ITI Machinist Quiz on measuring instruments - Set 03 - ObjectiveBooks

ITI Machinist Quiz on measuring instruments - Set 03

Practice Test: Question Set - 03


1. Which of the following is an indirect measuring tool?
    (A) Inside caliper
    (B) Vernier caliper
    (C) Universal bevel protractor
    (D) Inside micrometer

2. The least count of Vernier bevel protractor is
    (A) 1'
    (B) 5'
    (C) 10'
    (D) 25'

3. Zero error in micrometer means
    (A) There is negligible gap between the spindle and the anvil
    (B) Micrometer is true
    (C) Zero mark on thimble is not visible
    (D) Zero on thimbles and datum line on sleeve do not coincide when measuring faces are in contact

4. To convert the linear motion of the plunger of a dial test indicator to the rotary motion of the pointer, which one of the following mechanism is used?
    (A) Quick return mechanism
    (B) Rack and pinion mechanism
    (C) Screw thread mechanism
    (D) Hydraulic mechanism

5. If the zero graduation of the thimble division of an outside micrometer is below the datum line, when the measuring faces of the micrometer are in contact, the error is
    (A) Negative
    (B) Positive
    (C) Zero
    (D) None

6. While measuring with Vernier bevel protractor, which part is used normally as reference surface?
    (A) Stock
    (B) Blade
    (C) Dial
    (D) Disc

7. While laying out, the Vernier height must be used on the
    (A) Surface plate
    (B) Vee block
    (C) Machine bed
    (D) Any flat surface

8. Try square is used to check up an angle of
    (A) 30°
    (B) 45°
    (C) 60°
    (D) 90°

9. Which one of the following instruments is used to check the concentricity of the outside diameter?
    (A) Vernier caliper
    (B) Outside micrometer
    (C) Dial test indicator
    (D) Dial caliper

10. Ratchet stop in the micrometer helps to
    (A) Control the pressure
    (B) Lock the spindle
    (C) Adjust zero error
    (D) Hold the workpiece

11. Zero error of a 50 - 75 mm outside micrometer can be checked with
    (A) Dial test indicator
    (B) Vernier height gauge
    (C) Test Piece
    (D) Feeler gauge

12. The least count of a universal bevel protractor is
    (A) 0.5'
    (B) 5'
    (C) 5''
    (D) 5°

13. One pound is equal to
    (A) 0.354 kg
    (B) 0.454 kg
    (C) 0.554 kg
    (D) 0.654 kg

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