第一章 单元测试
1、单选题：
What does a thick line represent in drawing?
选项：
A:represent visible line
B:represent invisible line
C:represent symmetrical line
D:represent hatching line
答案: 【represent visible line】
2、多选题：
The possible direction of a dimension text should towards?
选项：
A:left
B:right
C:upper
D:down
答案: 【left;upper】
3、判断题：
The “R” and “∅ ” means radius and diameter.
选项：
A:对
B:错
答案: 【对】
4、多选题：
The main contents of title block are:
选项：
A:part name
B:signature
C:class
D:student ID NO.
答案: 【part name;signature;class;student ID NO.】
5、多选题：
The elements of the dimension
选项：
A: extension line
B: dimension line
C: arrow head
D: text
答案: 【 extension line; dimension line; arrow head; text】
6、判断题：
Thin dashed dotted line to indicate axis line ,symmetrical center lines.
选项：
A:对
B:错
答案: 【对】
7、判断题：
Continuous thin irregular line to indicate part sectional boundary lines or to terminate a part view, and for short break line.
选项：
A:对
B:错
答案: 【对】
8、判断题：
Thick dashed line shown can be made surface-treatment
选项：
A:对
B:错
答案: 【对】
9、判断题：
A compass is used to draw circles and arcs
选项：
A:对
B:错
答案: 【对】
第二章 单元测试
1、单选题：
Which coordinates are related to H projection of a point?
选项：
A:x,y
B:x,z
C:y,z
D:x,y,z
答案: 【x,y】
2、单选题：
How can you represent V projection of a point?
选项：
A:a’
B:a
C:A
D:a”
答案: 【a’】
3、单选题：
Which projection accumulates as a point for a H perpendicular line?
选项：
A:V
B:W
C:H
D:no projection accumulates as a point
答案: 【H】
4、单选题：
Which projection is the true length for a frontal line?
选项：
A:H projection
B:V projection
C:W projection
D:no projection
答案: 【V projection】
5、单选题：
How many types of parallel line are there relative to projection plane?
选项：
A:1
B:2
C:3
D:4
答案: 【3】
6、多选题：
How many relationships between two lines?
选项：
A:1
B:2
C:3
D:4
答案: 【3;4】
7、判断题：
If two projections of two lines are parallel, then the two lines are parallel in space
选项：
A:对
B:错
答案: 【错】
8、判断题：
The true length projection of a line appears in a projection plane that is parallel to the line
选项：
A:对
B:错
答案: 【对】
9、判断题：
Two lines are parallel in space provided that their respective projections on two projection planes are parallel.
选项：
A:对
B:错
答案: 【对】
10、判断题：
If a line is parallel to any line in a plane, the line is parallel to the plane.
选项：
A:对
B:错
答案: 【对】
第三章 单元测试
1、单选题：
What type of intersection line can you get, when a sphere cut by a plane?
选项：
A:ellpse
B:straight line
C:circle
D:uncertain
答案: 【circle】
2、单选题：
Known to have four sets of projections of a sphere with a circular hole, the correct set is ( ) 
选项：
A:b
B:a
C:c
D:d
答案: 【c】
3、单选题：
Known solid’s main view and top view, select correct left view ( )
选项：
A:a
B:b
C:d
D:c
答案: 【a】
4、单选题：
Given the main view and top view of the solid, the correct left view is ( )
选项：
A:d
B:c
C:a
D:b
答案: 【c】
5、单选题：
According to the main and top views, select the right left view ( )
选项：
A:a
B:c
C:b
D:d
答案: 【a】
6、单选题：
Select the correct left view ( )
选项：
A:d
B:a
C:b
D:c
答案: 【c】
7、单选题：
Select the correct left view ( )
选项：
A:a
B:c
C:b
D:d
答案: 【d】
8、单选题：
Select the correct left view ( )
选项：
A:a
B:d
C:b
D:c
答案: 【b】
9、单选题：
Select the correct top view ( )
选项：
A:b
B:c
C:a
D:d
答案: 【a】
10、单选题：
Select the correct top view ( )
选项：
A:d
B:c
C:b
D:a
答案: 【b】
11、单选题：
Select the correct left view ( )
选项：
A:a
B:b
C:c
D:d
答案: 【c】
12、单选题：
Select the correct left view ( )
选项：
A:a
B:b
C:c
D:d
答案: 【d】
13、单选题：
Select the correct top view ( )
选项：
A:a
B:c
C:d
D:b
答案: 【b】
第四章 单元测试
1、单选题：
What are the regulations of three views? main view and left view : ; main view and top view: ; top and left view: .
