Bihar Sponge Iron Interview Questions and Answers

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

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...read more

Welding is a process of joining two or more metal pieces together by melting and fusing them. Casting is a manufacturing process where a liquid material is poured into a mold and allowed to solidify.

• Welding involves the use of heat and pressure to join metal pieces.

• Types of welding include arc welding, gas welding, and spot welding.

• Casting defects can include porosity, shrinkage, and misruns.

• Porosity is the presence of...read more

Yes, I have knowledge of computers.

• I am proficient in using Microsoft Office Suite

• I have experience in using production software such as SAP and MES

• I am familiar with troubleshooting basic computer issues

There are several types of welding processes, including MIG, TIG, Stick, Flux-Cored, and Submerged Arc Welding.

• MIG (Metal Inert Gas) welding uses a wire electrode and a shielding gas to join two metal pieces together.

• TIG (Tungsten Inert Gas) welding uses a tungsten electrode and a shielding gas to create a precise and clean weld.

• Stick welding, also known as Shielded Metal Arc Welding (SMAW), uses a consumable electrode...read more

GMAW is a welding process that uses a continuously fed wire electrode, while SMAW uses a coated electrode.

• GMAW is also known as MIG welding, while SMAW is also known as stick welding.

• GMAW is faster and more efficient than SMAW.

• SMAW is better suited for outdoor welding due to its ability to work in windy conditions.

• GMAW produces less smoke and fumes than SMAW.

• GMAW is better for welding thin materials, while SMAW is bett

The least count of vernier caliper is 0.02 mm and that of micrometer is 0.01 mm.

• Least count is the smallest measurement that can be read on a measuring instrument.

• Vernier caliper has a least count of 0.02 mm, which means it can measure up to 0.02 mm accuracy.

• Micrometer has a least count of 0.01 mm, which means it can measure up to 0.01 mm accuracy.

Welding defects are imperfections that occur during the welding process.

• Porosity: gas pockets in the weld

• Undercutting: groove at the base of the weld

• Incomplete fusion: lack of bonding between the weld and base metal

• Cracks: fractures in the weld or base metal

• Spatter: metal droplets on the surface of the weld

• Distortion: warping or bending of the metal due to heat

• Inclusions: foreign materials in the weld

• Overlap: incomplet

Yes, I have knowledge of computers.

• I am proficient in Microsoft Office Suite and have experience with various production software.

• I am familiar with troubleshooting basic computer issues.

• I have experience with data entry and analysis using computer programs.

• I am comfortable learning and adapting to new software and technology.

5S is a workplace organization method and 7QC tools are quality control techniques used in manufacturing.

• 5S focuses on organizing the workplace to improve efficiency and reduce waste.

• 7QC tools include Pareto charts, cause-and-effect diagrams, and control charts to identify and solve quality problems.

• Both are commonly used in manufacturing to improve productivity and quality.

• Example: Using 5S to organize a production li...read more

A gear box is a mechanical device that transmits power from an engine to the wheels or other driven components.

• A gear box is typically found in vehicles and machinery.

• It consists of gears and shafts that transmit torque and speed.

• The gears in a gear box can be arranged in different configurations, such as manual or automatic transmission.

• Gear boxes are used to control the output speed and torque of a system.

• They allow ...read more

A compressor is a mechanical device that increases the pressure of a gas by reducing its volume.

• Compressors are commonly used in various industries, such as manufacturing, oil and gas, and refrigeration.

• They are used to compress gases, such as air, natural gas, and refrigerants.

• Compressors can be classified into different types, including reciprocating, rotary, and centrifugal compressors.

• Reciprocating compressors use ...read more

Alignment refers to the process of adjusting and positioning components or parts to ensure they are in proper position and orientation.

• Alignment is crucial in various industries such as manufacturing, automotive, and construction.

• It involves making adjustments to achieve proper positioning, balance, and symmetry.

• Alignment can be done using tools like lasers, levels, and measuring instruments.

• Examples include aligning w...read more