Materials and Construction Presence of 0.3 to 0.5% arsenic in copper increases its Electrical conductivity Ductility Tenacity & hardness Malleability Electrical conductivity Ductility Tenacity & hardness Malleability ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ability of a material to __________ is indicated by its damping capacity. Withstand compression None of these Absorb shock Absorb vibration Withstand compression None of these Absorb shock Absorb vibration ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Babbit metal used for making bearings should have 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 Ability to retain lubricant on its surface Both B & C High-co-efficient of friction between journal and bearing ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Diamagnetic materials are magnetised Strongly With eddy currents only In a direction opposite to that of the applied field Only slightly Strongly With eddy currents only In a direction opposite to that of the applied field Only slightly ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead Can not be scratched by finger nails Is the hardest metal in common use Is the lightest metal in common use Can not be work hardened Can not be scratched by finger nails Is the hardest metal in common use Is the lightest metal in common use Can not be work hardened ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Aluminium alloy is one of the most suitable materials of construction for aircrafts mainly due to its Low temperature strength properties High strength to weight ratio Its ability to be cast, rolled, forged & stamped High strength and corrosion & oxidation-resistance at elevated temperature Low temperature strength properties High strength to weight ratio Its ability to be cast, rolled, forged & stamped High strength and corrosion & oxidation-resistance at elevated temperature ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS