previous year question paper for Machinisht and Machinisht Grinder 1st sem 2016
Choose the correct answer:
1.Oil and grease fires, which are Class B fires, can be extinguished with a __ extinguisher.
a) Soda acid
b) Dry chemical
c) Water
d) All of these
2.What is the indication of sign of safety given in the figure?
a) Risk of fire
b)Risk of electric shock
c) Toxic hazard
d) Use of adjustable guards
3.The methodology of 5S comes from deciding
a) What should be kept
b) Where it should be kept
c) How it should be stored
d) All of these
4. Brass is an alloy of
a)Copper and tin
b) Lead and tin
c) Copper and zinc
d) Copper and silver
5. Increase of carbon content in steel results in
a) Increase in hardness
b) Increase in malleability
c) Increase m ductility
d) Increase in strength
6. What type of threads are suitable for small precision components and measuring gauges?
a) British association threads
b) Whitworth screw threads
c) Acme threads
d) Square threads
7. The abrasive recommended for grinding materials of low tensile strength is
a) Silicon carbide
b) Alummlum ox1de
c) Sand stone
d) Diamond
8. What coolant is recommended for tapping copper or aluminium?
a) Kerosene
b) Lard oil
c) Soda water
d) Dry
9. For tapping with M5 tap, what size drill will you use?
a) 4.5 mm
b)4.0 mm
c) 3.8 mm
d) 3.5 mm
10. The taper shank of a drill of 20 mm diameter has
a) MT-l taper b) MT-2 taper c) MT-3 taper d) MT-4 taper
11. Grinding with a balanced grinding wheel will make it possible to achieve the required
a)Dimensional accuracy with surface finish
b) Positional tolerance surface finish only
c) Positional tolerance
d) Pattern of lay
12. The distance a drill advetnces into the job in one complete revolution is known as a) R.P.M
b) Cutting speed
c) Feed
d)Machine speed
13. Cyaniding and Nitridin are two methods of
a) Hardening
b)Casehardening
c) Tampering
d) Normalizing
14. Heat treatment of metals is necessary
a)To produce certain desired properties
b) To make good appearance on the component
c) To Increase strength of metal
d) To make the metal rust proof
15. Turning on a lathe is
a) Chip removing process
b) Chipless process
c)Both (a) and (b)
d) None of these
16. The spindle of lathe has
a) morse taper
b) Metric taper
c) Brown and sharp taper
d) None of these
17. Which of these is not a part of lathe?
a) Cross slide
b) Carriage
c)Ram
d) Lead screw
18. Lathe bed is made of
a)Mild steel
b) Cast iron
c) High carbon steel
d) High alloy steel
19. A face plate is held at
a)Headstock spindle
b) Tailstock
c) Tool post
d) Bed
20. A nut is to be made for a screw of M10x1.5. What should be the size of drilled hole?
a) 8.5 mm
b) 9.0 mm
c) 9.5 mm
d) 10.0 mm
21. The process of enlarging the end of an existing hole to accommodate the head of socket screw is called
a) Spot-facing
b) Boring
c) Counter-boring
d)Counter-sinking
22. The distance through which a screw thread advances axially in one turn is called a) Pitch of thread
b)Lead of thread
c) Depth of thread
d) Diameter of thread
23. B.S.F. screw threads have the included angle of
a) 30°
b) 45°
c) 55°
d) 60°
24. While grinding one must use?
a) Dark glass screen
b) Mask
c)Safety goggles
d) Sun goggles
25. Which among the following is an artificial abrasive?
a) Aluminium oxide
b) Emery
c) Diamond
d) Corundum
26. As per Indian standards the grain size ‘46' comes under the group
a) Coarse
b) Medium
c)F ine
d) Very fine
27. As per Indian standards the ‘M ’ grade of grinding wheel comes under the group a) Soft
b)Medium
c) Hard
d)Very hard
28. The cause of glazing of a grinding wheel is
a) Grain size is too fine
b) Wheel is hard
c)Wheel speed is too fast
d) Both (a) & (b)
