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SSC-JE ME || Manufacturing 8

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Question 1

NC code G04 is for _________.

Question 2

The manual part programming is done in

Question 3

Consider the following statements with reference to NC machines:
1) Both closed-loop and open-loop systems are used.
2) Papers, tapes, floppy tapes and cassettes are used for data storage.
3) Digitizers may be used as interactive input devices.
4) Post-processor is an item of hardware.
Which of the above statements are correct?

Question 4

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

Question 5

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

Question 6

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 7

Match the following

Question 8

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 9

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 10

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

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Sep 10AE & JE Exams

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Apoorbo RoyApoorbo RoyMember since Sep 2020
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