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Objective Questions

Latest BTSC Work Inspector Mechanical Exam Question (Objective Questions), MCQ in English

Subjects : Machinist, Fitter, Wireman, Electrician, Mathematics, General Knowledge

Question Bank BTSC Work Inspector (Mechanical) Exam - English
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Machinist

Question 1Single Answer
What is the primary function of a slotter machine?
  1. A
    Drilling holes
  2. B
    Turning cylindrical parts
  3. C
    Cutting slots, keyways, and grooves
  4. D
    Grinding surfaces
Question 2Single Answer
How is a slotter classified based on its design?
  1. A
    Vertical and horizontal
  2. B
    Manual and automatic
  3. C
    Both a and c
  4. D
    Light-duty and heavy-duty
Question 3Single Answer
What is the working principle of a slotter?
  1. A
    Rotary motion of the workpiece
  2. B
    Oscillating motion of the table
  3. C
    Continuous feed motion
  4. D
    Reciprocating motion of the tool
Question 4Single Answer
Which part of the slotter houses the driving mechanism?
  1. A
    Base
  2. B
    Column
  3. C
    Ram
  4. D
    Table
Question 5Single Answer
What is a key safety precaution when operating a slotter?
  1. A
    Use high-speed cutting
  2. B
    Operate without guards
  3. C
    Ensure proper clamping of the workpiece
  4. D
    Ignore tool sharpness
Question 6Single Answer
What is the purpose of the rotary table in a slotter?
  1. A
    To hold the cutting tool
  2. B
    To adjust ram speed
  3. C
    To allow indexing for angular cuts
  4. D
    To cool the workpiece
Question 7Single Answer
How is indexing performed on a slotterโ€™s rotary table?
  1. A
    Using a vernier scale
  2. B
    Using a manual lever
  3. C
    Using a digital counter
  4. D
    Using graduated divisions on the table
Question 8Single Answer
What is the function of the quick return mechanism in a slotter?
  1. A
    Increases cutting speed
  2. B
    Adjusts table feed
  3. C
    Reduces non-cutting time
  4. D
    Controls tool angle
Question 9Single Answer
What is the typical speed ratio of the quick return mechanism in a slotter?
  1. A
    1:1
  2. B
    3:2
  3. C
    2:1
  4. D
    4:3
Question 10Single Answer
Which job holding device is used to hold cylindrical workpieces on a slotter?
  1. A
    Vice
  2. B
    V-block
  3. C
    Parallel block
  4. D
    Clamp
Question 11Single Answer
What type of slotting tool is used for cutting keyways?
  1. A
    Round nose tool
  2. B
    Side and face cutter
  3. C
    Parting tool
  4. D
    Form tool
Question 12Single Answer
What is a key safety point to observe while working on a slotter?
  1. A
    Operate at maximum speed
  2. B
    Ignore machine guards
  3. C
    Leave tools loose
  4. D
    Wear appropriate personal protective equipment
Question 13Single Answer
What is a spline primarily used for in machining?
  1. A
    Decorative finishing
  2. B
    Transmitting torque between shafts
  3. C
    Holding workpieces
  4. D
    Cooling the tool
Question 14Single Answer
Which type of spline has teeth parallel to the axis?
  1. A
    Involute spline
  2. B
    Serrated spline
  3. C
    Straight-sided spline
  4. D
    Helical spline
Question 15Single Answer
What is the main component of a slotterโ€™s ram?
  1. A
    Worktable
  2. B
    Cutting tool holder
  3. C
    Base
  4. D
    Feed mechanism

Fitter

Question 16Single Answer
What is the primary function of dividers in marking off?
  1. A
    Measuring and transferring distances
  2. B
    Cutting metal
  3. C
    Drilling holes
  4. D
    Filing surfaces
Question 17Single Answer
What material is commonly used for making dividers?
  1. A
    Aluminum
  2. B
    Hardened steel
  3. C
    Plastic
  4. D
    Wood
Question 18Single Answer
How should dividers be maintained to ensure accuracy?
  1. A
    Store in a humid environment
  2. B
    Apply heavy grease
  3. C
    Keep points sharp and clean
  4. D
    Leave in direct sunlight
Question 19Single Answer
What is a scribing block used for?
  1. A
    Marking lines parallel to a surface
  2. B
    Measuring angles
  3. C
    Cutting sheet metal
  4. D
    Drilling holes
Question 20Single Answer
What is the main component of a scribing block?
  1. A
    Blade
  2. B
    Scribe needle
  3. C
    Hammer
  4. D
    Protractor
Question 21Single Answer
What type of dividers are used for precise measurements?
  1. A
    Wing dividers
  2. B
    Spring dividers
  3. C
    Straight dividers
  4. D
    Flat dividers
Question 22Single Answer
How should a scribing block be stored?
  1. A
    In a damp place
  2. B
    Exposed to dust
  3. C
    In a protective case
  4. D
    Submerged in water
Question 23Single Answer
What is the classification of dividers based on their design?
  1. A
    Heavy and light
  2. B
    Single and double
  3. C
    Long and short
  4. D
    Fixed and adjustable
Question 24Single Answer
What care should be taken for dividers to prevent rust?
  1. A
    Use sandpaper
  2. B
    Store in water
  3. C
    Apply oil lightly
  4. D
    Heat regularly
Question 25Single Answer
What is the purpose of a surface plate in marking off?
  1. A
    Providing a flat reference surface
  2. B
    Cutting metal
  3. C
    Measuring angles
  4. D
    Drilling holes
Question 26Single Answer
What is the primary use of a try square?
  1. A
    Checking perpendicularity
  2. B
    Measuring lengths
  3. C
    Drilling holes
  4. D
    Cutting metal
Question 27Single Answer
What material is a try square blade typically made of?
  1. A
    Plastic
  2. B
    Hardened steel
  3. C
    Wood
  4. D
    Aluminum
Question 28Single Answer
How should a try square be maintained?
  1. A
    Store in a humid environment
  2. B
    Bend the blade slightly
  3. C
    Apply heavy grease
  4. D
    Keep blade clean and free of burrs
Question 29Single Answer
What is the function of an ordinary depth gauge?
  1. A
    Measuring angles
  2. B
    Cutting metal
  3. C
    Measuring depth of holes or recesses
  4. D
    Marking lines
Question 30Single Answer
What is the typical accuracy of a protractor?
  1. A
    10 degrees
  2. B
    0.1 degree
  3. C
    5 degrees
  4. D
    1 degree

