Vulcanization and Forming of Rubber, Adhesion Process and their Types MCQ

Test your knowledge with important Vulcanization and Forming of Rubber, Adhesion Process and their Types MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Vulcanization and Forming of Rubber, Adhesion Process and their Types MCQs on Bissoy. Bissoy App

• How is the shelf life of cyanoacrylate when unopened?
  ক

  10 days

  খ

  One month

  গ

  One year

  ঘ

  Lifetime
• ________ is defined as the amount of time that any product can be used once it has been opened.
  ক

  Aging

  খ

  Permeation

  গ

  Shelf life

  ঘ

  Transmission rate
• Animal glue, epoxy, and polyurethane are examples of ________
  ক

  Spray adhesives

  খ

  Fabric adhesives

  গ

  Super Glue

  ঘ

  Wood glues
• Blu Tack is used as a ________ adhesive.
  ক

  Contact

  খ

  Hot

  গ

  Reactive

  ঘ

  Pressure sensitive
• Dendrite is used as a ________ adhesive.
  ক

  Contact

  খ

  Hot

  গ

  Reactive

  ঘ

  Pressure sensitive
• _________ glue is used for curing with water.
  ক

  Epoxy

  খ

  Polyamide

  গ

  Silicone

  ঘ

  Polyurethane
• Araldite glue is primarily used in ________
  ক

  Plastics

  খ

  Automobile parts

  গ

  Textile

  ঘ

  Leathers
• Epoxy adhesives are widely used in _________
  ক

  Carpentry

  খ

  Plastics

  গ

  Glasses

  ঘ

  Steel
• Injection molding uses a _________ for unvulcanized rubber.
  ক

  Geneva mechanism

  খ

  Screw mechanism

  গ

  Dwell cam

  ঘ

  Linkage
• Which operation does the following figure portray?
  ক

  Calendering

  খ

  Milling

  গ

  Extrusion

  ঘ

  Trimming
• Warming up of a compound and feeding it to an extruder is the operation of _________
  ক

  Tubing

  খ

  Tumbling

  গ

  Buffing

  ঘ

  Trimming
• Which of these is not an ln operation of calendering?
  ক

  Sheeting

  খ

  Frictioning

  গ

  Skim coating

  ঘ

  Buffing
• ________ is the process of spreading sheets of compound over a fabric.
  ক

  Compression molding

  খ

  Extrusion

  গ

  Calendering

  ঘ

  Vacuum forming
• What is the tensile strength of vulcanized rubber?
  ক

  10 kg/cm2

  খ

  70 kg/cm2

  গ

  700 kg/cm2

  ঘ

  105 kg/cm2
• How much sulfur must be added to rubber for vulcanization?
  ক

  1-5%

  খ

  7-20%

  গ

  25-35%

  ঘ

  > 40%