The material used in the filament of electric bulbs is_________________?

Related Mcqs:

Pick out the wrong statement?

A. Wrought iron contains about 0.02% carbon B. Wrought iron cannot be easily forged and welded C. The chilled cast iron does not contain graphite D. Spheroidal grey cast iron contains graphite flakes...

Cast iron is__________________?

A. Used for making shock resisting parts B. Manufactured in cupola and is brittle C. Having compressive strength more than its tensile strength D. All A., B. & C....

Nitriding of steel is a process for________________?

A. Case hardening B. Spheroidising C. Normalising D. Annealing...

Presence of even very minute amount (say 0.1%) of ______________ in copper, reduces its electrical conductivity very seriously?

A. Bismuth B. Arsenic C. Antimony D. Both B. and C....

Which of the following undergoes granular fracture ?

A. Wrought iron B. Steel C. Cast iron D. None of these...