Materials and Construction Super conductors are those substances, which Offer no resistance to current flow Conduct electricity at high temperature Conduct electricity at low temperature Offer high resistance to current flow Offer no resistance to current flow Conduct electricity at high temperature Conduct electricity at low temperature Offer high resistance to current flow ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The material of construction of bearings is Pig iron Babbit metal Steel Cast iron Pig iron Babbit metal Steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Locomotive boiler tubes are made of __________ alloys. Aluminium Nickel Arsenic copper Magnesium Aluminium Nickel Arsenic copper Magnesium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Invar contains the highest percentage of Vanadium Cobalt Iron Tungsten Vanadium Cobalt Iron Tungsten ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Anodic material used for the cathodic protection of underground buried steel pipeline is Zinc or magnesium Nickel or copper Brass Bronze Zinc or magnesium Nickel or copper Brass Bronze ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead pipe is Usually joined by burning (e.g. by melting to adjacent pieces with a torch) Especially resistant to solutions containing H₂SO₄ Having very low elastic limit resulting in permanent deformation from either mechanical or thermal strain All of these Usually joined by burning (e.g. by melting to adjacent pieces with a torch) Especially resistant to solutions containing H₂SO₄ Having very low elastic limit resulting in permanent deformation from either mechanical or thermal strain All of these ANSWER DOWNLOAD EXAMIANS APP