1. Which of the following does not combine with fiber to give composites?
Correct Answer is : Non-metals
2. Which of the following is not a property of matrix materials which are modified by adding particulate fillers?
Correct Answer is : Decrease in surface hardness
3. What is aspect ratio?
Correct Answer is : Length to diameter ratio
4. Which of the following type of composite is not classified under the category of number of layers?
Correct Answer is : Glass-fibre reinforced
5. Select the incorrect statement from the following option.
Correct Answer is : Core material should be heavy-weight and low corrosion resistance