Post test

1. Thermoplastic resin harden when

      
  1. Pressure is applied
    2. 

  2. Heat is applied
    3. 

  3. Reacting with suitable catalyst
    4. 

  4. All the above
    5.

2.Which mounting has longest curing time

      
  1. Epoxy
    2. 
  
  2. Acrylic
    3. 
  
  3. Polyester
    4. 
  
  4. None
    5.

3.Which resin is the most suitable resin in cold mounting process 

      
  1. Epoxy resin
    2. 
  
  2. Acrylic resin
    3. 
  
  3. Polyester resin
    4. 
  
  4. Both a and b are correct
    5.

4.The following cold mounting resin has the lowest shrinkag. 

      
  1. None
    2. 
  
  2. Polyester
    3. 
  
  3. Acrylic
    4. 
  
  4. Epoxy
    5.

5.Vacuum impregnation can be done in 

      
  1. Epoxy
    2. 
  
  2. Thermosetting 
    3. 
  
  3. Thermoplastic
    4. 
  
  4. Acrylic 
    5.

ANSWER KEY:

1.d) 2.a) 3.a) 4.d) 5.a)