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S24 - MTE - Mechanical Manufacturing Technology

Total questions: 50

Worksheet time: 39mins

Name
Class
Date
1.

What is "A" called in the basic turning operation.

(a)  

2.

What is "B" called in the basic turning operation?

(a)  

3.

What is "C" called in the basic turning operation?

(a)  

4.

What is "D" called in the basic turning operation?

(a)  

5.

What is "E" called in the basic turning operation?

(a)  

6.

What is "F" called in the basic turning operation?

(a)  

7.

"Cutting Velocity" is denoted by:

a)

b)

c)

d)

8.

"Depth of cut" is denoted by:

a)

b)

c)

d)

9.

"Feed rate" is denoted by:

a)

b)

c)

d)

10.

The formula for cutting velocity in milling operation is given by:

铣削操作中的切削速度公式如下所示:

a)

b)

c)

d)

11.

If the given value of L is in millimeters and nr is in rotation per minute, the formula for cutting velocity in milling operation is given by:

如果给定的L值以毫米为单位,nr以每分钟转数为单位,则铣削操作中的切削速度公式如下所示:

a)

b)

c)

d)

12.

If the given value of L is in millimeters and nr is in rotation per second, the formula for cutting velocity in milling operation is given by:

如果给定的L值以毫米为单位,nr以每秒旋转为单位,则铣削操作中的切削速度公式如下所示:

a)

b)

c)

d)

13.

The formula for cutting velocity in turning operation is given by:

车削操作中的切削速度公式如下所示:

a)

b)

c)

d)

14.

If the given value of "dw" is in millimeters and "n" is in rotation per minute, the formula for cutting velocity (meter per minute) in turning operation is given by:

如果给定的“dw”值以毫米为单位,“n”以每分钟旋转为单位,则车削操作中的切削速度(米/分钟)的公式如下所示:

a)

b)

c)

d)

15.

If the given value of "L" is in millimeters and "nr" is in rotation per minute, the formula for cutting velocity (meter per minute) in milling operation is given by:

如果给定的“L”值以毫米为单位,“nr”以每分钟转数为单位,则铣削操作中的切削速度(米/分钟)公式如下:

a)

b)

c)

d)

16.

If the given value of "L" is in meters and "nr" is in rotation per second, the formula for cutting velocity (meter per minute) in milling operation is given by:

如果“L”的给定值以米为单位,“nr”以每秒旋转为单位,则铣削操作中切削速度(米/分钟)的公式如下所示:

a)

b)

c)

d)

17.

A steel cylinder with a diameter of 50 mm is being machined on a turning machine. If the spindle speed is set to 500 RPM, calculate the cutting velocity in meters per second (m/s). (Note: you have 3 minutes to calculate and answer the question).

a)

0.942

b)

1.308

c)

1.256

d)

0.942

18.

An aluminum cylinder with a diameter of 0.065 m is being machined on a turning machine. If the spindle speed is set to 5 rotations per second, calculate the cutting velocity in meters per minute (m/min). (Note: you have 3 minutes to calculate and answer the question).

a)

47.100

b)

67.824

c)

61.230

d)

73.476

19.

An aluminum cylinder with a diameter of 0.075 m is being machined on a turning machine. If the spindle speed is set to 600 rpm, calculate the cutting velocity in meters per minute (m/min). (Note: you have 3 minutes to calculate and answer the question).

一个直径为0.075米的铝圆柱体正在一台车床上加工。如果主轴速度设置为600 rpm,则以米/分钟(m/min)为单位计算切割速度。(注意:您有3分钟的时间计算并回答问题)。

a)

140.300

b)

142.300

c)

141.900

d)

141.300

20.

What are the two main types of milling machines?

a)

Circular milling machines and spiral milling machines

b)

Parallel milling machines and diagonal milling machines

c)

Horizontal milling machines and vertical milling machines

d)

Stationary milling machines and mobile milling machines

21.

What is the purpose of using a face mill cutter?

a)

To cut through metal

b)

To add texture to a workpiece

c)

To create flat surfaces on a workpiece

d)

To create round surfaces on a workpiece

22.

During cutting there is only one main motion, such as the rotational motion of the workpiece during ___________.

a)

Milling

b)

Drilling

c)

Turning

d)

Molding

23.

In _____________ operation, the workpiece rotates. (write your answer in English)

在_____________操作中,工件旋转。(用英语写下你的答案)

(a)  

24.

In cutting motion, the main motion has the highest speed and consumes the _______ power.

a)

highest

b)

lowest

c)

average

d)

no power

25.

