Q. Which of the following is a requirement for thermal insulation in materials?

View solution

Q. How does moisture affect the thermal insulation of a body?

View solution

Q. Which of the following is an example of organic insulating material?

View solution

Q. An insulating material named 85% magnesia can be used up to temperatures of _______

View solution

Q. An insulating material made from ______ is preferred for applications where vibration resistance is vital.

View solution

Q. A cork insulation with a waterproof binder is used for _______ surfaces.

View solution

Q. Which of the following is a cause for an increase in insulation?

View solution

Q. An electrically insulating material has a resistivity that is ____ times greater than that of copper.

View solution

Q. The resistance of an insulating material ______ as the temperature increases.

View solution

Q. Ionic conductivity of a material can be increased by _______

View solution

Q. Cork has a low thermal conductivity of _____ W/m K.

View solution

Q. The measure of loss of energy in a material is defined as _____

View solution

Q. Which of the following is both a good electrical insulator and thermal conductor?

View solution

Q. The insulating materials resist degradation by stability against chemical reaction over ________

View solution

Q. Cellular concrete is used for ______ insulation.

View solution

Q. Which insulating material does a combination of magnesium oxychloride and gelatin produce?

View solution

Q. Which of the following is an application of asbestos?

View solution

Q. What kind of mineral is Chrysotile?

View solution

Q. Which of the following is a characteristic of asbestos minerals?

View solution

Q. What is the specific heat of Chrysotile?

View solution