Materials & Construction Mcqs for Chemical
Q. Which of the following is universally employed as the low expansion metal in the bimetallic thermometer, which is an iron-nickel alloy containing 36% nickel and has very low co-efficient of expansion (1/20th of ordinary metals) ?
a. Invar
b. Constantan
c. Chromel
d. Alumel
No explanation is available for this question!