The relative motion between the cutting tool and the workpiece is called __________.

a)

Feed rate

b)

Cutting motion

c)

Depth of cut

d)

Rake angle

26.

The relationship between the main cutting speed VC, feed speed vf, and cutting speed ve in the figure is

a)

Ve = Vc + Vf

b)

Ve = Vc - Vf

c)

Vc = Ve + Vf

d)

Vf = Ve + Ve

27.

The relative displacement between the tool and the workpiece in the feed direction during each revolution or stroke (or unit time) of the main motion is called as _________.

a)

cutting speed

b)

feed rate

c)

depth of cut

d)

machined surface

28.

A metal rod with a diameter of 108mm was machined down to 105mm. Find the depth of the cut.

a)

1 mm

b)

1.5 mm

c)

2 mm

d)

2.5 mm

29.

Find the diameter of the metal rod before machining, given that the depth of cut is 1 mm and the diameter of the metal rod after machining is 88 mm.

a)

89 mm

b)

88.5 mm

c)

90 mm

d)

90.5 mm

30.

Find the diameter of the metal rod after machining, given that the depth of cut is 2 mm and the diameter of the metal rod before machining is 100 mm.

a)

103 mm

b)

104 mm

c)

105 mm

d)

106 mm

31.

In the composition of cutting tool, what the option "A" represents?

a)

刀体

b)

前面

c)

刀头

d)

副切削刃

32.

In the composition of cutting tool, what the option "D" represents?

a)

刀体

b)

前面

c)

刀头

d)

副切削刃

33.

In the composition of cutting tool, what the option "B" represents?

a)

刀体

b)

前面

c)

刀头

d)

副切削刃

34.

In the composition of cutting tool, what the option "C" represents?

a)

刀体

b)

前面

c)

刀头

d)

副切削刃

35.

In the composition of cutting tool, what the option "E" represents?

a)

副后面

b)

主后面

c)

刀尖

d)

主切削刃

36.

In the composition of cutting tool, what the option "F" represents?

a)

副后面

b)

主后面

c)

刀尖

d)

主切削刃

37.

In the composition of cutting tool, what the option "G" represents?

a)

副后面

b)

主后面

c)

刀尖

d)

主切削刃

38.

In the composition of cutting tool, what the option "H" represents?

a)

副后面

b)

主后面

c)

刀尖

d)

主切削刃

39.

The cutting tool commonly used in figure belongs to which category of cutting tools?

a)

直头外圆车刀

b)

45°弯头外圆车刀

c)

90°弯头外圆车刀

d)

端面车刀

40.

The cutting tool commonly used in the figure belongs to which category of cutting tools?

a)

直头外圆车刀

b)

45°弯头外圆车刀

c)

90°弯头外圆车刀

d)

端面车刀

41.

The cutting tool commonly used in the figure belongs to which category of cutting tools?

a)

内孔车刀

b)

切断刀

c)

宽刃光刀

d)

端面车刀

42.

What is the name of the adjustable turning tool for machine clamps shown in the picture?

a)

刀片 (blade)

b)

销轴 (Pin shaft)

c)

楔块 (Wedge block)

d)

螺钉 (screw)

43.

What are the two main types of milling machines?

a)

Circular milling machines and spiral milling machines

b)

Parallel milling machines and diagonal milling machines

c)

Horizontal milling machines and vertical milling machines

d)

Stationary milling machines and mobile milling machines

44.

What is "A" called in the basic turning operation?

基本车削操作中的“A”是什么?

a)

已加工表面

b)

进给运动方向

c)

过渡表面

d)

待加工表面

45.

What is "B" called in the basic turning operation?

在基本车削操作中,“B”叫什么?

a)

已加工表面

b)

进给运动方向

c)

过渡表面

d)

待加工表面

46.

What is "C" called in the basic turning operation?

在基本车削操作中,“C”叫什么?

a)

已加工表面

b)

进给运动方向

c)

过渡表面

d)

待加工表面

47.

What is "D" called in the basic turning operation?

基本车削操作中的“D”是什么?

a)

已加工表面

b)

进给运动方向

c)

过渡表面

d)

待加工表面

48.

What is "E" called in the basic turning operation?

在基本车削操作中,“E”叫什么?

a)

已加工表面

b)

车刀

c)

过渡表面

d)

待加工表面

49.

What is "C" called in the basic turning operation?

a)

Cutting Speed

b)

Cooling fluid

c)

Workpiece

d)

Cutting tool

50.

In cutting motion, the main motion has the highest speed and consumes the _______ power.

a)

highest

b)

lowest

c)

average

d)

no power