选项：
A:same height; same witdh; same length
B:same height; same length; same width
C:same width; same length; same height
D:same length; same height; same width
答案: 【same height; same length; same width】
2、判断题：
is the dashed line necessary in isometric projection?
选项：
A:错
B:对
答案: 【错】
3、单选题：
How much is the axes angle of isometric projection
选项：
A:60°
B:120°
C:125°
D:90°
答案: 【120°】
4、判断题：
longer dimension should be outside of short ones.
选项：
A:对
B:错
答案: 【对】
5、判断题：
The overall length is necessary for a round end plate.
选项：
A:对
B:错
答案: 【错】
6、判断题：
The three types of dimension include shape dimension, location dimension and overall dimension
选项：
A:错
B:对
答案: 【对】
7、单选题：
select the correct view.
选项：
A:d
B:c
C:b
D:a
答案: 【d】
8、单选题：
Select the correct left view ( )
选项：
A:a
B:c
C:d
D:b
答案: 【c】
9、单选题：
Select the correct top view ( )
选项：
A:c
B:a
C:b
D:d
答案: 【b】
10、单选题：
Select the correct top view ( )
选项：
A:d
B:a
C:b
D:c
答案: 【b】
第五章 单元测试
1、单选题：
How much is the inclined angle of hatching for the commonly used metallic material
选项：
A:90°
B:30°
C:45°
D:60°
答案: 【45°】
2、判断题：
An object be represented as local section in the condition that both the outside and inside are complex, and its structure is not symmetry
选项：
A:对
B:错
答案: 【对】
3、判断题：
when several parallel cutting planes are used to cut, there will be a bold line at the corner of turning point.
选项：
A:错
B:对
答案: 【错】
4、判断题：
Superposition cut is represented as thick line and is put inside the original view
选项：
A:对
B:错
答案: 【错】
5、判断题：
The arrow head can be omitted when the cut structure is symmetry,
选项：
A:错
B:对
答案: 【对】
6、判断题：
The cut is represented only on the croosection, but the section is represented for all the visible outlines
选项：
A:对
B:错
答案: 【对】
7、判断题：
When a cutting plane pass through symmetric position of a rib, there should be no hatching on the area of the rib.
选项：
A:对
B:错
答案: 【对】
8、判断题：
The position of labeling the name letters for a sectional view should be above its view
选项：
A:错
B:对
答案: 【对】
9、判断题：
When a cutting plane pass through the symmetric position, the labeling location symbols can be omitted.
选项：
A:错
B:对
答案: 【对】
10、判断题：
When a inclined cutting plane is used, the inclined sectional view can be rotated at an angle of less than 45°.
选项：
A:错
B:对
答案: 【对】
第六章 单元测试
1、单选题：
What does LH mean in thread marks?
选项：
A:the length of thread
B:uncertain
C:left hand thread
D:right hand thread
答案: 【left hand thread】
2、单选题：
what does M, Tr, R mean respectively in thread marks?
选项：
A: trapezoidal thread, sealing pipe thread,metric thread
B:trapezoidal thread, ,metric thread,sealing pipe thread
C:metric thread, trapezodial thread, sealing pipe thread
D:metric thread, trapezoidal thread, sealing pipe thread
答案: 【metric thread, trapezoidal thread, sealing pipe thread】
3、单选题：
what does the 6 mean in symbol of washer GB/T 97.1-2002 6
选项：
A:minor diameter of the washer
B:nominal diameter of the washer
C:the length of the washer
D:major diameter of the washer
答案: 【nominal diameter of the washer】
4、多选题：
What is the diameter relationship between hole and bolt?
选项：
A:the hole diameter should be larger than bolt diameter
B:the hole diameter should be less than bolt diameter
C:the hole diameter should be equal to bolt diameter
D:the hole diameter should be 1.1times of bolt diameter
答案: 【the hole diameter should be larger than bolt diameter;the hole diameter should be 1.1times of bolt diameter】
5、判断题：
Whe two adjacent part are cut, the hatching direction shall be reverese.
