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