ALL THE BEST!!!
CNC PROGRAMMING ON LATHE-EFC-CHENNAI DATED 30TH JULY 2024
1 / 50
The purpose of a feedback device in a CNC machine tool is to provide information of;
2 / 50
What is the type of tolerance provided here and the dimension of the given object in the figure below?
3 / 50
which of the following is not an overhead in costing of a DMW products;
4 / 50
Which software module is used for material planning and procurement by Indian Railways
5 / 50
Rails in the field are welded by using
6 / 50
Which of the following is not a surface finishing operation
7 / 50
Which of the following is second hardest substance known?
8 / 50
Incremental encoder is capable of sensing
9 / 50
Which of the following is not a resistance welding?
10 / 50
Synthetic Rubber paints are prepared from
11 / 50
Which of the following is un-conventional machining process?
12 / 50
Which of the following types of fuel gas is commonly used in gas welding?
13 / 50
A small headless screw having a slot for screw driver is called
14 / 50
Which of the statements is correct?
15 / 50
Using Anti-friction linear guideways in CNC machine tools, all of following benefits except;
16 / 50
A machine is said to have CNC control if
17 / 50
Which of the following is used to guide the tool and hold the job in mass production?
18 / 50
Which one among the following is correct statement?
19 / 50
What does an Encoder do;
20 / 50
In Part Programming, interpolation is used for obtaining trajectory;
21 / 50
What is the meaning of AAC.
22 / 50
Which one of the following thread forms on nuts and bolts is meant for general fastening purposes?
23 / 50
Which one of the following is the command for feed motion in straight line;
24 / 50
A feeler gauge is used for
25 / 50
Taper plug gauge is used for checking
26 / 50
Inspection of material by consignee by third party inspection agency is prescribed for PO values;
27 / 50
Which type of motor is not suitable for the rotary axis of spindle drives of CNC machine tools;
28 / 50
What does ‘50’ represents in 50H8/g7?
29 / 50
Thread ring gauges are used for checking
30 / 50
Which of the following statements are correct for CNC machine tool;
1. CNC control unit does not allow compensation for any changes in thedimensions of cutting tool.2. CNC machineshave lower capital cost compared to conventional machines.3. It is possible to obtain information on machine utilization which is useful tomanagement in CNC machine tool.4. CNC machine tool has greater flexibility.5. CNC machine can diagnose program and can detect the machine defects evenbefore the part is produced.
31 / 50
CNC machine lathes have a built-in coordinate measuring system. The zero position on the co-ordinate system is called;
32 / 50
Threads are cut on a lathe with single point tool by
33 / 50
An ATC plays a significant role in reducing;
34 / 50
A dimension is stated as 25 +/-0.02 mm in a drawing. Whatis the tolerance?
35 / 50
Which type of chuck is used for self-alignment?
36 / 50
Thermit welding is a form of.
37 / 50
Hot hardness and Wear Resistance of cutting tool should be
38 / 50
Lathe bed is made of
39 / 50
The hardness of slip gauges should be
40 / 50
Fuel used in Cupola Furnace consists of
41 / 50
What is the purpose of using a re-circulating ball screw nut mechanism in a CNC machine;
42 / 50
Which among the following is the purpose for providing bushing in drill jig?
43 / 50
At what Standard temperature gauges should be kept in section?
44 / 50
Cyaniding' and 'Nitriding' are methods of:
45 / 50
A dimension is stated as 25 H7 in a drawing. The lower limit is
46 / 50
In a CNC machine, which kind of switches examine or detect the presence of an item or object without making contact with them;
47 / 50
Miscellaneous Code M03 describes;
48 / 50
Which of the following is most important for improving surface finish during turning.
49 / 50
Code G91 describes;
50 / 50
Why are tolerances given to the parts?
