Rough and irregular surface produced on the impressi... - Solved MCQs & Answer

The porosity formed due to simultaneous nucleation of solid grains and gas bubbles at the first moment that metal freezes at the mold walls is called________?

Ans: Subsurface porosityRead →

MCQ #508

Co-efficient of thermal expansion is highest for________?

Ans: Acrylic resinRead →

MCQ #45

Compressive stress is computed by dividing the external force by the________?

Ans: Area of the test specimen upon which the weight restsRead →