The number of dislocations increases drastically during              

Related MCQs

• Generation of dislocations can be identified using                
• What term is used for the defect, produced by an array of dislocations that produces a small difference in orientation between the adjoining lattices?
• Most crystalline materials have dislocations in their as formed state.
• In which of the following the angle of twist increases fast for a small amount of torque?
• The probability of spontaneous emission increases rapidly with the energy difference between the two states.
• Presence of moisture in the thermal insulating material increases thermal insulation while the presence of air spaces decreases thermal insulation.
• Crystallinity increases with increasing rate of cooling of a liquid.
• The black grille on the back of a refrigerator has a surface temperature of 35°C with a surface area of 1 m2. Heat transfer to the room air at 20°C takes place with convective heat transfer coefficient of 15 W/Km^2. How much energy is removed during 15 minutes of operation?
• Overheat protection is done by passing hot water through collector during night.
• During TEM, a vacuum is created inside the