Wireman

Question 31Single Answer
Resistance switching is normally resorted in case of
  1. A
    Air blast CB
  2. B
    Bulk oil CB
  3. C
    Minimum oil CB
  4. D
    All types of CB
Question 32Single Answer
By transmitting power at high voltage
  1. A
    it will give poor voltage regulation
  2. B
    it will give better voltage regulation
  3. C
    it will not effect voltage regulation
  4. D
    None of these
Question 33Single Answer
Which statement about the daily load curve is valid ?
  1. A
    The area under the curve gives the average demand
  2. B
    The ratio of the area under the curves to the total area of rectangle in which it is contained gives the load factor for the day
  3. C
    The peak of the curve gives the installed capacity of the plant
  4. D
    The area of the curves divided by the number of hours gives load factor
Question 34Single Answer
High voltage Schring bridge is used to measure
  1. A
    large capacitance without additional element
  2. B
    small capacitance without additional element
  3. C
    medium value capacitance
  4. D
    None of these
Question 35Single Answer
Draw - in - system of laying underground cables has the drawback (s) of
  1. A
    higher cost
  2. B
    reduced current carrying capacity of the cables
  3. C
    requirements of much deeper and wider trenches
  4. D
    repairs, alterations or additions difficult
  5. E
    all of the above except
Question 36Single Answer
Surge impedance of a transmission line is
  1. A
    independent of its length
  2. B
    dependent on its length
  3. C
    independent on its temperature
  4. D
    none of the above
Question 37Single Answer
If two synchronous generators connected in parallel loose synchronism, it will lead to
  1. A
    stalling of generators
  2. B
    wild fluctuations in current
  3. C
    wild fluctuations in current and voltage
  4. D
    None of these
Question 38Single Answer
A differential relay responds to
  1. A
    algebraic difference of two or more similar electrical quantities
  2. B
    vector difference of two or more similar electrical quantities
  3. C
    algebraic difference between two currents
  4. D
    algebraic difference between two voltages
Question 39Single Answer
The conductor carries more current on the surface in comparison to its core. This phenomenon is called the
  1. A
    Skin effect
  2. B
    Corona
  3. C
    Ferranti effect
  4. D
    Lenz's effect
Question 40Single Answer
A booster is connected in
  1. A
    series with the feeder
  2. B
    parallel with the feeder
  3. C
    both (a) and (b) are correct
  4. D
    none of these
Question 41Single Answer
Fuses have got advantages of
  1. A
    cheapest type of protection
  2. B
    inverse time - current characteristic
  3. C
    no maintenance
  4. D
    current limiting effect under short - circuit conditions
  5. E
    all of the above
Question 42Single Answer
The power transmitted will be maximum when
  1. A
    line reactance is high
  2. B
    corona losses are minimum
  3. C
    sending end voltage is more
  4. D
    receiving end voltage is more
Question 43Single Answer
The connected load of a consumer is 2 kW and his maximum demand is 1.5 kW. The load factor of the consumer is
  1. A
    0.75
  2. B
    0.375
  3. C
    1.33
  4. D
    None of these
Question 44Single Answer
In a transformer, the exciting current will be in phase quadrature with the impressed voltage provided
  1. A
    only the leakage impedance drop is ignored
  2. B
    only the core loss is ignored
  3. C
    both the leakage impedance drop and the core loss are ignored
  4. D
    only the no - load copper loss is ignored
Question 45Single Answer
Which of the following techniques is used for the measurements of a.c. high frequency voltages ?
  1. A
    Peak voltmeter
  2. B
    Series resistance mircro - ammeter
  3. C
    Resistance potential divider
  4. D
    All of these

Electrician

Question 46Single Answer
Which PPE is essential for protecting the head from falling objects?
  1. A
    Safety Glasses
  2. B
    Ear Plugs
  3. C
    Safety Helmet
  4. D
    Gloves
Question 47Single Answer
What type of gloves should be worn when handling live electrical equipment?
  1. A
    Leather Gloves
  2. B
    Rubber Insulated Gloves
  3. C
    Cotton Gloves
  4. D
    Mesh Gloves
Question 48Single Answer
Which PPE is crucial for protecting the eyes from flying debris and electrical arcs?
  1. A
    Face Shield
  2. B
    Earmuffs
  3. C
    Safety Shoes
  4. D
    Safety Glasses
Question 49Single Answer
What is the primary function of safety shoes?
  1. A
    Protect against heat
  2. B
    Protect against slips and falls
  3. C
    Protect against chemical splashes
  4. D
    Protect against noise
Question 50Single Answer
Why is it important to wear appropriate PPE when working on electrical equipment?
  1. A
    To look professional
  2. B
    To comply with company policy
  3. C
    To minimize the risk of injury
  4. D
    To impress colleagues
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