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Bihar Sponge Iron QC Chemist Interview Questions and Answers
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1 interview found
Anonymous
Selected
I applied via Company Website and was interviewed in Jan 2023. There were 2 interview rounds.
(2 Questions)
- Q1. What in sponge iron and use in steel making.?
- Ans.
Sponge iron is a form of iron produced from iron ore. It is used as a raw material in steel making.
Sponge iron is produced by reducing iron ore in the form of lumps or pellets with a reducing agent such as coal or natural gas.
It is called 'sponge iron' because it has a spongy appearance due to the presence of pores and voids.
Sponge iron is highly porous and has a high surface area, which makes it an ideal raw material ...
- Q2. What is work of carbon and sulpher, phosphorus in steel making.
- Ans.
Carbon, sulfur, and phosphorus play important roles in steel making.
Carbon is a key element in steel making as it determines the hardness and strength of the steel.
Sulfur is considered an impurity in steel making and needs to be controlled as it can cause brittleness.
Phosphorus is also an impurity and needs to be minimized as it can reduce the toughness and ductility of steel.
Carbon is added to steel in the form of cok...
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Selected
I was interviewed in Oct 2024.
(5 Questions)
- Q1. Spectrometer raw material testing
- Ans. Ms scrap,CAC, pig iron testing for spectrometer
- Q2. CRCA,MS , IRON raw material testing
- Ans. CRCA,MS, pig iron testing CRCA carbon %= 0.50max Pig Iron cartoon % =4.50Max Ms carbon %=0.80-2% Max
- Q3. Sand testing GCS,GSS,WTS, Moisture testing
- Ans. Yes, sand testing GCS 1.70-2.20 G.S.S= 0.40min gm/cm2 W.T.S= 15gm/cm2 Moisture= 2.90-3.50%
- Q4. I am study in diploma in metallurgical engineering
- Ans. Yes
- Q5. Induction furnace
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Selected
I applied via Approached by Company and was interviewed in Dec 2024. There was 1 interview round.
(2 Questions)
- Q1. What is method of K2Cr2O7 N/10 factor
- Ans.
The method of determining the N/10 factor of K2Cr2O7 involves titrating it against a known concentration of a reducing agent.
Prepare a solution of K2Cr2O7 of known concentration (N/10)
Titrate the K2Cr2O7 solution against a reducing agent of known concentration
Calculate the N/10 factor using the volume of the reducing agent used in the titration
The N/10 factor is the ratio of the normality of K2Cr2O7 to the normality of
- Q2. What is method of filteration
- Ans.
Filtration is a method used to separate solids from liquids or gases using a filter medium.
Filtration involves passing a mixture through a filter medium to separate the solid particles from the liquid or gas.
Common examples include using filter paper in a funnel to separate sand from water, or using a coffee filter to separate coffee grounds from brewed coffee.
Different types of filtration methods include gravity filtr...
Selected
I applied via Recruitment Consulltant and was interviewed before Dec 2022. There were 2 interview rounds.
100 Mark assignment test
I applied via Referral and was interviewed before Apr 2021. There were 2 interview rounds.
(2 Questions)
- Q1. Depending upon job profile
- Q2. What about you JSW ? Some basic principles and procedures
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