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Manufacturing and CNC Programming T1 Q1

Total questions: 35

Worksheet time: 45mins

Name
Class
Date
1.

Use the drawing shown to answer the question. What is the greatest permissible diameter:

a)

77.2

b)

76.8

c)

77

d)

77.4

2.

Use the drawing shown to answer the question. What is the minimum permissible diameter:

a)

77.2

b)

76.8

c)

77

d)

76.6

3.

Use the drawing shown to answer the question What is the smallest diameter shown on the drawing?

a)

20

b)

14

c)

30

d)

40

4.

Use the drawing shown to answer the question What is the largest diameter shown on the drawing ?

a)

20

b)

60

c)

30

d)

40

5.

Use the drawing shown to answer the question For M20 X 1.5 , the pitch and the diameter are :

a)

the pitch = 1.5 and the diameter = 20

b)

the pitch = 20 and the diameter = 1.5

c)

the pitch = 18.5 and the diameter = 20

d)

the pitch = 21.5 and the diameter = 20

6.

Find out the reading of the measuring devices shown

a)

A= 8.0 / B=24.0 / C=31.5 / D=40.5

b)

A= 8.0 / B=24.0 / C=31.7 / D=40.5

c)

A= 8.0 / B=24.0 / C=31.7 / D=40.4

d)

A= 0.8 / B=20.4 / C=30.15 / D=40.5

7.

Find out the reading of the measuring devices shown

a)

7.3

b)

5.30

c)

5.23

d)

7.8

8.

Find out the reading of the measuring devices shown

a)

6.67

b)

5.17

c)

5.25

d)

6.17

9.

Find out the reading of the measuring devices shown

a)

13.14

b)

5.14

c)

1.14

d)

0.12

10.

Find out the reading of the measuring devices shown

a)

28.45

b)

20.45

c)

2.45

d)

0.245

11.

Before operating any machine, be sure that ......................................are in place

a)

safety devices

b)

lubricating oil

c)

machine covers

d)

cleaning tools

12.

Never use a …………………………… near the moving parts.

a)

rag

b)

tool

c)

light

d)

tag

13.

Never clean metal chips by a piece of cloth, use a …………………………

a)

brush

b)

rag

c)

wrench

d)

metal rod

14.

The ……………………………………. angle is the angle responsible for chip removal in lathe cutting tools.

a)

Rake

b)

clearance

c)

wedge

d)

engineering

15.

In cutting tools, the ……………………………….. angle is the angle required to make cutting easier and minimize the friction and heat generation.

a)

clearance

b)

rake

c)

wedge

d)

engineering

16.

The ………………………………….….. provides lubrication and cooling for the cutting tool, the chip and the work piece.

a)

cutting fluid

b)

air pressure

c)

carriage

d)

tailstock

17.

…………………….. is the distance the cutting tool advances along the length of the work for every revolution of the spindle.

a)

feed

b)

spindle speed

c)

depth of cut

d)

cutting speed

18.

……………..………… is the degree of roughness of the machined surface.

a)

surface finish

b)

depth of cut

c)

clearance

d)

allowance

19.

for the machine shown the part number (1) is:

a)

Headstock

b)

Safety guard

c)

Tool post

d)

Compound slide

20.

for the machine shown the part number (2) is:

a)

Headstock

b)

Safety guard

c)

Tool post

d)

Compound slide

21.

for the machine shown the part number (3) is:

a)

Headstock

b)

Safety guard

c)

Tool post

d)

Compound slide

22.

for the machine shown the part number (4) is:

a)

Headstock

b)

Safety guard

c)

Tool post

d)

Compound slide

23.

for the machine shown the part number (5) is:

a)

Tailstock

b)

Bed

c)

Lead screw

d)

Power feed lever

24.

for the machine shown the part number (6) is:

a)

Tailstock

b)

Bed

c)

Lead screw

d)

Power feed lever

25.

for the machine shown the part number (7) is:

a)

Tailstock

b)

Bed

c)

Lead screw

d)

Power feed lever

26.

for the machine shown the part number (8) is:

a)

Tailstock

b)

Bed

c)

Lead screw

d)

Power feed lever

27.

the shown lathing machine part is :

a)

Center

b)

Headstock

c)

Carriage

d)

3 jaw chuck

28.

the shown lathing machine part is :

a)

Center

b)

Headstock

c)

Carriage

d)

3 jaw chuck

29.

the shown lathing machine part is :

a)

Center

b)

Headstock

c)

Carriage

d)

3 jaw chuck

30.

the shown lathing machine part is :

a)

Center

b)

Headstock

c)

Carriage

d)

3 jaw chuck

31.

Provides the driven power to control the rotation of the part (work piece) being machined is the function of :

a)

Headstock

b)

Tool rest

c)

Compound rest

d)

Four-jaw chuck

32.

used to mount the cutting tool is the function of :

a)

Headstock

b)

Tool rest

c)

Compound rest

d)

Four-jaw chuck

33.

Allows the tool to move at an angle is the function of :

a)

Headstock

b)

Tool rest

c)

Compound rest

d)

Four-jaw chuck

34.

Holds work of different sizes and shapes is the function of :

a)

Headstock

b)

Tool rest

c)

Compound rest

d)

Four-jaw chuck

35.

Calculate the RPM required to rough turn a 40 mm diameter piece of machine steel( cutting speed is 27 m/min) ?

a)

215

b)

212

c)

0.2148

d)

4.65