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Mechanical Engineering Drawing Mcqs

Q:

The command ‘pedit’ is used for _______________

A) erases a portion of line, arc, circle or a 2D poly line between two selected points B) reverses the effects of a series of previously used commands
C) breaking a poly line into individual segments D) editing of poly line properties
 
Answer & Explanation Answer: D) editing of poly line properties

Explanation: The command ‘pedit’ is used for editing of poly line properties. Command ‘U’ is used for reverses the effects of a series of previously used commands. Command ‘break’ is used for erases a portion of line, arc, circle or a 2D poly line between two selected points.

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99
Q:

The command ‘Oops’ is used to ______________

A) create one or more copies of selected objects at another location B) creates mirror image of selected objects about specified line
C) retrieves all objects erased by the last erase D) deletes the selected entities
 
Answer & Explanation Answer: C) retrieves all objects erased by the last erase

Explanation: The command ‘Oops’ is used to retrieves all objects erased by the last erase. Mirror is used to creates mirror image of selected objects about specified line. Command copy creates one or more copies of selected objects at another location.

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94
Q:

The command which is used to create a round corner between two lines is __________

A) Chamfer B) Fillet
C) Stretch D) Extend
 
Answer & Explanation Answer: B) Fillet

Explanation: Fillet is used to create a round corner between two lines. Chamfer works on two lines or a single poly line to create a beveled edge. Stretch command can either lengthen entities or shorten them and thus their shapes.

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128
Q:

The command which works on two lines or a single poly line to create a beveled edge is __________

A) Chamfer B) Fillet
C) Stretch D) Extend
 
Answer & Explanation Answer: A) Chamfer

Explanation: Chamfer works on two lines or a single poly line to create a beveled edge. Fillet is used to create a round corner between two lines. Stretch command can either lengthen entities or shorten them and thus their shapes.

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143
Q:

The commands Donut, Block, Spline, Polygon, and Arc etc belong to which tool bar?

A) Layer tool bar B) Style tool bar
C) Modify tool bar D) Draw tool bar
 
Answer & Explanation Answer: D) Draw tool bar

Explanation: The commands Erase, Copy, Mirror, Trim, Extend, Break, Join, Scale, Array etc belongs to ‘Modify tool bar’. The commands Donut, Block, Spline, Hatch, Rectangle, Ellipse, Polygon, and Arc etc belong to ‘Draw tool bar’.

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154
Q:

The commands Erase, Copy, Mirror, Trim, Extend, Break etc belongs to which tool bar?

A) Layer tool bar B) Style tool bar
C) Modify tool bar D) Draw tool bar
 
Answer & Explanation Answer: C) Modify tool bar

Explanation: The commands Erase, Copy, Mirror, Trim, Extend, Break, Join, Scale, Array etc belongs to ‘Modify tool bar’. The commands Donut, Block, Spline, Hatch, Rectangle, Ellipse, Polygon, and Arc etc belong to ‘Draw tool bar’.

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138
Q:

In which of the following welding only fusion welding takes place?

A) Seam welding B) Flash butt welding
C) Spot welding D) Arc welding
 
Answer & Explanation Answer: D) Arc welding

Explanation: Fusion welding is a process of welding by local fusion with or without the use of a filler metal. The most commonly used fusion welding processes are gas welding and arc welding. The flame temperature varies from 2600 to 3200 degrees depends on fuel gases.

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119
Q:

In _________ welding heavy current (50,000A) is passed through the joint which gets melt and welding is under external pressure.

A) Arc welding B) Gas welding
C) Forge welding D) Spot welding
 
Answer & Explanation Answer: D) Spot welding

Explanation: In this welding heavy current (50,000A) is passed through the joint which gets melt. The welding is completely under external pressure. Spot welding, seam welding and flash butt welding are examples of pressure resistance welding.

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