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Latest MPESB ITI Training Officer Diesel 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 (Diesel Mechanic) Exam - English
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Professional Knowledge

Question 1Single Answer
The least count of a standard 150 mm Vernier calliper is?
  1. A
    0.1 mm
  2. B
    0.02 mm
  3. C
    0.05 mm
  4. D
    0.01 mm
Question 2Single Answer
The main scale division on a Vernier calliper is usually?
  1. A
    1 mm
  2. B
    0.5 mm
  3. C
    0.02 mm
  4. D
    2 mm
Question 3Single Answer
The number of divisions on the Vernier scale of a 0.02 mm least count calliper is?
  1. A
    10
  2. B
    50
  3. C
    20
  4. D
    100
Question 4Single Answer
When the Vernier scale zero coincides with the main scale zero, the reading is?
  1. A
    1 mm
  2. B
    0.02 mm
  3. C
    Zero
  4. D
    Random
Question 5Single Answer
The fixed jaw of a Vernier calliper is used to measure?
  1. A
    All of the above
  2. B
    Internal dimensions
  3. C
    Depth
  4. D
    External dimensions
Question 6Single Answer
The sliding jaw of a Vernier calliper is used to measure?
  1. A
    Only thickness
  2. B
    Only external
  3. C
    Only depth
  4. D
    External and internal dimensions
Question 7Single Answer
The depth rod of a Vernier calliper is used to measure?
  1. A
    Depth of holes and slots
  2. B
    External diameter
  3. C
    Internal diameter
  4. D
    No depth
Question 8Single Answer
The zero error in Vernier calliper is checked when?
  1. A
    No check
  2. B
    Jaws are open
  3. C
    Both jaws are closed
  4. D
    Depth rod is extended
Question 9Single Answer
Positive zero error in Vernier calliper means?
  1. A
    No error
  2. B
    To the left
  3. C
    Coincides
  4. D
    The zero of Vernier scale is to the right of main scale zero
Question 10Single Answer
Negative zero error in Vernier calliper means?
  1. A
    To the right
  2. B
    The zero of Vernier scale is to the left of main scale zero
  3. C
    Coincides
  4. D
    No error
Question 11Single Answer
The least count of a 0-25 mm outside micrometer is?
  1. A
    0.1 mm
  2. B
    0.02 mm
  3. C
    0.001 mm
  4. D
    0.01 mm
Question 12Single Answer
The pitch of the screw thread in a standard micrometer is?
  1. A
    1 mm
  2. B
    0.5 mm
  3. C
    0.25 mm
  4. D
    2 mm
Question 13Single Answer
The number of divisions on the thimble of a standard micrometer is?
  1. A
    10
  2. B
    100
  3. C
    25
  4. D
    50
Question 14Single Answer
The spindle and anvil faces of a micrometer should be?
  1. A
    No care
  2. B
    Oiled heavily
  3. C
    Dirty
  4. D
    Clean and free from burrs
Question 15Single Answer
The ratchet stop in micrometer is used to?
  1. A
    Increase pressure
  2. B
    Apply constant measuring pressure
  3. C
    No ratchet
  4. D
    Lock spindle
Question 16Single Answer
Zero error in micrometer is checked when?
  1. A
    Spindle is open
  2. B
    Spindle is brought in contact with anvil
  3. C
    No check
  4. D
    Ratchet is loose
Question 17Single Answer
Positive zero error in micrometer means?
  1. A
    Reading is more than actual size
  2. B
    Reading is less
  3. C
    Zero reading
  4. D
    No error
Question 18Single Answer
To correct positive zero error in micrometer, we?
  1. A
    Change anvil
  2. B
    Add the error
  3. C
    No correction
  4. D
    Subtract the error from measured value
Question 19Single Answer
The measuring faces of micrometer should be checked for?
  1. A
    Roughness
  2. B
    No check
  3. C
    Parallelism and flatness
  4. D
    Wear only
Question 20Single Answer
The telescopic gauge is used to measure?
  1. A
    Internal diameter of bores and holes
  2. B
    External diameter
  3. C
    Depth
  4. D
    Length
Question 21Single Answer
The telescopic gauge has?
  1. A
    Fixed jaws
  2. B
    One plunger
  3. C
    No plunger
  4. D
    Two spring-loaded plungers
Question 22Single Answer
After inserting the telescopic gauge in the bore, it is?
  1. A
    Rocked slightly and locked
  2. B
    No rocking
  3. C
    Hammered
  4. D
    Rotated fast
Question 23Single Answer
The measurement taken from telescopic gauge is transferred to?
  1. A
    No transfer
  2. B
    Vernier calliper
  3. C
    Outside micrometer
  4. D
    Scale
Question 24Single Answer
The dial bore gauge is primarily used to measure?
  1. A
    Depth
  2. B
    External diameter
  3. C
    Cylinder bore diameter, taper and out-of-roundness
  4. D
    Length
Question 25Single Answer
The dial bore gauge reading is taken as?
