Materials and Construction Babbit metal used for making bearings should have Ability to retain lubricant on its surface Both B & C High-co-efficient of friction between journal and bearing Low co-efficient of friction between journal and bearing Ability to retain lubricant on its surface Both B & C High-co-efficient of friction between journal and bearing Low co-efficient of friction between journal and bearing ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is a light alloy? German silver Babbit metal Dow metal Monel metal German silver Babbit metal Dow metal Monel metal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction As the impurities are oxidised, the melting point of iron May increase or decrease ; unpredictable Remains unchanged Increases Decreases May increase or decrease ; unpredictable Remains unchanged Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Corrosion involves exchange of electrons in __________ corrosion. Electrochemical Neither A nor B Both A & B Chemical Electrochemical Neither A nor B Both A & B Chemical ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Creep is not exhibited at low temperature by Rubber Acrylics Plastics Lead Rubber Acrylics Plastics Lead ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Residual magnetism in steel for magnets is increased by the addition of Nickel Chromium Tungsten Cobalt Nickel Chromium Tungsten Cobalt ANSWER DOWNLOAD EXAMIANS APP