Explore topic-wise MCQs in Mechanical Engineering.

This section includes 464 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Engineering knowledge and support exam preparation. Choose a topic below to get started.

101.

In a CAD system, you can draw an ellipse by specifying these:

A. The bounding lines
B. The midpoint and end points
C. The center and major and minor axes
D. The center and radius
Answer» D. The center and radius
102.

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
Answer» D. None of the above
103.

When using the descriptive geometry method to create an auxiliary view the drafter should _________.

A. Rotate the snap grid to the same angle of the inclined plane
B. Offset the right vertical line of the front view
C. Rotate the top line of the front view 45 degrees
D. Offset the top line of the front view 2 inches
Answer» B. Offset the right vertical line of the front view
104.

This line pattern is composed of three dashes, one long dash on each end with a short dash in the middle:

A. Object
B. Hidden
C. Center
D. Phantom
Answer» D. Phantom
105.

In an oblique drawing, equally spaced partial circles may be used to show this:

A. Symbolic thread pitch
B. Ellipses
C. Cavalier drawings
D. Projection points
Answer» B. Ellipses
106.

This allows the designer to conceptualize objects more easily without having to make costly illustrations, models, or prototypes:

A. Computer-aided manufacturing
B. Computer-aided design
C. Computer-aided engineering
D. Computer-aided prototyping
Answer» C. Computer-aided engineering
107.

This is used to indicate that a surface is to be machined:

A. Finish mark
B. Machining mark
C. Roughness indicator
D. Coordinate mark
Answer» B. Machining mark
108.

When creating a block the drafter needs to pay particular attention to selecting a base point because it determines the __________.

A. Scale
B. Rotation angle
C. Insertion point
D. Color
Answer» D. Color
109.

In an exploded assembly drawing it is customary for the drafter to use a ________ line to illustrate how parts fit together.

A. Phantom
B. Hidden
C. Dashed
D. Center
Answer» B. Hidden
110.

The most common geometric form used in gears today is this:

A. Involute profile
B. Convolute profile
C. Base circle
D. Spur circle
Answer» B. Convolute profile
111.

CAD programs which incorporate parametric modeling utilize a system in which the dimensions control the ________.

A. Size and shape of the model features
B. Perspective of the model
C. Shading used to render the model
D. All of the above
Answer» B. Perspective of the model
112.

This is formed where three or more surfaces intersect:

A. Oblique
B. Line
C. Edge
D. Vertex
Answer» E.
113.

When designing a home for a client, one of the most important pre-design considerations that an architect needs to address is ________.

A. How much money the client is willing to spend
B. The site on which the house is to sit
C. The nearest grocery store
D. Whether or not there is a curb and gutter system
Answer» C. The nearest grocery store
114.

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
Answer» D. Partial section
115.

The Press-Pull tool will ________ the face of a solid model in the direction it faces.

A. Taper
B. Extrude
C. Spiral
D. None of the above
Answer» C. Spiral
116.

The ________ tool on the Dimension tool bar places the length of an arch on a drawing.

A. Arc Radius
B. Arc Length
C. Radius
D. Diameter
Answer» C. Radius
117.

Using the Relative Polar Coordinate System to add a 3 inch line that is 45 degrees from the end point of the line created above the drafter would ________.

A. Type @3<45 and enter
B. Type 3 back slash and enter
C. Type 3 forward slash and enter
D. Type 3 and try to use the Dynamic Input readout to find the end point
Answer» B. Type 3 back slash and enter
118.

An engineer's scale would be used to measure lines on a drawing where the scale factor reads ________.

A. 1/4" = 1'-0"
B. 1/8" = 1'-0"
C. 1" = 100'
D. 3/4" = 1'-0"
Answer» D. 3/4" = 1'-0"
119.

These types of pipes are generally connected with bell and spigot joints or flanged joints:

A. Soil and waste
B. Water and gas
C. Water and steam
D. Gas and soil
Answer» C. Water and steam
120.

In perspective drawings this is placed between the observer and the object:

A. Vanishing point / horizon
B. Station point
C. Ground line
D. Plane of projection / picture plane
Answer» E.
121.

Once the architect has finalized the house plans with the client any changes to the design requested by the client will require a ________.

A. Change order
B. Modification slip
C. Whole new set of drawings
D. None of the above
Answer» B. Modification slip
122.

Auto-CAD refers to isometric ellipses as ________.

A. Ellipses
B. Iso-ellipses
C. Iso-circles
D. Circles
Answer» D. Circles
123.

A line drawn with a long section, short dash, and another long section is a __________.

A. Hidden feature
B. Center of a circle
C. Center axis of a hidden cylinder
D. Center of a radius
Answer» D. Center of a radius
124.

