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MP Sub-Engineer ME: Computer Integrated Manufacturing Quiz 28

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Question 1

The manual part programming is done in

Question 2

In MCU (Machine Control Unit) of codes written for a CNC machines. What does the letter H stands for?

Question 3

Aviation industries uses which type of manufacturing technology to produce aircrafts parts with high degree of accuracy and reliability?

Question 4

There are two types of CNC motion PTP (Point to Point) and contour motion. Which of the following is an example of a point to point motion in a CNC programming?

Question 5

Match the following

Question 6

A CNC part programming on a block is given by

M020 G02 X45.0 Y25.0 R5.0

The tool motion during the execution of the part programme will be

Question 7

In CNC machining, which of the following denotes the process of moving the tool from one point to the other, along a pre-defined path?

Question 8

List 1 shows the codes of CNC machine and list 2 shows the functions associated with them. Match the two accordingly

List-1

P). G 33

Q). G 35

R). G91

S). G 80-89

List-2

1). Incremental input dimensions

2). Canned cycles

3). Constant lead thread cutting

4). Linearly decreasing lead thread cutting

Question 9

Consider the following statements regarding homogeneous coordinate transformation matrix:
1) A homogeneous transformation matrix can be considered to consist of four sub-matrices.
2) The upper left 3 x 3 sub-matrix represents the position vector.
3) The upper right 3 x 1 sub-matrix represents the rotation matrix.
4) The lower left 1 x 3 sub-matrix represents perspective transformation. Which of the above statements are correct?

Question 10

The method of CNC programming which enables the programmer to describe part geometry using variables is

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