Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is__________________?

Related Mcqs:

Iron is ____________________?

A. paramagnetic B. ferromagnetic C. ferroelectric D. dielectric E. none of the above...

Amorphous material is one___________________?

A. in which atoms align themselves in a geometric pattern upon solidification B. in which there is no definite atomic structure and atoms exist in a random pattern just as in a liquid C. which is not attacked by phosphorous D. which emits fumes on melting E. none of the above...

Corrosion resistance of steel is increased by addition of________________?

A. chromium and nickel B. sulphur, phosphorus, lead C. vanadium, aluminium D. tungsten, molybdenum, vanadium, chromium E. zinc...

Nodular iron has____________________?

A. high maehinability B. low melting point C. high tensile strength D. good fluidity E. all of the above...

Addition of silicon to aluminium results in____________________?

A. improvement of casting characteristics B. improvement of corrosion resistance C. one of the best known age and precipitation-hardening systems D. improving machinability E. none of the above...