Materials and Construction An alloy used as thermocouple material comprises of 40% nickel and 60% copper. Kanthal German silver Chromel Constantan Kanthal German silver Chromel Constantan ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead is Used as a shock absorber (in mattress form) between the foundation an steel framework of skyscrapper buildings Not used as pigment (in its compound forms) for paints Used as a cathodic material Not resistant to corrosion Used as a shock absorber (in mattress form) between the foundation an steel framework of skyscrapper buildings Not used as pigment (in its compound forms) for paints Used as a cathodic material Not resistant to corrosion ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following has the least value of ultimate tensile strength (UTS)? Wrought iron Cast iron High carbon steel Medium carbon steel Wrought iron Cast iron High carbon steel Medium carbon steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Babbit metal used for making bearings should have Ability to retain lubricant on its surface High-co-efficient of friction between journal and bearing Low co-efficient of friction between journal and bearing Both B & C Ability to retain lubricant on its surface High-co-efficient of friction between journal and bearing Low co-efficient of friction between journal and bearing Both B & C ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Containers made of high silicon cast iron (14% Si) are not suitable for the storage of Benzoic & boric acids Acetic acid Phosphoric acid (95%) & sulphuric acid (95%) Hydrochloric acid (concentrated) Benzoic & boric acids Acetic acid Phosphoric acid (95%) & sulphuric acid (95%) Hydrochloric acid (concentrated) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Mild steel is A low carbon steel (0.05 to 0.3% carbon) Highly resistant to corrosion (as much as stainless steel) A high carbon steel (0.5 to 1.5% carbon) Very poor in strength & ductility A low carbon steel (0.05 to 0.3% carbon) Highly resistant to corrosion (as much as stainless steel) A high carbon steel (0.5 to 1.5% carbon) Very poor in strength & ductility ANSWER DOWNLOAD EXAMIANS APP