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Latest MPESB ITI Training Officer Motor Mechanic Exam Question (Objective Questions), MCQ in English

Subjects : Professional Knowledge, Science & Maths, General Knowledge, Logical Reasoning, Basic Computer Knowledge

Question Bank MPESB ITI Training Officer (Motor Mechanic) Exam - English
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Professional Knowledge

Question 1Single Answer
The least count of a standard metric Vernier caliper having 10 divisions on Vernier scale coinciding with 9 mm on main scale is?
  1. A
    0.01 mm
  2. B
    0.02 mm
  3. C
    0.05 mm
  4. D
    0.1 mm
Question 2Single Answer
If a Vernier caliper has 20 divisions on Vernier scale coinciding with 19 mm on main scale, its least count is?
  1. A
    0.1 mm
  2. B
    0.02 mm
  3. C
    0.05 mm
  4. D
    0.01 mm
Question 3Single Answer
The least count of a Vernier caliper is calculated as?
  1. A
    Main scale division only
  2. B
    Main scale division + Vernier scale division
  3. C
    (1 main scale division – 1 Vernier scale division)
  4. D
    Vernier scale division only
Question 4Single Answer
A Vernier caliper shows main scale reading 3.4 cm and Vernier coincidence at 7th division. If least count is 0.02 mm, total reading is?
  1. A
    34.07 mm
  2. B
    34.14 mm
  3. C
    34.20 mm
  4. D
    34.00 mm
Question 5Single Answer
The zero error in Vernier caliper is checked when?
  1. A
    No check needed
  2. B
    Jaws are open
  3. C
    Both jaws are closed gently
  4. D
    Only main scale is used
Question 6Single Answer
Positive zero error in Vernier caliper is subtracted when?
  1. A
    No subtraction
  2. B
    Measuring internal dimension
  3. C
    Measuring external dimension
  4. D
    Only depth measurement
Question 7Single Answer
The least count of a standard outside micrometer with 50 divisions on thimble is?
  1. A
    0.01 mm
  2. B
    0.02 mm
  3. C
    0.05 mm
  4. D
    0.1 mm
Question 8Single Answer
In a micrometer, 1 main scale division = 0.5 mm and thimble has 50 divisions. Least count is?
  1. A
    0.1 mm
  2. B
    0.02 mm
  3. C
    0.05 mm
  4. D
    0.01 mm
Question 9Single Answer
If sleeve reading is 7 mm and thimble coincidence is at 42nd division, reading is?
  1. A
    7.84 mm
  2. B
    7.21 mm
  3. C
    7.00 mm
  4. D
    7.42 mm
Question 10Single Answer
Ratchet stop in micrometer is used to?
  1. A
    Change range
  2. B
    Lock the spindle
  3. C
    Apply uniform measuring pressure
  4. D
    Zero setting
Question 11Single Answer
The least count of a depth micrometer is usually?
  1. A
    0.05 mm
  2. B
    0.02 mm
  3. C
    0.01 mm
  4. D
    0.1 mm
Question 12Single Answer
While measuring depth with depth micrometer, reading is taken when?
  1. A
    No ratchet used
  2. B
    Spindle is loose
  3. C
    Spindle just touches bottom and ratchet slips
  4. D
    Full pressure applied
Question 13Single Answer
A depth micrometer reading sleeve 5 mm and thimble 38 is?
  1. A
    5.38 mm
  2. B
    5.19 mm
  3. C
    5.00 mm
  4. D
    5.76 mm
Question 14Single Answer
The least count of a dial bore gauge with 0.01 mm graduation is?
  1. A
    0.02 mm
  2. B
    0.001 mm
  3. C
    0.1 mm
  4. D
    0.01 mm
Question 15Single Answer
Dial bore gauge is primarily used for?
  1. A
    Angle measurement
  2. B
    External diameter
  3. C
    Depth measurement
  4. D
    Measuring internal diameter accurately
Question 16Single Answer
Zero setting of dial bore gauge is done with?
  1. A
    Outside micrometer
  2. B
    No zero setting
  3. C
    Vernier caliper
  4. D
    Setting ring gauge of known size
Question 17Single Answer
In dial bore gauge, needle moving clockwise from zero indicates?
  1. A
    Bore is larger than setting size
  2. B
    Bore is smaller
  3. C
    No change
  4. D
    Exact size
Question 18Single Answer
Feeler gauges are used to measure?
  1. A
    Depth
  2. B
    External diameter
  3. C
    Clearance between two surfaces
  4. D
    Angle
Question 19Single Answer
The thickness range of standard feeler gauge set is usually?
  1. A
    5 mm to 10 mm
  2. B
    1 mm to 5 mm
  3. C
    0.01 mm to 0.05 mm
  4. D
    0.05 mm to 1 mm
Question 20Single Answer
Valve clearance is measured by?
  1. A
    Vernier caliper
  2. B
    Micrometer
  3. C
    Feeler gauge between rocker arm and valve stem
  4. D
    Dial gauge
Question 21Single Answer
Typical valve clearance (cold engine) for inlet valve is?
  1. A
    0.05–0.10 mm
  2. B
    0.30–0.40 mm
  3. C
    0.15–0.25 mm
  4. D
    0.50–0.60 mm
Question 22Single Answer
Piston ring end gap is checked with?
  1. A
    Micrometer
  2. B
    Feeler gauge in cylinder bore
  3. C
    Vernier
  4. D
    No check
Question 23Single Answer
Recommended piston ring end gap for top compression ring is usually?
