Abrasive jet Machining MCQ

Test your knowledge with important Abrasive jet Machining MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Abrasive jet Machining MCQs at Bissoy

• Masks, which are used to confine the jet stream location on work piece are made of, which type of materials?
  ক

  Copper

  খ

  Glass

  গ

  Rubber

  ঘ

  All of the mentioned
• In machining system of AJM, which of the following controls the relative motion between work piece and nozzle?
  ক

  Cam drives

  খ

  Pantographs

  গ

  Trace mechanisms

  ঘ

  All of the mentioned
• State whether the following statement is true or false. “In Abrasive jet machining, commercial grades powders can be used for machining.”
  ক

  True

  খ

  False
• What are the processes where Abrasive jet machining can be used?
  ক

  Cleaning

  খ

  Cutting

  গ

  Deburring

  ঘ

  All of the mentioned
• In Abrasive jet machining, what may be the size of the abrasive grains used?
  ক

  10 – 40 µm

  খ

  50 – 100 µm

  গ

  100 – 150 µm

  ঘ

  200 – 300 µm
• What is the frequency of mixing chamber, consisting of gas and abrasives?
  ক

  10 Hz

  খ

  30 Hz

  গ

  50 Hz

  ঘ

  70 Hz
• Which of the following gas, should never be used as the carrier of abrasives?
  ক

  Nitrogen

  খ

  CO2

  গ

  Oxygen

  ঘ

  Air
• What is the pressure of gas that is to be supplied, for carrying the abrasives?
  ক

  0.1 to 1.0 kg/cm2

  খ

  2.0 to 8.0 kg /cm2

  গ

  10.0 to 18.0 kg/cm2

  ঘ

  25.0 to 35.5 kg/cm2
• In machining system of AJM, what is/are the gas/es used for carrying the abrasives?
  ক

  CO2

  খ

  Air

  গ

  Nitrogen

  ঘ

  All of the mentioned
• In machining system of AJM, which is the medium of carrying the abrasive grains for machining?
  ক

  Liquids

  খ

  Gases

  গ

  Any fluids

  ঘ

  None of the mentioned
• Which type of materials can be machined using Abrasive jet machining?
  ক

  Glass

  খ

  Ceramics

  গ

  Hard materials

  ঘ

  All of the mentioned
• In Abrasive jet machining, work piece material of removed by which of the following means?
  ক

  Vaporization

  খ

  Electro plating

  গ

  Mechanical abrasion

  ঘ

  Corrosion
• In AJM, which of the following materials are used as abrasive grains?
  ক

  Al2O3

  খ

  SiC

  গ

  Glass beads

  ঘ

  All of the mentioned
• In advanced machining processes, what is the full form of AJM?
  ক

  Automatic Jet Manufacturing

  খ

  Abrasive Jet Machining

  গ

  Automated Jet Machining

  ঘ

  Abrasive Jet Manufacturing
• High abrasive flow rate decreases the life of nozzle in the abrasive machining process.
  ক

  True

  খ

  False
• Mixing ratio in abrasive jet machining is defined as a ratio of
  ক

  Mass flow rate of abrasive to mass flow rate of gas

  খ

  Mass flow rate of gas to mass flow rate of abrasive

  গ

  Velocity of gas to velocity of abrasive

  ঘ

  None of the mentioned
• Metal removal rate in abrasive jet machining increases with
  ক

  Increase in abrasive flow rate

  খ

  Decrease in abrasive flow rate

  গ

  Decrease in grain size of abrasives

  ঘ

  Increase in grain size of abrasives
• Abrasive jet machining process can be used for
  ক

  Conductors

  খ

  Insulators

  গ

  Metals

  ঘ

  All of the mentioned