A. 0.5 to 1%
B. 1 – 2%
C. 2.5 to 4.5%
D. 5 – 7%
E. 7-9%.
Correct Answer: 2.5 to 4.5% ✔
Last Updated: May 18, 2023
Related MCQs
- Pick up the wrong statement?
- Bell metal contains__________?
- The correct sequence for descending order of machinability is __________?
- Aluminium bronze contains aluminium and copper in the ratio of__________?
- Muntz metal contains copper and zinc in the ratio of__________?
- Perminvar alloy having constant permeability is an alloy of__________?
- Monel metal contains__________?
- DuraJomin contains__________?
- Phosphor bronze contains__________?
- Delta metal is an alloy of__________?
- Which of the following alloys does not contain tin__________?
- Addition of copper to aluminium results in__________?
- Elinvar, an alloy used in precision instruments, hair springs for watches, etc. contains the following element as principal alloying element__________?
- Addition of lead and bismuth to aluminium results in__________?
- Constantant an alloy used in thermocouples is an alloy of __________?
- German silver contains__________?
- Dow metal contains__________?
- Age-hardening is related with__________?
- Babbit metal is a__________?
- Acidic solution is one which has pH value__________?
- Following elements have face-centred cubic structure__________?
- The transistor is made of__________?
- Pearlite is a combination of__________?
- Lead is poured into the joint between two pipes. These pipes may be made of__________?
- Austenite rs a combination of__________?
- Recrystallisation temperature can belowered by__________?
- Basic solution is one which has pH value__________?
- Neutral solution is one which has pH value__________?
- The correct composition of Babbit metal is__________?
- Aluminium bronze contains__________?
- Foundry crucible is made of__________?
- Which of the following has highest specific strength of all structural materials__________?
- White metal contains__________?
- Addition of silicon to aluminium results in__________?
- Which of the following alloys does not have copper as one of the constituents__________?
- Addition of manganese to aluminium results in__________?
- Which is false statement about properties of aluminium __________?
- Admiralty gun metal contains__________?
- Free cutting steels__________?
- Permalloy is a__________?
- The alloy used for making electrical resistances and heating elements is__________?
- Gun metal contains__________?
- Bronze contains__________?
- Structural steel contains following principal alloying elements__________?
- Which of the following is used for bearing liner__________?
- If a refractory contains high content of silicon, it means refractory is__________?
- Corrundum contains more than 95% __________?
- Ductile cast iron__________?
- Admiralty brass used for steam condenser tubes contains copper and zinc in the following ratio__________?
- Alnico, an alloy used extensively for permanent magnets contains iron, nickel, aluminium and cobalt in the following ratio __________?
- Corrosion resistance of steel is increased by adding__________?