MT viva questions

Viva-voice questions

1) What the causes are of built 

up edge?
2) Explain types of chips
3) What is the relation between shear

angle and rake angle?
4) Explain about the single point 

cutting tool
5) Sketch the single point cutting tool
6) What are functions of a cutting fluid?
7) ) Discuss Taylor’s relationship for 

cutting speed tool life.
8) Why lathe beds are made of cast iron?

Explain.
9) Describe different types of the tool 

posts used in lathe
10) Sketch and describe different types 

of tool holder
11) What are multi spindle automatic 

lathes?
12) What are the different types of Lathe 

attachments?  
13) 13) What are the main parts of capstan

and turret lathes?
14) What are mandrels and why are they used?
15) ) How do you specify the lathe machine?
16) What are various operations performed on shaper? 
17)  How is shaping machine specified?
18) How slotter machine is is specified? 

Explain
19) Describe with help of neat sketch, 

principal parts of shaper? 
20) Differentiate between planer, slotter and shaper?
21) What is a planer?  Explain the 

principal parts of 

planer with neat sketches.
22) ) With help of neat sketch describe

main parts of slotter.
23) a) Explain the following
    i) Counter boring.
    ii) Counter sinking.
24) What are different types of drills used?  
25) Explain clearly what is meant by Jig boring.
26) Explain the twist drill geometry 

with neat sketch?
27) ) State the differences in the function 

and design of Jigs and Fixtures.
28) ) List the human factors involved in

design of Jigs and Fixtures?
29) What are the safety factors related to 

design of jigs and fixtures?
30) Explain in detail about centre less grinding

with suitable sketches.
31) Give the classification of grinding machines.

Explain cylindrical and surface grinding machines 

with suitable sketches.
32) Describe the dressing and balancing 

requirements in grinding
33) What are the wheel materials of a grinding wheel? 

Discuss in detail.
34) ) Give the complete classifications of 

broaching machines
35)  How push broaches differ from pull broach?
36) Explain the tool life aspects of broaching, 

honing and lapping.
37) Sketch a broaching tool and explain various 

elements.
38) What is a milling machine?  How do you 

classify the milling machine? 
1. 39) Write a short note on the following:
a) Face milling cutter.
b) Carbide milling cutter.
c) End-milling cutter.
2. 40) Explain some of the accessories of the 

milling machine with neat sketches?
39)