Material Removal Rate and Process parameters MCQ

Test your knowledge with important Material Removal Rate and Process parameters MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Material Removal Rate and Process parameters MCQs at Bissoy

• In AJM, surface roughness value will vary between which values?
  ক

  0.01 – 0.10 µm

  খ

  0.15 – 1.5 µm

  গ

  2.0 – 5.0 µm

  ঘ

  7.0 – 10.0 µm
• What are the tolerance limit values in Abrasive water jet machining?
  ক

  ± 0.01 mm

  খ

  ± 0.03 mm

  গ

  ± 0.05 mm

  ঘ

  ± 0.07 mm
• In AJM, what is the life of synthetic sapphire material nozzle?
  ক

  100 hrs

  খ

  300 hrs

  গ

  500 hrs

  ঘ

  700 hrs
• What is the life of Tungsten carbide material nozzle?
  ক

  1 – 8 hrs

  খ

  2 – 5 hrs

  গ

  10 – 15 hrs

  ঘ

  25 – 40 hrs
• Which of the following values, does the diameter of the nozzle lies between?
  ক

  0.01 – 0.10 mm

  খ

  0.30 – 0.50 mm

  গ

  0.70 – 0.90 mm

  ঘ

  1.10 – 1.50 mm
• Which of the following material/s cannot be used for making of nozzle in Abrasive jet machining?
  ক

  Tungsten Carbide

  খ

  Steel alloy

  গ

  Sapphire

  ঘ

  Synthetic sapphire
• What is the value of carrier gas flow rate in Abrasive jet machining?
  ক

  6 L/min

  খ

  17 L/min

  গ

  28 L/min

  ঘ

  39 L/min
• What must be the velocity of the carrier gas that carries the abrasive particles?
  ক

  10 – 50 m/sec

  খ

  50 – 150 m/sec

  গ

  150 –300 m/sec

  ঘ

  300 – 500 m/sec
• What is the value of abrasive grain flow rate in Abrasive jet machining?
  ক

  0.1 – 2 g/min

  খ

  3 – 20 g/min

  গ

  30 – 56 g/min

  ঘ

  68 – 85 g/min
• As the abrasive flow rate increases, what happens to the volumetric removal rate?
  ক

  Increases

  খ

  Decreases

  গ

  Increase and then decrease

  ঘ

  Decrease and then increase
• In the following properties of abrasive grains, which of them changes rate of material removal?
  ক

  Size

  খ

  Strength

  গ

  Shape

  ঘ

  All of the mentioned
• In the following properties of nozzle, which of them does not influence the MRR?
  ক

  Size

  খ

  Wear

  গ

  Outside temperature

  ঘ

  Distance from work piece
• Which of the following components, influence the material removal rate in Abrasive jet machining?
  ক

  Nozzle

  খ

  Carrier gas

  গ

  Abrasive grains

  ঘ

  All of the mentioned
• In AJM, abrasive jet from the nozzle follows, which type of path for a short distance?
  ক

  Parallel

  খ

  Inclined

  গ

  Perpendicular

  ঘ

  None of the mentioned
• In AJM, what is the mechanism of removal of material from the work piece?
  ক

  Corrosion

  খ

  Abrasion

  গ

  Electron transfer

  ঘ

  Vaporization