  1. A
    1.0–1.5 mm
  2. B
    0.05–0.10 mm
  3. C
    0.25–0.50 mm
  4. D
    0.01–0.05 mm
Question 24Single Answer
The least count of a standard metric outside micrometer is?
  1. A
    0.02 mm
  2. B
    0.01 mm
  3. C
    0.05 mm
  4. D
    0.1 mm
Question 25Single Answer
If thimble reading is 0.47 mm and sleeve shows 12.5 mm, total reading is?
  1. A
    12.47 mm
  2. B
    12.97 mm
  3. C
    13.00 mm
  4. D
    12.00 mm
Question 26Single Answer
Backlash error in micrometer is eliminated by?
  1. A
    Tightening spindle
  2. B
    No elimination
  3. C
    Using ratchet stop
  4. D
    Loose spindle
Question 27Single Answer
Vernier caliper is used for measuring?
  1. A
    Only external
  2. B
    External, internal and depth dimensions
  3. C
    Only depth
  4. D
    Only angle
Question 28Single Answer
The main scale division in most Vernier calipers is?
  1. A
    1 mm
  2. B
    0.5 mm
  3. C
    0.02 mm
  4. D
    0.1 mm
Question 29Single Answer
If Vernier scale has 10 divisions and main scale has 1 mm per division, least count is?
  1. A
    0.02 mm
  2. B
    0.01 mm
  3. C
    0.05 mm
  4. D
    0.1 mm
Question 30Single Answer
The zero error is positive when?
  1. A
    Coincides
  2. B
    To the left
  3. C
    Vernier zero is to the right of main zero when jaws closed
  4. D
    No error
Question 31Single Answer
Dial bore gauge reading is taken from?
  1. A
    Vernier scale
  2. B
    No reading
  3. C
    Main scale only
  4. D
    Pointer deviation from zero on setting ring
Question 32Single Answer
Feeler gauges should be?
  1. A
    Bent
  2. B
    Oily
  3. C
    Clean, flat, free from burrs
  4. D
    Thick
Question 33Single Answer
Valve clearance is adjusted when engine is?
  1. A
    Running
  2. B
    Hot
  3. C
    Cold
  4. D
    No adjustment
Question 34Single Answer
Too small valve clearance causes?
  1. A
    No effect
  2. B
    Valve burning and loss of compression
  3. C
    Valve noise
  4. D
    Better performance
Question 35Single Answer
Too large valve clearance causes?
  1. A
    Valve tapping noise and reduced valve opening time
  2. B
    No noise
  3. C
    Better compression
  4. D
    No effect
Question 36Single Answer
Piston ring end gap is measured at?
  1. A
    Outside bore
  2. B
    Top of bore
  3. C
    Middle of bore
  4. D
    Bottom of cylinder bore (least worn part)
Question 37Single Answer
Too small piston ring end gap causes?
  1. A
    Ring butting and scuffing
  2. B
    No problem
  3. C
    Excessive oil consumption
  4. D
    Blow-by
Question 38Single Answer
Too large piston ring end gap causes?
  1. A
    Ring seizure
  2. B
    No blow-by
  3. C
    Excessive blow-by and oil consumption
  4. D
    No consumption
Question 39Single Answer
The most accurate instrument for measuring bore diameter is?
  1. A
    Outside micrometer
  2. B
    Vernier caliper
  3. C
    Dial bore gauge
  4. D
    Scale
Question 40Single Answer
The least count of a dial bore gauge is usually?
  1. A
    0.01 mm or 0.001 mm
  2. B
    0.1 mm
  3. C
    1 mm
  4. D
    0.05 mm
Question 41Single Answer
The main scale on micrometer is graduated in?
  1. A
    1 mm only
  2. B
    0.01 mm
  3. C
    0.02 mm
  4. D
    0.5 mm or 1 mm intervals
Question 42Single Answer
Thimble scale on micrometer has how many divisions?
  1. A
    5
  2. B
    10
  3. C
    20
  4. D
    50 or 100
Question 43Single Answer
Vernier caliper can measure depth using?
  1. A
    Inside jaws only
  2. B
    No depth rod
  3. C
    Outside jaws only
  4. D
    Depth rod
Question 44Single Answer
The smallest reading possible on a 0.02 mm least count Vernier is?
  1. A
    1 mm
  2. B
    0.01 mm
  3. C
    0.1 mm
  4. D
    0.02 mm
Question 45Single Answer
Zero error correction in Vernier caliper is?
  1. A
    Ignored
  2. B
    Added or subtracted from actual reading
  3. C
    Multiplied
  4. D
    Divided
Question 46Single Answer
Feeler gauges are made of?
  1. A
    Hardened and tempered steel
  2. B
    Plastic
  3. C
    Aluminium
  4. D
    Copper
Question 47Single Answer
The correct way to use feeler gauge is?
  1. A
    Force it
  2. B
    Insert the strip with light drag
  3. C
    Loose fit
  4. D
    No drag
Question 48Single Answer
Valve clearance specification is usually given in?
  1. A
    Visual check
  2. B
    No specification
  3. C
    Service manual
  4. D
    Random
Question 49Single Answer
Piston ring end gap specification is usually?
  1. A
    0.001 inch
  2. B
    0.004–0.006 inch per inch of bore diameter
  3. C
    0.010 inch
  4. D
    No specification
Question 50Single Answer
The most accurate way to measure cylinder bore is?
  1. A
    Scale
  2. B
    Vernier caliper
  3. C
    Dial bore gauge at three levels and two directions
  4. D
    No measurement
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