A controller action in which there is a con-tinous relation between the values of controlled variable and the rate of change of conrolled output signal is called the __________ action. Proportional Derivative Integral None of these TRUE ANSWER : ? YOUR ANSWER : ?
Specific __________ is a dimensionless quantity. None of these Humidity Heat Weight TRUE ANSWER : ? YOUR ANSWER : ?
Transition from laminar flow to turbulent flow in fluid flow through a pipe does not depend upon the Density of the fluid Length of the pipe Diameter of the pipe Velocity of the fluid TRUE ANSWER : ? YOUR ANSWER : ?
Alloys having more than 80% copper are generally more Abrasion resistant Prone to season cracking Machinable Corrosion resistant TRUE ANSWER : ? YOUR ANSWER : ?
The heat treatment to which the steel wire containing > 0.25% carbon is subjected to is Patenting Full annealing Bright annealing None of these TRUE ANSWER : ? YOUR ANSWER : ?
Silicon crystal can be converted to p-type semi-conductor by doping with Boron Carbon Nitrogen Phosphorous TRUE ANSWER : ? YOUR ANSWER : ?
Filler material used in welding having the lowest melting point out of the following is Brazing spelter Aluminium Silver solder Soft solder TRUE ANSWER : ? YOUR ANSWER : ?
Toughness of a material is measured by the Vicker's hardness test Universal testing machine Notched bar test Scratch test TRUE ANSWER : ? YOUR ANSWER : ?
In radiative heat transfer, a grey surface is the one, which has Zero reflectivity Grey appearance to the eye Emissivity independent of wavelength Equal brightness in all directions TRUE ANSWER : ? YOUR ANSWER : ?
__________ is the hardest oxide and is hence used where high wear resistance at high temperature is required. Beryllia Alumina Magnesia Zirconia TRUE ANSWER : ? YOUR ANSWER : ?