Materials and Construction Austenitic manganese steel used for making jaws of crushing machines contains about __________ percent manganese. 44179 44021 1.5-2 3.5-4.5 44179 44021 1.5-2 3.5-4.5 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is a donor impurity for semi-conductors. Gallium Antimony None of these Boron Gallium Antimony None of these Boron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is produced by condensation polymerisation? Bakelite Polythene Polystyrene Poly vinyl chloride Bakelite Polythene Polystyrene Poly vinyl chloride ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction For handling sulphuric acid of 95% strength, the suitable material of construction for pipes is Aluminium Nickel Stainless steel Cast iron Aluminium Nickel Stainless steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Zinc is highly __________ at room temperature. Brittle Resistant to atmospheric corrosion Malleable Ductile Brittle Resistant to atmospheric corrosion Malleable Ductile ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The main constituent of carborundum is __________ carbide. Boron Silicon Calcium Aluminium Boron Silicon Calcium Aluminium ANSWER DOWNLOAD EXAMIANS APP