Explore topic-wise MCQs in Machine Drawing.

This section includes 19 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Drawing knowledge and support exam preparation. Choose a topic below to get started.

1.

When space is less, the dimensional value may be put outside or adjacent to it.

A. True
B. False
Answer» B. False
2.

Preferably a dimension should be placed ______ the view.

A. inside
B. outside
C. left side
D. right side
Answer» C. left side
3.

The dimensional line should be _______ to the object.

A. vertical
B. horizontal
C. parallel
D. perpendicular
Answer» D. perpendicular
4.

The line which is drawn under the two extension lines, ending with an arrow is called _____

A. leader line
B. dimension line
C. extension line
D. polyline
Answer» C. extension line
5.

THE_DIMENSIONAL_LINE_SHOULD_BE_________TO_THE_OBJECT.?$

A. vertical
B. horizontal
C. parallel
D. perpendicular
Answer» D. perpendicular
6.

When space is less, the dimensional value may be put outside or adjacent to it.$

A. True
B. False
Answer» B. False
7.

Preferably a dimension should be placed ______ the view.$

A. inside
B. outside
C. left side
D. right side
Answer» C. left side
8.

For mechanical drawings, the unit is meters while for civil engineering drawings it can be mm.

A. True
B. False
Answer» C.
9.

The dimensional values should be of ______ size.

A. potential
B. approximate
C. actual
D. preferable
Answer» D. preferable
10.

_______ are the numbers that are written on the dimension line to specify the size of the object drawn in SI or FPS units.

A. Scales
B. Prime numbers
C. Even numbers
D. Dimensional Values
Answer» E.
11.

Important point on which the arrowhead is to be drawn is ___________

A. They are drawn graphically by using scale
B. Height of arrow is kept about one third of the length of arrow
C. They should be non symmetrical about the dimension line
D. Pointed end of arrow should not touch the extension line
Answer» C. They should be non symmetrical about the dimension line
12.

The line which is drawn under the two extension lines, ending with an arrow is called ____?

A. leader line
B. dimension line
C. extension line
D. polyline
Answer» C. extension line
13.

Dimension line is drawn slightly away from the object, about _____

A. 4 to 6 mm
B. 2 to 4 mm
C. 6 to 8 mm
D. 8 to 10 mm
Answer» E.
14.

The rule followed by the leader line is ____________

A. All notes are written in horizontal direction
B. Leader line should cross with other dimension lines
C. Leader line should be very long
D. Leader line is drawn at an angle less than 30 degrees from horizontal
Answer» B. Leader line should cross with other dimension lines
15.

Leader line is pointed over an area; arrow is replaced by a dot about _____ diameter.

A. 1 mm
B. 2 mm
C. 3 mm
D. 1.5 mm
Answer» E.
16.

A leader line is drawn at an angle between _______ and not less than 30 degrees from horizontal.

A. 30 & 45 degree
B. 45 & 60 degree
C. 60 & 75 degree
D. 75 & 90 degree
Answer» C. 60 & 75 degree
17.

An extension line should ________ any line.

A. cross
B. not cross
C. pass over to
D. pass below to
Answer» C. pass over to
18.

_______ lines extend from the object towards outside.

A. Dimension
B. Extension
C. Leader
D. Arrowhead
Answer» B. Extension
19.

Elements of dimensioning are ___________

A. Extension line, Leader line, Arrowheads
B. Trim, Crop, Construction line
C. Polyline, Helix
D. Donut, Circle
Answer» B. Trim, Crop, Construction line