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Objective Questions

Latest BTSC ITI Instructor Machinist Exam Question (Objective Questions), MCQ in English

Subjects : Machinist, General Studies & Current Affairs

Question Bank BTSC ITI Instructor (Machinist) 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 slotter’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 slotter’s ram?
  1. A
    Worktable
  2. B
    Cutting tool holder
  3. C
    Base
  4. D
    Feed mechanism
Question 16Single Answer
Which mechanism drives the ram in a slotter?
  1. A
    Crank and slotted link mechanism
  2. B
    Hydraulic drive
  3. C
    Pneumatic drive
  4. D
    Belt drive
Question 17Single Answer
What is the typical tool angle for a slotting tool?
  1. A
    5–10° rake angle
  2. B
    15–20° rake angle
  3. C
    25–30° rake angle
  4. D
    35–40° rake angle
Question 18Single Answer
Which job holding device is used for flat workpieces on a slotter?
  1. A
    Vice
  2. B
    V-block
  3. C
    Parallel block
  4. D
    Magnetic chuck
Question 19Single Answer
What is the primary advantage of a quick return mechanism in a slotter?
  1. A
    Improves machining efficiency
  2. B
    Increases tool life
  3. C
    Reduces workpiece weight
  4. D
    Simplifies indexing
Question 20Single Answer
Which type of spline is used for high-torque applications?
  1. A
    Straight-sided spline
  2. B
    Square spline
  3. C
    Serrated spline
  4. D
    Involute spline
Question 21Single Answer
What is a key safety precaution for slotter operation?
  1. A
    Keep hands near the cutting tool
  2. B
    Operate without safety guards
  3. C
    Ensure the machine is properly lubricated
  4. D
    Use dull tools
Question 22Single Answer
What is the function of the base in a slotter?
  1. A
    Holds the cutting tool
  2. B
    Supports the entire machine
  3. C
    Drives the ram
  4. D
    Indexes the workpiece
Question 23Single Answer
Which type of slotter is used for heavy-duty work?
  1. A
    Puncher slotter
  2. B
    Precision slotter
  3. C
    Toolroom slotter
  4. D
    Production slotter
Question 24Single Answer
What is the purpose of a parallel block in a slotter?
  1. A
    To hold cylindrical workpieces
  2. B
    To drive the ram
  3. C
    To provide height adjustment for flat workpieces
  4. D
    To cool the tool
Question 25Single Answer
Which slotting tool is used for finishing operations?
  1. A
    Roughing tool
  2. B
    Side and face cutter
  3. C
    Parting tool
  4. D
    Finishing tool
Question 26Single Answer
What is the primary use of a serrated spline?
  1. A
    High-speed applications
  2. B
    Low-torque applications
  3. C
    Decorative finishing
  4. D
    Locking mechanisms
Question 27Single Answer
What is a key feature of the slotter’s driving mechanism?
  1. A
    Reciprocating motion
  2. B
    Continuous motion
  3. C
    Oscillating motion
  4. D
    Rotary motion
Question 28Single Answer
Which job holding device is used for irregular workpieces on a slotter?
  1. A
    Vice
  2. B
    Clamp
  3. C
    V-block
  4. D
    Parallel block
Question 29Single Answer
What is the typical clearance angle for a slotting tool?
  1. A
    10–15°
  2. B
    5–10°
  3. C
    15–20°
  4. D
    20–25°
Question 30Single Answer
What is the primary advantage of a slotter over a milling machine?
  1. A
    Higher cutting speed
  2. B
    Lower cost
  3. C
    Precision in cutting internal slots
  4. D
    Faster setup time
Question 31Single Answer
Which type of slotter is used for small, precise jobs?
  1. A
    Toolroom slotter
  2. B
    Puncher slotter
  3. C
    Production slotter
  4. D
    Heavy-duty slotter
Question 32Single Answer
What is the purpose of indexing in a slotter?
