MECHANICAL MODELS

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• Q1: What is Bench Vice?
  Ans: A Bench Vice is a mechanical device used to hold a workpiece tightly during operations like cutting, filing, or drilling.
  It is fixed on a workbench.
• Q2: Name the parts of Bench Vice.
  Ans: Parts of Bench Vice:

  • ➔ Fixed Jaw
  • ➔ Movable Jaw
  • ➔ Handle
  • ➔ Screw
  • ➔ Nut
  • ➔ Base
  • ➔ Slide
• Q3: State the purpose of Anvil in Bench Vice.
  Ans: The Anvil in a Bench Vice is used for light hammering and shaping metal workpieces.
  It provides a flat surface for small metal operations.
• Q4: What is Pipe Vice?
  Ans: A Pipe Vice is a tool used to hold pipes firmly during cutting, threading, or bending operations.
  It is specially designed for cylindrical objects.
• Q5: Name the types of Pipe Vice.
  Ans: Types of Pipe Vice:

  • ➔ Yoke Type Pipe Vice
  • ➔ Open Side Pipe Vice
  • ➔ Chain Pipe Vice
• Q6: Name the parts of Pipe Vice.
  Ans: Parts of Pipe Vice:

  • ➔ Base
  • ➔ Fixed Jaw
  • ➔ Movable Jaw
  • ➔ Handle (Tommy Bar)
  • ➔ Screw
  • ➔ Frame
• Q7: State the purpose of Tommy Bar in Pipe Vice.
  Ans: The Tommy Bar is used to rotate the screw of the pipe vice.
  It helps in tightening or loosening the pipe holding jaws.
• Q8: What is the Radial Engine?
  Ans: A Radial Engine is a type of internal combustion engine in which cylinders are arranged in a circular pattern around a central crankshaft.
  It is commonly used in aircraft.
• Q9: Name the types of Radial Engine.
  Ans: Types of Radial Engine:

  • ➔ Single Row Radial Engine
  • ➔ Double Row Radial Engine
  • ➔ Multi Row Radial Engine
• Q10: What is V-Block?
  Ans: A V-Block is a precision tool used to hold cylindrical workpieces during machining or inspection.
  It has a V-shaped groove for support.
• Q11: Name the types of V-Block.
  Ans: Types of V-Block:

  • ➔ Plain V-Block
  • ➔ Magnetic V-Block
  • ➔ Adjustable V-Block
• Q12: What is a Butterfly Valve?
  Ans: A Butterfly Valve is a flow control device used to regulate or stop fluid flow in pipes.
  It uses a rotating disc to control flow.
• Q13: Name the parts of the Butterfly Valve.
  Ans: Parts of Butterfly Valve:

  • ➔ Body
  • ➔ Disc
  • ➔ Stem
  • ➔ Seat
  • ➔ Actuator
  • ➔ Seals