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