Fiber Content, Density and Void Content MCQ

Test your knowledge with important Fiber Content, Density and Void Content MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Fiber Content, Density and Void Content MCQs on Bissoy. Bissoy App

• Which of the method cannot be used to determine fiber volume fractions?
  ক

  Matrix digestion

  খ

  Ignition loss method

  গ

  Optical microscopy-based techniques

  ঘ

  Pultrusion
• The pores that remain unfilled with fibers and polymer in a composite material is called voids.
  ক

  False

  খ

  True
• ____________is defined as the arrangement of fibers in a composite, which not only influences the properties of the composite but also it’s processing.
  ক

  Fiber architecture

  খ

  Fiber planning

  গ

  Fiber alignment

  ঘ

  Fiber engineering
• A high void content usually leads to lower fatigue resistance.
  ক

  True

  খ

  False
• Which standard can be used for determining the fiber volume fraction by comparing the electrical resistivity of the composite with the fibers?
  ক

  ASTM D3039

  খ

  ASTM D3359

  গ

  ASTM D3355

  ঘ

  ASTM D3350
• Which liquid medium is used for dissolving matrix in matrix digestion method?
  ক

  Sulfuric acid

  খ

  Conc. Nitric acid

  গ

  Hydrochloric acid

  ঘ

  Perchloric acid
• What is ASTM D2584?
  ক

  Test Method for Ignition Loss of Cured Reinforced Resins

  খ

  Test Methods for Constituent Content of Composite Materials

  গ

  Test Methods for Constituent Content of Composite Prepreg

  ঘ

  Test Method for Tensile Properties of Polymer Matrix Composite Materials
• The ____________ is used for PMC-containing fibers that do not lose weight at high temperatures, such as glass fibers.
  ক

  matrix digestion method

  খ

  ignition loss method

  গ

  flexure method

  ঘ

  void content test
• What does ASTM stand for?
  ক

  American Society for Testing and Materials

  খ

  American Standard for Testing and Materials

  গ

  American System for Testing and Materials

  ঘ

  American Standard for Testing and Making
• The fiber weight fraction can be experimentally determined by ____________
  ক

  ASTM D3171

  খ

  ASTM D3172

  গ

  ASTM D3039

  ঘ

  ASTM D3951