Basic Fittings ITI Objective Questions with Answers - Set 01 - ObjectiveBooks

# Practice Test: Question Set - 01

1. What mechanism is used to convert linear motion of plunger to rotary motion of pointer in D.T.I?
(A) Back gear mechanism
(B) Rack and pinion mechanism
(C) Cam and follower mechanism
(D) Worm and worm wheel mechanism

2. How to express feed in drilling?
(A) m/rev
(B) m/min
(C) mm/rev
(D) mm/hour

3. How does a lever type dial test indicator make the pointer rotation?
(A) Back gear mechanism
(B) Rack and pinion mechanism
(C) Lever and scroll mechanism
(D) Worm and worm wheel mechanism

4. Which one of the following operation is used to bevel the mouth of a drilled hole?
(A) Reaming
(B) Spot facing
(C) Counter boring
(D) Counter sinking

5. What is the effect while measuring if ratchet stop is not provided on micrometer?
(B) Least count increases
(C) Least count decreases
(D) Increases the life of micro meter

6. What is the least count of a Vernier caliper if 19 main scale divisions (19 mm) are divided into 20 equal parts in the Vernier scale?
(A) 0.01 mm
(B) 0.02 mm
(C) 0.05 mm
(D) 0.10 mm

7. What is the angle of counter sink rivet head?
(A) 75°
(B) 80°
(C) 90°
(D) 120°

8. Why the extreme care should be taken while handling Vernier caliper?
(A) Measuring instrument
(B) Indirect measuring instrument
(C) Precision instrument
(D) Semi precision instrument

9. Which gap from spindle face is considered as the reading of outside micrometer?
(A) Anvil
(B) Frame
(C) Barrel
(D) Thimble

10. How does the concentricity of shafts can be checked?
(A) Using center gauge
(B) Using Vernier caliper
(C) Using combination set
(D) Using dial test indicator

11. What is the purpose of counter sinks with pilot?
(A) For rough works
(B) Light duty works
(C) Medium size holes
(D) To align with drilled hole

12. Calculate the rpm for drilling a hole of dia meter 16 mm on cast iron with a cutting speed 30 m / minute?
(A) 497 rpm
(B) 597 rpm
(C) 697 rpm
(D) 797 rpm

13. What is the name of the graduation on the beam of a Vernier caliper?
(A) Barrel divisions
(B) Thimble divisions
(C) Main scale divisions
(D) Vernier scale divisions

14. What is the use of outside micrometer?
(A) For depth measurement
(B) For angular measurements
(C) For internal measurements
(D) For external measurements

15. What is the least count of the micrometer if the circumference of thimble is divided into 50 divisions and the pitch of thread is 0.5 mm?
(A) 0.001 mm
(B) 0.010 mm
(C) 0.020 mm
(D) 0.050 mm

16. Which type of drilling machine has a table with sliding motion in two directions, 90° to each other?
(A) Portable drilling machine
(B) Sensitive drilling machine
(C) Box - column type pillar drilling machine
(D) Round column type pillar drilling machine

17. What will happen, if reamer is removing out in anticlockwise direction while reaming?
(A) Good surface finish
(B) Good dimension accuracy
(C) Rough surface
(D) Scratched surface

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