  1. A
    To adjust ram speed
  2. B
    To cool the workpiece
  3. C
    To hold the cutting tool
  4. D
    To position the workpiece for multiple cuts
Question 33Single Answer
Which mechanism ensures quick return in a slotter?
  1. A
    Slotted link mechanism
  2. B
    Hydraulic mechanism
  3. C
    Pneumatic mechanism
  4. D
    Belt drive mechanism
Question 34Single Answer
What is a key safety point for slotter operation?
  1. A
    Operate at maximum feed rate
  2. B
    Ignore workpiece clamping
  3. C
    Use worn-out tools
  4. D
    Ensure proper machine guarding
Question 35Single Answer
Which type of spline has curved teeth for smooth engagement?
  1. A
    Involute spline
  2. B
    Straight-sided spline
  3. C
    Serrated spline
  4. D
    Square spline
Question 36Single Answer
What is the function of the table in a slotter?
  1. A
    Holds the cutting tool
  2. B
    Supports and positions the workpiece
  3. C
    Drives the ram
  4. D
    Cools the tool
Question 37Single Answer
Which slotting tool is used for cutting narrow slots?
  1. A
    Round nose tool
  2. B
    Side and face cutter
  3. C
    Parting tool
  4. D
    Form tool
Question 38Single Answer
What is the typical speed ratio for a slotter’s quick return mechanism?
  1. A
    3:2
  2. B
    2:1
  3. C
    1:1
  4. D
    4:1
Question 39Single Answer
Which job holding device is used for precise alignment on a slotter?
  1. A
    Vice
  2. B
    Parallel block
  3. C
    V-block
  4. D
    Magnetic chuck
Question 40Single Answer
What is a key advantage of a slotter’s rotary table?
  1. A
    Increases cutting speed
  2. B
    Allows angular and circular cuts
  3. C
    Reduces tool wear
  4. D
    Simplifies tool changing
Question 41Single Answer
Which type of slotter is used for high-volume production?
  1. A
    Puncher slotter
  2. B
    Production slotter
  3. C
    Toolroom slotter
  4. D
    Precision slotter
Question 42Single Answer
What is the primary function of a slotting tool’s rake angle?
  1. A
    Increases tool wear
  2. B
    Reduces cutting force
  3. C
    Adjusts workpiece position
  4. D
    Controls feed rate
Question 43Single Answer
Which spline type is used for low-cost applications?
  1. A
    Involute spline
  2. B
    Serrated spline
  3. C
    Straight-sided spline
  4. D
    Helical spline
Question 44Single Answer
What is a key safety precaution when setting up a slotter?
  1. A
    Check tool sharpness and alignment
  2. B
    Use loose clamps
  3. C
    Operate without lubrication
  4. D
    Ignore machine guards
Question 45Single Answer
What is the function of the column in a slotter?
  1. A
    Supports the workpiece
  2. B
    Holds the cutting tool
  3. C
    Houses the driving mechanism
  4. D
    Adjusts feed rate
Question 46Single Answer
Which slotting tool is used for complex profiles?
  1. A
    Round nose tool
  2. B
    Side and face cutter
  3. C
    Form tool
  4. D
    Parting tool
Question 47Single Answer
What is the primary use of a V-block in a slotter?
  1. A
    Supports cylindrical workpieces
  2. B
    Holds flat workpieces
  3. C
    Adjusts ram speed
  4. D
    Cools the tool
Question 48Single Answer
What is the typical rake angle for a slotting tool used on steel?
  1. A
    5–10°
  2. B
    10–15°
  3. C
    20–25°
  4. D
    15–20°
Question 49Single Answer
Which mechanism adjusts the stroke length in a slotter?
  1. A
    Feed mechanism
  2. B
    Crank mechanism
  3. C
    Hydraulic mechanism
  4. D
    Slotted link mechanism
Question 50Single Answer
What is a key feature of a puncher slotter?
  1. A
    High precision
  2. B
    Heavy-duty construction
  3. C
    Low cost
  4. D
    Small size
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