ISRO VSSC apprentice Interview | Scientist/Engineer 'SC'(Mechanical) interview l PD Classes

ISRO VSSC Interview | Mechanical engineering technical interview questions | Scientist/Engineer 'SC'(Mechanical) interview l PD Classes
ISRO VSSC (Vikram sarabhai space centre) Apprentice/ Technician apprentice/Graduate apprentice in VSSC/graduate &Technician apprentices/Technical assistant mechanical/Technician apprentice (Diploma in engineering) /Mechanical engineering
mechanical Engineer in ISRO?
Indian Space Research Organisation Mechanical Engineer
What questions are asked in the ISRO interview
1. What is the work of a mechanical engineer in ISRO VSSC?
2. The king pin inclination is usually?
3. The formula used to determine the highest and lowest speed in all gear drive is given by?
4. When the length of the journal is equal to the diameter of the journal then the bearing is said to be a? - Square bearing
5. Spilt muff coupling is which type of coupling? - sleeve coupling
6. Name one theory which is suitable for ductile metal?
7. Which type of rivet is used for structural application? - Snap head
8. A knuckle pin may fail in?
9. What is the function of a washer?
10. One kg of steam sample contains 0.8 dry steam calculate its dryness fraction? - 0.8
11. The ratio of heat extracted in the refrigerator to the work done on the refrigerant is called?
12. The relationship that results between the two mating parts before assembly is called? - Fit
13. The initial clearance left between the leaves in a laminated leaf spring is known as? - Nip
14. What is the purpose of ratchet screw in a micrometer screw gauge?
15. The process capability indicates that the product produced will be in the range of?
16. What is the Miller index of a plane intersects the coordinate axes at x=2/3, y=1/3, z=1/2 ? - 364
17. Drill diameter is measured over?
18. Which parameter remains constant during joule-thomson expansion? - Enthalpy
19. In an adiabatic saturation process of air what remains constant?
20. The prandtl number will be lowest for? - Liquid metal
21. What is the method of governing used in diesel engine is?
22. The tendency of knocking in C.I. engine is reduced by?
23. The purpose of a gate in in casting is to?
24. The electrodes used in spot welding have a tip of? - Copper
25. The consumable electrode is used in? - Mig welding
26. Most of the oxy- acetylene welding is done with? - Neutral flame
27. Thermite used in thermite welding is a mixture of?
28. Discontinuous chips are formed during machining of?
INTERVIEWS FOR THE POST OF SCIENTIST/ENGINEER 'SC' (EMC)
29. The operation of smoothing and squaring the surface around a hole is known as? - Spot facing
30. Tell about some more operations?
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ISRO Mechanical interview questions
31. The value of the point angle of a drill is?
32. Fixtures are used for?
33. Jig is used for?
34. What carries away maximum heat energy in a machining process? - Chip
35. What is the purpose of tempering the steel?
36. High speed steel (H.S.S) belongs to the category of? - Alloy steel
37. Cold working process increase- fatigue strength
38. Material best weldable with itself is? - mild steel
39. Which bond gives the softest bond? - silicate bond
40. Cold worked component are generally subjected to? - Annealing
41. What are the steps of powder metallurgy?
42. Ring rolling is used?
43. If the atomic radius of aluminum (FCC) is r, what us unit cell volume?
44. The Recrystalization temperature of lead, tin or zinc is? - Room temperature
45. German silver contains?
46. Taylor's principle is concerned with? - Gauging measurements
47. Gear tooth vernier is used to measure?
48. Auto collimators are used to measure?
49. Autocollimators can be used in the testing of?
50. Tell about profilometer?
51. An optical gauge works on the principal of?
52. The gears used in watches, clocks toys etc. Are made by? - Stamping
53. Why do you want to join ISRO VSSC as a mechanical engineer?
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