Ceramics MCQ

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

• Which ceramic material does Si3Al3O3N5 denote?
  ক

  Silicon carbide

  খ

  Silicon nitride

  গ

  Sialon

  ঘ

  Silicon alumino nitrate
• How much of a stabilizing oxide is present in partially stabilized zirconium?
  ক

  5%

  খ

  10%

  গ

  18%

  ঘ

  24%
• Partially stabilized zirconia does not exist in which crystalline structure?
  ক

  Cubic

  খ

  Tetragonal

  গ

  Hexagonal

  ঘ

  Monocyclic
• Which of the following is not a type of silicon nitride ceramics?
  ক

  Reaction bonded silicon nitride

  খ

  Hot pressed silicon nitride

  গ

  Stiff silicon nitride

  ঘ

  Pressure-less sintered silicon nitride
• Silicon carbides resist oxidation up to ______
  ক

  100oC

  খ

  500oC

  গ

  1000oC

  ঘ

  1500oC
• What is the coefficient of thermal expansion of silicon carbide?
  ক

  9 * 10-6

  খ

  4.3 * 10-6

  গ

  3.2 * 10-6

  ঘ

  10.6 * 10-6
• Which among the following exhibits the highest thermal conductivity?
  ক

  Alumina

  খ

  Silicon carbide

  গ

  Silicon nitride

  ঘ

  Sialon
• What is the tensile strength of aluminum oxide?
  ক

  175 MPa

  খ

  210 MPa

  গ

  415 MPa

  ঘ

  550 MPa
• Which class of engineering ceramics generally includes lubricant materials?
  ক

  Sulphides

  খ

  Carbides

  গ

  Metalloids

  ঘ

  Intermetallics
• Which material is commonly used in electronic devices?
  ক

  Alumina

  খ

  Titania

  গ

  Silica

  ঘ

  Germanium
• Which of the following is not a step in making ceramics?
  ক

  Powder pressing

  খ

  Sintering

  গ

  Alloying

  ঘ

  Vitrification
• Diamond and corundum are examples of _____ ceramics.
  ক

  glass

  খ

  stone

  গ

  refractories

  ঘ

  abrasives
• Porcelain is a type of ______ ceramic.
  ক

  whiteware

  খ

  stone

  গ

  abrasive

  ঘ

  cement
• Which of the following is a property of ceramics?
  ক

  Low strength

  খ

  Low melting point

  গ

  Resistant to corrosion

  ঘ

  Bad insulation
• What is the chemical reaction employing calcium hydroxide and hydrogen phosphate, yielding nanocrystals of Hydroxyapatite, known?
  ক

  Wet chemical deposition

  খ

  Mechanochemical Synthesis

  গ

  Reverse Microemulsions

  ঘ

  Flame Spray Synthesis.
• Which of the following ceramic nanoparticles is not used in gene delivery?
  ক

  Calcium carbonate

  খ

  Lead monoxide (PbO)

  গ

  Silica

  ঘ

  Calcium phosphate
• Ceramic nanoparticles are classified into three groups – ceramic nanoparticles, ceramic nanoscaffolds and ceramic nanoclays.
  ক

  False

  খ

  True
• Which ceramic nanoparticle when used as a thermal barrier coating in pure form can lead to catastrophe?
  ক

  Zirconia

  খ

  Alumina

  গ

  Mullite

  ঘ

  Hydroxyapatite
• Which 3D structure provides mechanical support for growing cells and tissues and also allows the interaction of cells and extracellular matrices minimizing cellular environment?
  ক

  Nano – Clays

  খ

  Nano – Scaffolds

  গ

  Nanometals

  ঘ

  Nanosemiconductors
• There have been recent advances in biomedical application for tissue engineering and bone repair owing to the different advantageous properties shown by ceramic nano-scaffolds. Which of the following property is not one of them?
  ক

  High Porosity

  খ

  High reactivity

  গ

  Greater Surface area

  ঘ

  High Structural Stability
• Silica nanoparticles are synthesized by Reverse Micro-Emulsion method. There are a few drawbacks of this technique. Which of the following is not one of them?
  ক

  Expensive

  খ

  Difficulties faced during removal of surfactants from final product

  গ

  Formation of agglomeration free nanoparticles

  ঘ

  Loss of disparity of the nanoparticles
• Hybrid nanospheres with this ceramic quantum dots possess efficient sensitivity and high selectivity that is used for donating and real time detecting nitric oxide. Which ceramic particle is it?
  ক

  Titanium oxide

  খ

  Zirconium

  গ

  Cadmium-selenide

  ঘ

  Sodium bicarbonate
• Shape of nanoceramic depends upon their preparation methods.
  ক

  True

  খ

  False
• High temperature flame decomposition of metal organic precursors produces silica nanoparticles. What is this process known as?
  ক

  Sol gel method

  খ

  Chemical vapour condensation

  গ

  Hydrothermal Synthesis

  ঘ

  Citrate method
• For the treatment of which disease ceramic nanoparticles are not used?
  ক

  Osteoporosis

  খ

  Whooping Cough

  গ

  Cancer

  ঘ

  Glaucoma
• These ceramic nanoparticles are surface functionalized with arginin-glycine-aspartic acid peptide ligands and radioiodine. They exhibit higher affinity and residence in tumours and peripherial blood fluids. What are they?
  ক

  Mesoporous silica nanoparticles

  খ

  Hydroxyapatite

  গ

  Multimodal silica nanoparticles

  ঘ

  Solid silica nanoparticles
• Which among the following properties is not shown by ceramic nanoparticles?
  ক

  Superplasticity

  খ

  Ferromagnetism

  গ

  Pyroelectricity

  ঘ

  Paramagnetism
• Which ceramic nano particle can rebound to its original state after repeated crushing without any structural damage?
  ক

  Nanotruss

  খ

  Polyethylene Glycol (PEG)

  গ

  Titanium Oxide

  ঘ

  Hydroxyapatite
• Which of the following methods do not form ceramic nano particles?
  ক

  Sol gel

  খ

  Sintering

  গ

  Reverse micro emulsion

  ঘ

  Saponification