

A. Removed section

B. Revolved section

C. Auxiliary section

D. Partial section

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How can the drafter prevent Auto-CAD from placing or stacking another center mark on a circle when adding a diameter dimension to it?

A. Explode the dimension and then erase the center mark

B. Use the Properties dialog box to turn off the center mark of the dimension

C. It can't be done

D. Use the trim tool to take away the stacked center mark

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The architectural and construction industries use the United States National CAD standard (NCS) system on many ________ projects.

A. Residential

B. Commercial

C. Aerospace

D. Publicly funded

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The UCS icon represents the intersection of the ________.

A. X-axis

B. Y-axis

C. Z-axis

D. All of the above

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A circular arc is dimensioned in the view where you see its true shape by giving the value for its:

A. Diameter

B. Arc length

C. Radius

D. Chord length

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Architectural dimensioning is usually done in ________.

A. Even numbers

B. Feet and inches

C. Feet only

D. Inches only

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Dimensions are used on the elevation plan to describe ________.

A. Finished floor elevations

B. Roof overhangs

C. Roof pitch angles

D. All of the above

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An advantage of this type of view is that each view shows the object all the way through as if it were transparent:

A. Planar

B. Horizontal

C. Auxiliary

D. Orthographic

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A round is a rounded surface on the ________ corner of a part.

A. Inside

B. Outside

C. Radial

D. Isoplane

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If a plane is parallel to the plane of projection, it appears:

A. True size

B. As a line or edge

C. Foreshortened

D. As an oblique surface

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The building construction industry relies on sets of ________ drawings to construct homes and commercial buildings.

A. Mechanical

B. Isometric

C. Architectural working

D. All of the above

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When drawing a line using the relative coordinate system a line is created from ________.

A. 0, 0

B. The ending point of the last line

C. The beginning point of the last line

D. None of the above

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When creating an isometric drawing in Auto-CAD the drafter can utilize the Dynamic Input and Polar Coordinate system to place both vertical and horizontal lines. A line created from one point 3 inches at 180 degrees would be a ________ line.

A. Horizontal

B. Vertical

C. Inclined

D. None of the above

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Several of the tools used in traditional drafting include the following:

A. Parallel straight edge

B. 45 degree triangle

C. Circle template

D. All of the above

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In oblique projection, important shapes should be in this position relative to the viewing plane:

A. Parallel

B. Perpendicular

C. Adjacent

D. Rotated

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In this type of projection, each of the axes has different ratios of foreshortening:

A. Isometric

B. Dimetric

C. Trimetric

D. Parallel

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This is the intersection of the ground plane with the picture plane:

A. Vanishing point

B. Ground line

C. Station point

D. Horizon

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The text height for room names should be set to ________for a drawing that will be plotted to a scale of ¼ = 1'-0.

A. 4

B. 5

C. 6

D. 8