Schematic and single-line diagrams should be arranged so that signal or transmission path from input to output proceeds in this fashion:

A. Right to left and top to bottom
B. Right to left and bottom to top
C. Left to right and top to bottom
D. Left to right and bottom to top
Answer» D. Left to right and bottom to top
125.

Drawings created with commercial software are typically saved as:

A. Rapid prototypes
B. Electronic files
C. Draft drawings
D. Change orders
Answer» C. Draft drawings
126.

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

A. Boss
B. Spot-face
C. Counter-bore
D. Countersink
Answer» E.
127.

In the mechanical design process the first step is to ________.

A. Brainstorm solutions
B. Prepare rough sketches
C. Prepare a budget
D. Identify the problem
Answer» E.
128.

This is used in applications for nonferrous construction:

A. Copper tubing
B. Steel pipe
C. PVC pipe
D. Iron tubing
Answer» B. Steel pipe
129.

When using versions of Auto-CAD prior to Release 2006 it may be necessary to ________ a block in order to edit it.

A. Copy
B. Explode
C. Offset
D. None of the above
Answer» C. Offset
130.

This type of circuit is a semiconductor wafer or chip:

A. Integrated circuit
B. Transmission circuit
C. Plotted circuit
D. Conducted circuit
Answer» B. Transmission circuit
131.

On typical electronic diagrams, these items need not be shown unless they are needed for clarification:

A. Transmission diagrams
B. Operating relays
C. Closed relays
D. Terminal circles
Answer» E.
132.

Which of the following is one of the basic types of welded joints:

A. T-joint
B. Rear joint
C. Angle joint
D. Groove joint
Answer» B. Rear joint
133.

The daily workload of a ________ drafter would generally include technical drawings of machine parts.

A. Architectural
B. Civil
C. Electrical
D. Mechanical
Answer» E.
134.

The Auto-CAD command used to combine two or more primitive shapes into a single complex 3-dimensional model is ________.

A. Add
B. Union
C. Attach
D. Form
Answer» C. Attach
135.

Referring to the fractional inches to decimal inches to millimeter conversion chart on page 55 what is the equivalent mm measurement of 3/16 inch.

A. 1.906
B. 4.7625
C. 5.958
D. 14.6844
Answer» C. 5.958
136.

In working drawings, these show all necessary information not given directly on the drawing with its dimensions and notes:

A. Document strips
B. Portable documents
C. Formatting forms
D. Title and record strips
Answer» E.
137.

When setting up a mechanical drawing in Auto-CAD the drafter should set the units to ________.

A. Fractional
B. Decimal
C. Architectural
D. Metric
Answer» C. Architectural
138.

In offset sections, offsets or bends in the cutting plane are all:

A. 90 degrees
B. 180 degrees
C. Either 90 or 180 degrees
D. 30, 60 or 90 degrees
Answer» B. 180 degrees
139.

This type of projection is when projectors are parallel to each other, but are at an angle other than 90 degrees to the plane of projection:

A. Oblique projection
B. Perpendicular projection
C. Aesthetic projection
D. Angular projection
Answer» B. Perpendicular projection
140.

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

A. Millimeter
B. Centimeter
C. Meter
D. Kilometer
Answer» B. Centimeter
141.

In order to create one solid model from two or more separate solid shapes the drafter will need to position them and then ________.

A. Use Union to join them
B. Use the Join command
C. Use the Add Parts tool
D. None of the above
Answer» B. Use the Join command
142.

This process recognizes the inherent interrelationships between design and manufacturing:

A. Design for manufacture
B. Design for manufacture and assembly
C. Design for concurrent engineering
D. Design for assembly
Answer» C. Design for concurrent engineering
143.

A typical set of mechanical working drawings includes ________.

A. Exploded assembly
B. Part details
C. Parts list
D. All of the above
Answer» E.
144.

In order to convert fractional inches into decimal inches __________.

A. Look on a metric conversion chart
B. Divide the numerator (top number) by the denominator (bottom number)
C. Check the engineer's scale
D. All of the above
Answer» C. Check the engineer's scale
145.

This type of axonometric drawing has equal foreshortening along two axis directions and a different amount on the third axis:

A. Dimetric
B. Multiview
C. Isometric
D. Trimetric
Answer» B. Multiview
146.

In these drawings it is necessary to show cut surfaces and distinguish between adjacent parts:

A. Auxiliary drawings
B. Assembly sections
C. 3D assemblies
D. Parts lists
Answer» C. 3D assemblies
147.

Elevation drawings will include information about ________.

A. Roof pitch
B. Siding
C. Window style
D. All of the above
Answer» E.
148.

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
Answer» D. 0, 0 and 34, 24
149.

When lettering a CAD drawing, for clarity you should limit the number of fonts to:

A. One
B. Two
C. Three
D. Any number
Answer» C. Three
150.

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"
Answer» D. 8"