2 Why slots are provided in the slotted castle nuts? *
2 points
3 What is the name of limit gauge? *
2 points
4 What is the name of gauge? *
2 points
5 Which gauge is used to check the gap between the mating parts? *
2 points
6 Which material is used to clean the slip gauge? *
2 points
7 Which material is to wash off the lapping plate after charging? *
2 points
8 Which material is used to protect slip gauge from rust? *
2 points
9 What is the procedure to built up the slip gauge for particular dimension? *
2 points
10 What is the name of the gauge? *
2 points
11 Which finishing process have a high degree of dimensional accuracy? *
2 points
12 Which is the abrasive used for lapping soft steel and non-ferrous metals? *
2 points
13 Why grooves are provided on the surface of the lapping plate? *
2 points
14 What is the method of surface hardening? *
2 points
15 What is the method of surface hardening? *
2 points
16 What is the name of the heat treatment process for reheating the hardened steel to a temperature below 400°C followed by cooling? *
2 points
17 Why the tempering process carried out in steel? *
2 points
18 What is the purpose of annealing in steel? *
2 points
19 What is the name of the key? *
2 points
20 What is the purpose of key? *
2 points
21 What is the ratio of key way taper? *
2 points
22 What is the name of key? *
2 points
23 Which type of metal screws useful for self tapping on hard or brittle materials? *
2 points
24 What is the advantage of wing nut? *
2 points
25 What is the name of gauge? *
2 points
26 Which gauge is used to check the accuracy of an external thread? *
2 points
27 What is the instrument used in measuring external diameter? *
2 points
28 Find out the height of slip gauge ‘a’?(sin 25° =0.4226) *
2 points
29 How many set of feeler gauges are availableas per BIS? *
2 points
30 What material is used to make radius and fillet gauge? *
2 points
31 What is the part marked as ‘x’ in lapping tool? *
2 points
32 What is the purpose of slit provided in the lapping tool? *
2 points
33 What is the name of operation? *
2 points
34 What type of abrasives are used in honing cast iron and non-ferrous materials? *
2 points
35 Which method of surface hardening, the surface remains free from scales? *
2 points
36 What is the process if the steel is heated above critical temperature and soaking it for sufficient time and cooling it very slowly within furnace? *
2 points
37 What is the process to refine the structure of steel component? *
2 points
38 Which method of surface hardening is done in a heated salt bath? *
2 points
39 What is the name of part marked as X? *
2 points
40 Which key has rectangular cross section is fit into key way cut on both shaft and hub? *