Home

What is the correct answer?

4

Transformer cores are normally made from

A. Soft ferrites

B. High purity iron

C. Grain oriented Fe-Si alloy

D. Al-Ni-Co alloy

Correct Answer :

C. Grain oriented Fe-Si alloy


Related Questions

__________ is not a heat treatment process. In the blast furnace, incorporation of water vapour in the blast gives… Yield strength of a material is determined by the __________ test. __________ furnace is generally used in the non-ferrous foundries. Which of the following parameters is not responsible for the heat loss… Pick out the wrong statement. Cassiterite is an ore of The normal stress is the same in all directions at a point in a fluid,… Difference at any instant between the value of the controlled variable… The critical pressure at which the latent heat of vaporisation of steam… While the recrystallisation temperature for pure metals is 0.3 Tm, the… One ton of refrigeration is not equivalent to the heat removal rate of Blow off cock is provided in steam boiler to Shrinkage allowance on pattern is provided to compensate for shrinkage… Main constituent of bone ash is Silicon in steel Vibration upto 100 kilo hertz can be most accurately measured by a __________… Aluminium is extracted from Liquid nitrogen containers can be made from Brass parts with high residual tensile stress at the surface are susceptible… Corrosion rate cannot be lowered by reducing the __________ of the corroding… The product (s) of roasting of a sulphide ore is (are) In __________ process, there is an increase in entropy with no degradation… __________ flux is used for the extraction of metal from its self fluxing… __________ has the highest melting point out of the following. __________ is a non volatile film forming constituent of a paint. Sub zero treatment of steel is done to The material used for coating the welding electrode is termed as the Normalising does not __________ of a metal. Solute atoms which cause yield point phenomenon in mild steel are/is