选项：
A:对
B:错
答案: 【对】
6、单选题：
In screw joint, the end line should be drawn at the position of
选项：
A:above the contacting surface
B:same level with contacting surface
C:under contacting surface
D:any position
答案: 【above the contacting surface 】
7、多选题：
In stud joint, the length ,Bm of metal end depends on material connected.
选项：
A:Bm=1.25d or 1.5d for cast iron
B:Bm=2d for aluminum
C:Bm=d, for steel
D:Bm=0.5d for steel
答案: 【Bm=1.25d or 1.5d for cast iron;Bm=2d for aluminum;Bm=d, for steel】
8、判断题：
The addendum circle is larger than pitch circle, and the dedendum circle is the smallest one
选项：
A:对
B:错
答案: 【对】
9、判断题：
Keyway inside a wheel is normally through
选项：
A:对
B:错
答案: 【对】
10、单选题：
In the symbol of key 16X100 GB/T 1096-2003, what does 100 mean?
选项：
A:height of the key
B:width of the key
C:number of the key
D:length of the key
答案: 【length of the key】
11、单选题：
Select the correct thread connection drawing method
选项：
A:d
B:b
C:a
D:c
答案: 【c】
12、判断题：
When draw internal thread, major diameter is drawn as thin line , minor one is drawn as thick line in non circular view.
选项：
A:错
B:对
答案: 【对】
13、单选题：
In circular view, the notch of screw head should be drawn with an inclind angle of ( )
选项：
A:60°
B:90°
C:45°
D:120°
答案: 【45°】
14、多选题：
In stud joint, the length ,Bm of metal end depends on material connected.
选项：
A:Bm=2d for aluminum
B:Bm=0.5d for steel
C:Bm=1.25d or 1.5d for cast iron
D:Bm=d, for steel
答案: 【Bm=2d for aluminum;Bm=1.25d or 1.5d for cast iron;Bm=d, for steel】
15、多选题：
In stud joint, the length ,Bm of metal end depends on material connected.
选项：
A:Bm=2d for aluminum
B:Bm=d, for steel
C:Bm=1.25d or 1.5d for cast iron
D:Bm=0.5d for steel
答案: 【Bm=2d for aluminum;Bm=d, for steel;Bm=1.25d or 1.5d for cast iron】
16、多选题：
In stud joint, the length ,Bm of metal end depends on material connected.
选项：
A:Bm=0.5d for steel
B:Bm=d, for steel
C:Bm=1.25d or 1.5d for cast iron
D:Bm=2d for aluminum
答案: 【Bm=d, for steel;Bm=1.25d or 1.5d for cast iron;Bm=2d for aluminum】
第七章 单元测试
1、单选题：
What is the unit in Ra6.3?
选项：
A:uncertain
B:mm
C:m
D:um
答案: 【um】
2、单选题：
What is the most commonly used evaluation parameter of surface roughness
选项：
A:Ra
B:Rz
C:Yn
D:Ry
答案: 【Ra】
3、单选题：
How much is the upper deviation of h6
选项：
A:3
B:1
C:2
D:0
答案: 【0】
4、单选题：
What is the fit of H7/f6?
选项：
A:clearance fit
B:uncertain
C:transition fit
D:interferance fit
答案: 【clearance fit】
5、单选题：
In hole based system of fit, what is the basic devitaion symmbol of the hole
选项：
A:H/h
B:h
C:any letter
D:H
答案: 【H】
6、单选题：
What principle does one should follow in set position of a part?
