A. Austenitic stainless steel
B. Heat resisting steel
C. Invar
D. High speed steel
Related Mcqs:
- 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 - Maximum carbon content in any variety of steel can be upto 1.3%. Steel containing 0.4% Carbon is not used for making___________________?
A. Nuts
B. Bolts
C. Chisels
D. Studs - Straight silicon steel (containing Si from 0.5 to 5%) because of their low hysteresis loss and high magnetic permeability are used for electrical appliances. Which of the following electrical appliances made of silicon steel contains maximum percentage of silicon (about 4%) ?
A. Armature of small motors/generators
B. Generators and small motors
C. Induction motors
D. High frequency transformers - German silver is an alloy of copper, nickel and________________?
A. Zinc
B. Silver
C. Tin
D. Lead - An alloy used as thermocouple material comprises of 40% nickel and 60% copper. It is called____________________?
A. Constantan
B. Kanthal
C. Chromel
D. German silver - Invar used in thermocouples is an alloy of nickel and________________?
A. Iron
B. Copper
C. Chromium
D. Lead - Which of the following is an alloy of nickel and copper ?
A. Hastelloy
B. Duriron
C. Monel
D. Inconel - Which of the following is not a nickel based alloy ?
A. Inconel
B. Hastelloys
C. Nimonics
D. Babbitt metal - Which of the following is not an alloy of nickel and chromium ?
A. Inconel
B. Hastelloy
C. Nimonic alloys
D. Duralumin - An alloy of iron containing 4% carbon is called________________?
A. High carbon steel
B. Wrought iron
C. Mild steel
D. None of these