29. Which one of the following bonds is most commonly used on grinding wheels?
a) Vitrified
b) Rubber
c) Shellac
d) Silicate
30. As per Indian Standards the 'K' grade of grinding wheel comes under the group
a) Son
b) Medium
c) Hard
d) Very hard
31. The symbol conventionally used for resinoid bond is
a) v
b) R
c) B
d) E
32. A grinding wheel is marked : 51 A 46 L 5 V-23. Here what does 5 denote?
a) Kind of bond
b) Structure
c) Kind of abrasive
d) Grain size
33.Taps are re-sharpened by grinding
a) Flutes
b) Threads
c) Diameter
d ) Relief
34. Which one of the following cutting fluids is used during grinding mild streel ?
a) Mineral oil
b) Non-Synthetic cutting oil
c) Soluble oil
d) Paraffin
35. To reduce internal stresses of a hardened tool, the method of heat treatment generally applied is
a) Stabilising
b) Annealing
c)Normalising
d) Temperig
36. In case of an accident, the victim should immediately be .
a) Asked to take rest
b) Enquired about the accident
c)Attended to immediately
d) Left to himself without treatment
37. Which operation is performed on a drilling machine?
a) Spot facing and tapping
b) Reaming and boring
c)counter boring and counter sinking
d) All of these
38. Which of the following processes remove maximum amount of material out of a workpiece?
a) Honing
b) Lapping
c) Grinding
d) Superfinishing
39. The hardness of a grinding wheel is specified by
a) Brinell hardness number
b) Rockwell hardness number
c) Vickers pyramid number
d)Letter of alphabet
40. One inch is equal to
a)25.4 mm
b) 2.54mm
c) 0.254mm
d) None of these
41. The aluminium oxide abrasive is chiefly used for grinding
a) High speed steel
b) Carbon steel
c) Wrought iron
d) All of these
42. A cutting fluid should be
a) Chemically stable
b) Non corrosive
c) Suitable for variety of cutting tools
d) All of these
 |
| ITI-machinisT |
1.Oil and grease fires, which are Class B fires, can be extinguished with a __ extinguisher.
a) Soda acid
b) Dry chemical
c) Water
d) All of these
2.What is the indication of sign of safety given in the figure?
a) Risk of fire
b)Risk of electric shock
c) Toxic hazard
d) Use of adjustable guards
3.The methodology of 5S comes from deciding
a) What should be kept
b) Where it should be kept
c) How it should be stored
d) All of these
4. Brass is an alloy of
a)Copper and tin
b) Lead and tin
c) Copper and zinc
d) Copper and silver
5. Increase of carbon content in steel results in
a) Increase in hardness
b) Increase in malleability
c) Increase m ductility
d) Increase in strength
6. What type of threads are suitable for small precision components and measuring gauges?
a) British association threads
b) Whitworth screw threads
c) Acme threads
d) Square threads
7. The abrasive recommended for grinding materials of low tensile strength is
a) Silicon carbide
b) Alummlum ox1de
c) Sand stone
d) Diamond
8. What coolant is recommended for tapping copper or aluminium?
a) Kerosene
b) Lard oil
c) Soda water
d) Dry
9. For tapping with M5 tap, what size drill will you use?
a) 4.5 mm
b)4.0 mm
c) 3.8 mm
d) 3.5 mm
10. The taper shank of a drill of 20 mm diameter has
a) MT-l taper b) MT-2 taper c) MT-3 taper d) MT-4 taper
11. Grinding with a balanced grinding wheel will make it possible to achieve the required
a)Dimensional accuracy with surface finish
b) Positional tolerance surface finish only
c) Positional tolerance
d) Pattern of lay
12. The distance a drill advetnces into the job in one complete revolution is known as a) R.P.M
b) Cutting speed
c) Feed
d)Machine speed
13. Cyaniding and Nitridin are two methods of
a) Hardening
b)Casehardening
c) Tampering
d) Normalizing
14. Heat treatment of metals is necessary
a)To produce certain desired properties
b) To make good appearance on the component
c) To Increase strength of metal
d) To make the metal rust proof
15. Turning on a lathe is
a) Chip removing process
b) Chipless process
c)Both (a) and (b)