选项：
A:working position
B:machining position and working position
C:machining position
D:uncertain
答案: 【machining position and working position】
7、判断题：
The dimension chain should be closed
选项：
A:对
B:错
答案: 【错】
8、判断题：
When represent a shaft, the non-circular view should be chosen as main view
选项：
A:对
B:错
答案: 【对】
9、判断题：
The upper deviation is : maximum size-basic size and the lower deviation is : minimum size-basic size
选项：
A:错
B:对
答案: 【对】
10、判断题：
we can find the material from title block
选项：
A:对
B:错
答案: 【对】
第八章 单元测试
1、多选题：
The contents of assembly drawings
选项：
A:necessary dimensions
B:a group of views
C:decoration etc
D:technical requirement
答案: 【necessary dimensions;a group of views;technical requirement】
2、多选题：
Necessary dimensions include:
选项：
A:mounting dimension
B:other important
C:assembly dimension
D:characteristic dimension
E:overall dimension
答案: 【mounting dimension;other important;assembly dimension;characteristic dimension
;overall dimension】
3、多选题：
A group of views:
选项：
A:assembly relationshape among parts
B:motion transmitting and operation principle
C:basic structure of each part
D:decoration etc
答案: 【assembly relationshape among parts;motion transmitting and operation principle;basic structure of each part】
4、判断题：
Inside the block,you should sign your name and object name
选项：
A:对
B:错
答案: 【对】
5、多选题：
Overall dimensions show the ( ) of the composite solid
选项：
A:overall length
B:width
C:height
D:diameter
答案: 【overall length;width ;height】
6、判断题：
Technical requirements on a detail drawing include surface texture, dimension tolerance, geometrical tolerance, heat treatment and surface treatment, machining and inspection, and other special requirements
选项：
A:对
B:错
答案: 【对】
7、判断题：
When two part’s surface contacting, there had better be only one pair of contact surfaces in the same direction
选项：
A:错
B:对
答案: 【对】
8、多选题：
The contents of assembly drawings
选项：
A:a group of views
B:technical requirement
C:necessary dimensions
D:decoration etc
答案: 【a group of views;technical requirement;necessary dimensions】
9、多选题：
Necessary dimensions include:
选项：
A:assembly dimension
B:mounting dimension
C:overall dimension
D:characteristic dimension
E:other important
答案: 【assembly dimension;mounting dimension;overall dimension;characteristic dimension
;other important】
10、多选题：
A group of views:
选项：
A:assembly relationshape among parts
B:basic structure of each part
C:motion transmitting and operation principle
D:decoration etc
答案: 【assembly relationshape among parts;basic structure of each part;motion transmitting and operation principle】
11、多选题：
Overall dimensions show the ( ) of the composite solid
选项：
A:height
B:diameter
C:width
D:overall length
答案: 【height;width ;overall length】
12、多选题：
Necessary dimensions include:
选项：
A:characteristic dimension
B:mounting dimension
C:overall dimension
D:assembly dimension
E:other important
答案: 【characteristic dimension
;mounting dimension;overall dimension;assembly dimension;other important】
13、多选题：
A group of views:
选项：
A:basic structure of each part
B:assembly relationshape among parts
C:motion transmitting and operation principle
D:decoration etc
答案: 【basic structure of each part;assembly relationshape among parts;motion transmitting and operation principle】
14、多选题：
The contents of assembly drawings
选项：
A:technical requirement
B:decoration etc
C:a group of views
D:necessary dimensions
答案: 【technical requirement;a group of views;necessary dimensions】
15、多选题：
Necessary dimensions include:
选项：
A:mounting dimension
B:assembly dimension
C:characteristic dimension
D:overall dimension
E:other important
答案: 【mounting dimension;assembly dimension;characteristic dimension
;overall dimension;other important】
16、多选题：
Overall dimensions show the ( ) of the composite solid
选项：
A:overall length
B:diameter
C:height
D:width
答案: 【overall length;height;width 】
17、多选题：
The contents of assembly drawings
选项：
A:a group of views
B:decoration etc
C:necessary dimensions
D:technical requirement
答案: 【a group of views;necessary dimensions;technical requirement】
18、多选题：
Necessary dimensions include:
选项：
A:other important
B:characteristic dimension
C:assembly dimension
D:overall dimension
E:mounting dimension
答案: 【other important;characteristic dimension
;assembly dimension;overall dimension;mounting dimension】
19、多选题：
A group of views:
选项：
A:motion transmitting and operation principle
B:basic structure of each part
C:decoration etc
D:assembly relationshape among parts
答案: 【motion transmitting and operation principle;basic structure of each part;assembly relationshape among parts】
20、多选题：
Overall dimensions show the ( ) of the composite solid
选项：
A:height
B:diameter
C:overall length
D:width
答案: 【height;overall length;width 】
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