550+ Machining-and-machine-tool-operations Questions

Machining-and-machine-tool-operations Questions Set 4:

Quiz Mode

What are the reasons for the reduction of tool life?

2 and 3

1, 2 and 3

1 only

2 only

Solution:

The maximum pressure applied by the compression coil is approximately _____

300 MPa

340 MPa

370 MPa

400 MPa

Solution:

What types of gears are used in a lathe machine?

Compound gear

Simple gear

None of the mentioned

Both simple and compound gears

Solution:

To obtain a cup with a diameter of 30 mm and a height of 20 mm by drawing, what should be the approximate size (in mm) of the round blank?

Solution:

What should be the approximate size of the round blank to obtain a cup with a diameter of 30 mm and a height of 20 mm by drawing?

51.44 mm

57.44 mm

55.44 mm

52.44 mm

Solution:

When the spring index increases, what happens to the value of Wahl's stress factor?

It increases linearly

It decreases linearly

It decreases exponentially

It remains the same

Solution:

If the diameter of a hole is subject to considerable variation, which type of locator is used in jigs and fixtures?

Diamond pin locator

Cylindrical locator

Conical locator

Vee locator

Solution:

A Geneva mechanism is used to transfer components from one station to another in which type of machine?

a rotary transfer machine

a linked line

an unlinked flow line

an in-line transfer machine

Solution:

A washer with a 12.7 mm internal hole and an outside diameter of 25.4 mm is to be made from a 1.5 mm thick strip of 0.2% carbon steel. Considering the elastic recovery of the material, find the punch size for the blanking and piercing operations, respectively. (Assume the clearance as 0.1 mm)

52.32 mm, 25.22 mm

72.55 mm, 12.5 mm

52 mm, 25 mm

25.2 mm, 12.9 mm

Solution:

Consider the following statements:

Jigs are the Holding device that hold the Workpiece and guide the tool, while Fixtures are the Holding device that hold the workpiece and do not guide the Tool.

Which of the following option is correct?

None of the above

A= Hold, B= Guide, C= Hold, D= Guide

A= Hold, B= Do not guide, C= Hold, D= Guide

A= Hold, B= Guide, C= Hold, D= Do not guide

Machining-and-machine-tool-operations Questions Set 4:

What are the reasons for the reduction of tool life?

Solution:

The maximum pressure applied by the compression coil is approximately _____

Solution:

What types of gears are used in a lathe machine?

Solution:

To obtain a cup with a diameter of 30 mm and a height of 20 mm by drawing, what should be the approximate size (in mm) of the round blank?

Solution:

What should be the approximate size of the round blank to obtain a cup with a diameter of 30 mm and a height of 20 mm by drawing?

Solution:

When the spring index increases, what happens to the value of Wahl's stress factor?

Solution:

If the diameter of a hole is subject to considerable variation, which type of locator is used in jigs and fixtures?

Solution:

A Geneva mechanism is used to transfer components from one station to another in which type of machine?

Solution:

A washer with a 12.7 mm internal hole and an outside diameter of 25.4 mm is to be made from a 1.5 mm thick strip of 0.2% carbon steel. Considering the elastic recovery of the material, find the punch size for the blanking and piercing operations, respectively. (Assume the clearance as 0.1 mm)

Solution:

Consider the following statements:

Jigs are the Holding device that hold the Workpiece and guide the tool, while Fixtures are the Holding device that hold the workpiece and do not guide the Tool.

Which of the following option is correct?

Solution:

Related Question Sets:

Related Topics:

Machining-and-machine-tool-operations Questions Set 4:

What are the reasons for the reduction of tool life?

Solution:

The maximum pressure applied by the compression coil is approximately _____

Solution:

What types of gears are used in a lathe machine?

Solution:

To obtain a cup with a diameter of 30 mm and a height of 20 mm by drawing, what should be the approximate size (in mm) of the round blank?

Solution:

What should be the approximate size of the round blank to obtain a cup with a diameter of 30 mm and a height of 20 mm by drawing?

Solution:

When the spring index increases, what happens to the value of Wahl's stress factor?

Solution:

If the diameter of a hole is subject to considerable variation, which type of locator is used in jigs and fixtures?

Solution:

A Geneva mechanism is used to transfer components from one station to another in which type of machine?

Solution:

A washer with a 12.7 mm internal hole and an outside diameter of 25.4 mm is to be made from a 1.5 mm thick strip of 0.2% carbon steel. Considering the elastic recovery of the material, find the punch size for the blanking and piercing operations, respectively. (Assume the clearance as 0.1 mm)

Solution:

Consider the following statements: Jigs are the Holding device that hold the Workpiece and guide the tool, while Fixtures are the Holding device that hold the workpiece and do not guide the Tool. Which of the following option is correct?

Solution:

Related Question Sets:

Related Topics:

Consider the following statements:

Jigs are the Holding device that hold the Workpiece and guide the tool, while Fixtures are the Holding device that hold the workpiece and do not guide the Tool.

Which of the following option is correct?