d) None of these
16. The spindle of lathe has
a) morse taper
b) Metric taper
c) Brown and sharp taper
d) None of these
17. Which of these is not a part of lathe?
a) Cross slide
b) Carriage
c)Ram
d) Lead screw
18. Lathe bed is made of
a)Mild steel
b) Cast iron
c) High carbon steel
d) High alloy steel
19. A face plate is held at
a)Headstock spindle
b) Tailstock
c) Tool post
d) Bed
20. A nut is to be made for a screw of M10x1.5. What should be the size of drilled hole?
a) 8.5 mm
b) 9.0 mm
c) 9.5 mm
d) 10.0 mm
21. The process of enlarging the end of an existing hole to accommodate the head of socket screw is called
a) Spot-facing
b) Boring
c) Counter-boring
d)Counter-sinking
22. The distance through which a screw thread advances axially in one turn is called a) Pitch of thread
b)Lead of thread
c) Depth of thread
d) Diameter of thread
23. B.S.F. screw threads have the included angle of
a) 30°
b) 45°
c) 55°
d) 60°
24. While grinding one must use?
a) Dark glass screen
b) Mask
c)Safety goggles
d) Sun goggles
25. Which among the following is an artificial abrasive?
a) Aluminium oxide
b) Emery
c) Diamond
d) Corundum
26. As per Indian standards the grain size ‘46' comes under the group
a) Coarse
b) Medium
c)F ine
d) Very fine
27. As per Indian standards the ‘M ’ grade of grinding wheel comes under the group a) Soft
b)Medium
c) Hard
d)Very hard
28. The cause of glazing of a grinding wheel is
a) Grain size is too fine
b) Wheel is hard
c)Wheel speed is too fast
d) Both (a) & (b)
29. Which one of the following bonds is most commonly used on grinding wheels?
a) Vitrified
b) Rubber
c) Shellac
d) Silicate
30. As per Indian Standards the 'K' grade of grinding wheel comes under the group
a) Son
b) Medium
c) Hard
d) Very hard
31. The symbol conventionally used for resinoid bond is
a) v
b) R
c) B
d) E
32. A grinding wheel is marked : 51 A 46 L 5 V-23. Here what does 5 denote?
a) Kind of bond
b) Structure
c) Kind of abrasive
d) Grain size
33.Taps are re-sharpened by grinding
a) Flutes
b) Threads
c) Diameter
d ) Relief
34. Which one of the following cutting fluids is used during grinding mild streel ?
a) Mineral oil
b) Non-Synthetic cutting oil
c) Soluble oil
d) Paraffin
35. To reduce internal stresses of a hardened tool, the method of heat treatment generally applied is
a) Stabilising
b) Annealing
c)Normalising
d) Temperig
36. In case of an accident, the victim should immediately be .
a) Asked to take rest
b) Enquired about the accident
c)Attended to immediately
d) Left to himself without treatment
37. Which operation is performed on a drilling machine?
a) Spot facing and tapping
b) Reaming and boring
c)counter boring and counter sinking
d) All of these
38. Which of the following processes remove maximum amount of material out of a workpiece?
a) Honing
b) Lapping
c) Grinding
d) Superfinishing
39. The hardness of a grinding wheel is specified by
a) Brinell hardness number
b) Rockwell hardness number
c) Vickers pyramid number
d)Letter of alphabet
40. One inch is equal to
a)25.4 mm
b) 2.54mm
c) 0.254mm
d) None of these
41. The aluminium oxide abrasive is chiefly used for grinding
a) High speed steel
b) Carbon steel
c) Wrought iron
d) All of these
42. A cutting fluid should be
a) Chemically stable
b) Non corrosive
c) Suitable for variety of cutting tools
d) All of these
previous year question paper for Machinisht
Reviewed by ITI-Machinist
on
March 02, 2019
Rating:
Reviewed by ITI-Machinist
on
March 02, 2019
Rating:
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