• The Trade Fitter is a two-year Training course under the National vocational training system in India. This Trade Theory book is a part of the Written Instructional Material developed for the 1st year of Training. It contains 97 Exercises in 5 modules and it broadly covers Basic Fitting, Forging, Sheet metal work, welding and Turning.
• Fitter Theory Books I, II Year is for ITI trade Fitter. Fitter Theory Books I, II Year have fundamental topic Trade Basics (Fitter), Occupational Safety and First Aid, Measurement and Measuring Instruments, Marking Tools, Cutting Tools, Striking and Holding Tools, Metals, Heat Treatment, Forging, Sheet Metal Work, Soldering, Rivet, Welding.

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# Objective Question and Answer’s :-
Q 1. In outside micrometer, datum line and graduations are marked on
A). Spindle
B). Barrel
C). Frame
D). Anvil
Answer :- B

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Q 2. The two parts of a try square are . . . . . . . . . . . . . . . . .
A). Straight and blade
B). Stick and plate
C). Stock and blade
D). Stock and wedge
Answer :- C

Q 3. A micrometer has a negative error of 0.03 mm. What is the correct reading if the micrometer measures 40.53 mm?
A).40.50 mm
B).40.56 mm
C).40.46 mm
D).40.59 mm
Answer :- B

Q 4. Kerosene oil is used as a coolant, while drilling a workpiece made of….
A).Brass
B).Bronze
C).Aluminium
D).Wrought iron
Answer :- C

Q 5. Which one of these bonds is most commonly used on grinding wheels?
A).Vitrified
B).Rubber
C).Shellac
D).Silicate
Answer :- A

Q 6. In the figure given below, which one is cross peen hammer?

A) A
B) B
C) C
D) D
Answer :- C

Q 7. For general purpose, a bench vice is fixed at a height of….
A) 80 cm
B) 90 cm
C) 106 cm
D) 125 cm
Answer :- C

Q 8. Identify the machine shown in figure given below.

A) Planer
B) Slotter
C) Shaper
D) Milling machine
Answer :- B

Q 9. The bed of a lathe is made of ……………….
A) Alloy steel
B) Mild steel
C) Cast iron
D) Wrought iron
Answer :- C

Q 10. Which of these is NOT a part of center- lathe?
A) Saddle
B) Feed rod
C) Arbor
D) Lead screw
Answer :- C

Q 11. In the figure given below, identify the lathe operation being done.
A) Knurling
B) Indenting
C) Scratching
D) Pattern making
Answer :- A

Q 12. Which among these metals is the lightest?
A) Tin
B) Lead
C) Aluminium
D) Copper
Answer :- C

Q 13.Identify the gauge shown in figure given below.

A) Standard gauge
B) Wire gauge
C) Depth gauge
D) Drill gauge
Answer :- B

Q 14. Which of these is an example of semi-liquid lubricant?
A) Graphite
B) Grease
C) Lard oil
D) Castor oil
Answer :- B

Q 15. The most common cutting fluid used in almost all machining operations is……
A) Soluble oil
B) Water
C) Compressed air
D) Kerosene
Answer :- A

Q 16. Which of these cutting tools is used to finish and enlarge a hole?
A) Die
B) Tap
C) Reamer
D) Boring bar
Answer :- C

Q 17.The process of beveling the end of an existing drilled hole is called..
A) Boring
B) Spot-facing
C) Counter-boring
D) Counter-sinking
Answer :- D

Q 18. Figure given below shows a type of cut of a file. What is it?

A) Single cut
B) Double cut
C) Curved cut
D) Rasp cut
Answer :- D

Q 19. The teeth of the hacksaw blade are bent as shown below. It is called…

A) Pattern
B) Style
C) Set
D) Series
Answer :- C

Q 20. It is a type of paper that can be used for sanding down hard and rough surfaces. It is called
A) Rigid paer
B) Tough paper
C) Hard paper
D) Emery paper
Answer :- D

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Q 22. Which one of these is NOT a type of oxy-acetylene flame?
A) Neutral flame
B) Natural flame
C) Oxidising flame
D) Carburizing flame
Answer :- B

Q 23. The drilled hole is larger than the size of the drill used.It could be due to
A) Too much feed
B) Helix angle not accurate
C) Lip clearance not accurate
D) Unequal length of the cutting edges
Answer :- D

Q 24. If a bench vice is over-tightened, what is likely to be damaged?
A) Handle
B) Spindle
C) Square nut
D) Fixed jaw
Answer :- B

Q 25. Which of these is not a base unit under SI system of units?
A) Kelvin
B) Candela
C) Mole
D) Joule
Answer :- D

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Q 26. The main purpose of heat treatment process “normalizing” is…..
A) Remove induced stresses
B) Improve machinability
C) Soften steel
D) Increase toughness and reduce brittleness
Answer :- A

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