Free Bachelor of Mechanical Engineering Advanced Manufacturing Questions and Answers

Question 1

Which of the following applications also makes use of the hobbing process?

Accepted Answer

Sprocket cutting

Answer

Gears, splines, and sprockets are frequently cut using the machining process known as hobbing. The cutting device is referred to as a hob.

Question 2

Which of the following is a specific instance of hobbling?

Accepted Answer

Milling

Answer

A unique form of milling called hobing involves making a sequence of cuts with a tool called a hob to create teeth.

Question 3

The angle between the workpiece's spindle axis and the hob's spindle axis should equal ___ while making spur gears.

Accepted Answer

(helix angle of the hob)

Answer

Since the hob contains helical threads, it must be angled with the workpiece in accordance with the requirements before being put into the workpiece. That angle for spur gears should match the hob's helix angle.

Question 4

As the helix angle of the helical gear, the angle between the spindle axes of the hob and the workpiece must be .

Accepted Answer

increased by the same amount

Answer

One must take the gear's helix angle into account when producing the helical gear. The angle between the hob spindle axis and the workpiece spindle axis should be increased by an angle equivalent to the gear's helix angle during hobbing the helical gear.

Question 5

What is the primary benefit of broaching versus shaping?

Accepted Answer

Removal of the whole material in one stroke

Answer

In shaping, achieving full depth necessitates a number of strokes to gradually infeed the single point tool while removing the material in thin layers one at a time. In contrast, broaching uses gradually rising teeth on a cutter called a broach to allow removal of the entire material in a single motion. Some benefits of shaping processes include the inability of broaching to machine surfaces with obstructions.

BME - Bachelor of Mechanical Engineering Practice Test

BME - Bachelor of Mechanical Engineering Practice Test

Free Bachelor of Mechanical Engineering Advanced Manufacturing Questions and Answers