  1. A
    Zero setting + dial reading
  2. B
    Dial reading only
  3. C
    No reading
  4. D
    Scale reading
Question 26Single Answer
The extension rods in dial bore gauge are used to?
  1. A
    Reduce range
  2. B
    No extension
  3. C
    Measure different bore diameters
  4. D
    Increase accuracy
Question 27Single Answer
The feeler gauge is used to measure?
  1. A
    Clearance between mating surfaces
  2. B
    Diameter
  3. C
    Depth
  4. D
    Angle
Question 28Single Answer
The thickness of feeler gauge blades ranges from?
  1. A
    0.03 mm to 1 mm
  2. B
    1 mm to 5 mm
  3. C
    0.001 mm to 0.01 mm
  4. D
    5 mm to 10 mm
Question 29Single Answer
Valve clearance is measured using?
  1. A
    Dial gauge
  2. B
    Micrometer
  3. C
    Vernier calliper
  4. D
    Feeler gauge
Question 30Single Answer
While checking valve clearance, the engine should be?
  1. A
    No condition
  2. B
    Hot
  3. C
    Running
  4. D
    Cold and at TDC compression stroke
Question 31Single Answer
The thread pitch gauge is used to measure?
  1. A
    Diameter
  2. B
    Pitch of screw threads
  3. C
    Depth
  4. D
    Angle
Question 32Single Answer
The thread pitch gauge has blades with?
  1. A
    Only metric
  2. B
    Same pitch
  3. C
    No blade
  4. D
    Different number of threads per inch or mm pitch
Question 33Single Answer
The correct thread pitch is identified when?
  1. A
    No match
  2. B
    Blade teeth perfectly match the thread
  3. C
    Partial match
  4. D
    Loose fit
Question 34Single Answer
The vacuum gauge is connected to?
  1. A
    Exhaust manifold
  2. B
    Intake manifold
  3. C
    Fuel line
  4. D
    No connection
Question 35Single Answer
A steady vacuum reading of 17–22 inch Hg at idle indicates?
  1. A
    Good engine condition
  2. B
    Poor condition
  3. C
    No reading
  4. D
    High reading
Question 36Single Answer
A fluctuating vacuum reading indicates?
  1. A
    Valve or ignition problem
  2. B
    Steady condition
  3. C
    No fluctuation
  4. D
    High compression
Question 37Single Answer
A low steady vacuum reading indicates?
  1. A
    High vacuum
  2. B
    No leak
  3. C
    Late valve timing or worn rings
  4. D
    Good compression
Question 38Single Answer
The tire pressure gauge measures?
  1. A
    Volume
  2. B
    Temperature
  3. C
    Air pressure in tire (psi / bar / kg/cm²)
  4. D
    No pressure
Question 39Single Answer
The recommended tire pressure is mentioned on?
  1. A
    Engine compartment
  2. B
    No mention
  3. C
    Vehicle door pillar or owner’s manual
  4. D
    Fuel tank
Question 40Single Answer
The most accurate type of tire pressure gauge is?
  1. A
    Dial gauge
  2. B
    Pencil gauge
  3. C
    Digital gauge
  4. D
    No gauge
Question 41Single Answer
The zero error in Vernier calliper is corrected by?
  1. A
    Filing
  2. B
    No correction
  3. C
    Replacing jaws
  4. D
    Adding or subtracting the error value
Question 42Single Answer
The main scale reading in Vernier calliper is taken from?
  1. A
    After Vernier zero
  2. B
    Coinciding line before Vernier zero
  3. C
    No reading
  4. D
    Random
Question 43Single Answer
The Vernier coincidence is read from?
  1. A
    Last line
  2. B
    No coincidence
  3. C
    First line
  4. D
    The line that exactly coincides with main scale division
Question 44Single Answer
The micrometer thimble is graduated in?
  1. A
    0.01 mm
  2. B
    0.5 mm
  3. C
    1 mm
  4. D
    0.1 mm
Question 45Single Answer
The barrel scale of micrometer is graduated in?
  1. A
    0.01 mm
  2. B
    1 mm
  3. C
    0.5 mm
  4. D
    0.1 mm
Question 46Single Answer
The micrometer reading is taken as?
  1. A
    No reading
  2. B
    Thimble only
  3. C
    Barrel only
  4. D
    Barrel reading + thimble reading
Question 47Single Answer
The telescopic gauge is locked by?
  1. A
    Spring
  2. B
    No lock
  3. C
    Turning the knurled knob
  4. D
    Lever
Question 48Single Answer
The measurement from telescopic gauge is taken with?
  1. A
    Vernier calliper
  2. B
    Micrometer
  3. C
    Scale
  4. D
    No measurement
Question 49Single Answer
The dial bore gauge is zeroed with?
  1. A
    Scale
  2. B
    No zeroing
  3. C
    Setting ring gauge
  4. D
    Vernier
Question 50Single Answer
The dial bore gauge reading gives?
  1. A
    Actual size
  2. B
    Deviation from set size
  3. C
    No reading
  4. D
    Depth
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