Microscopic Examination MCQ

Test your knowledge with important Microscopic Examination MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Microscopic Examination MCQs on Bissoy. Bissoy App

• Which of the following is not the structural characteristic of a polycrystalline specimen?
  ক

  Shape

  খ

  Average size

  গ

  Reactivity
• What is the full form of ASTM?
  ক

  American society for testing and materials

  খ

  African society for testing and materials

  গ

  American society for torque and momentum forces
• What is the range of grain size number in case of ASTM?
  ক

  1 to 10

  খ

  1 to 100

  গ

  1 to 1000
• Which of the following method is commonly used to determine grain size?
  ক

  Precipitation

  খ

  Standard comparison charts

  গ

  Densification
• Which type of microscopic technique has been developed that generate topographical maps representing the surface features and characteristics of the specimen?
  ক

  Optical

  খ

  Ultrasonic

  গ

  Electron
• Which technique is used to determine the grain size of polycrystalline materials?
  ক

  Photo micrographic technique

  খ

  Positron annihilation technique

  গ

  Measuring resistivity after quenching
• Which of the following microscope are not used for microscopy?
  ক

  Optical

  খ

  Ultrasonic

  গ

  Electron
• Which of the following is not an important application of microstructure examination?
  ক

  To ensure that the associations between the properties and structure (and defects) are properly understood

  খ

  To predict the properties of materials once these relationships have been established

  গ

  To design alloys with new property combinations
• For grain size number (ASTM) which of the following is true?
  ক

  Size of grains with grain size no 8 will be more than that of grain size no 5

  খ

  Size of grains with grain size no 6 will be more than that of grain size no 7

  গ

  Size of grains with grain size no 6 will be more than that of grain size no 2
• Calculate the average number of grains per square inch at a magnification of 100. Consider grain number is 40?
  ক

  5.49*109

  খ

  5.49*107

  গ

  5.49*1011