Materials and Construction Telfon (PTFE) is corroded by None of these Hydrochloric acid (10%) Hydrochloric acid (95%) Sulphuric acid None of these Hydrochloric acid (10%) Hydrochloric acid (95%) Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Locomotive boiler tubes are made of __________ alloys. Aluminium Magnesium Arsenic copper Nickel Aluminium Magnesium Arsenic copper Nickel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ability of a material to __________ is indicated by its damping capacity. Withstand compression Absorb vibration None of these Absorb shock Withstand compression Absorb vibration None of these Absorb shock ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Molybdenum steels containing 0.15 to 0.40% molybdenum Have very poor fatigue resistance Are used for automobile parts like gears, axle, shaft, bearings etc Are prone to temper brittleness Do not contain nickel or chromium or both Have very poor fatigue resistance Are used for automobile parts like gears, axle, shaft, bearings etc Are prone to temper brittleness Do not contain nickel or chromium or both ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast iron is Used for making shock resisting parts Having compressive strength more than its tensile strength All of these Manufactured in cupola and is brittle Used for making shock resisting parts Having compressive strength more than its tensile strength All of these Manufactured in cupola and is brittle ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following finds the least commercial use? High silicon iron High carbon steel Low carbon steel Pure iron High silicon iron High carbon steel Low carbon steel Pure iron ANSWER DOWNLOAD EXAMIANS APP