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