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