My Home Industries Engineer Interview Questions and Answers

Q1. Difference between hub and switch
Ans. 
Hub is a simple networking device that broadcasts data to all connected devices, while a switch forwards data only to the intended recipient.
• Hub operates at the physical layer of the OSI model, while switch operates at the data link layer.

• Hub is less secure as it broadcasts data to all devices, while switch is more secure as it forwards data only to the intended recipient.

• Hub is slower as it causes collisions in networ...read more
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Q2. Difference between c and C++
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C is a procedural programming language while C++ is an object-oriented programming language.
• C is a procedural programming language, focusing on functions and procedures.

• C++ is an object-oriented programming language, allowing for classes, objects, and inheritance.

• C does not support classes and objects, while C++ does.

• C++ has features like polymorphism, encapsulation, and inheritance which are not present in C.

• C++ is co...read more
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Q1. Tell me about yourself.
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Q2. Why you choose JSW group
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Q1. What is GGBS it's IS code number
Ans. 
GGBS stands for Ground Granulated Blast Furnace Slag. Its IS code number is 455:1989.
• GGBS is a byproduct of the iron-making industry.

• It is obtained by quenching molten iron slag from a blast furnace with water or steam.

• GGBS is used as a partial replacement for Portland cement in concrete production.

• The IS code number 455:1989 refers to the Indian Standard specification for GGBS.
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Q2. OPC 53 Specifications
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OPC 53 Specifications are a set of guidelines for the production of high-quality cement.
• OPC 53 refers to Ordinary Portland Cement with a minimum compressive strength of 53 MPa.

• The specifications outline the chemical composition, physical properties, and performance requirements of OPC 53 cement.

• OPC 53 cement is commonly used in construction projects that require high-strength concrete, such as bridges, high-rise buildi...read more
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Q3. Blaine Apparatus calibration
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Q1. Clinkeraitation stage?
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Q2. CTM calibration procedure
Ans. 
CTM calibration procedure ensures accurate measurement of critical parameters.
• CTM calibration involves adjusting and verifying the accuracy of a CTM (Continuous Monitoring) device.

• The procedure typically includes checking the device's sensors, calibrating the display, and comparing measurements with known standards.

• Regular calibration is essential to maintain the reliability and precision of CTM readings.

• Example: The C...read more
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Q3. LSF formula..? Soundness test? Raw mix??
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Q1. Difference between switch and hub
Ans. 
Switch operates at the data link layer and forwards data based on MAC addresses, while hub operates at the physical layer and broadcasts data to all connected devices.
• Switch makes decisions based on MAC addresses, improving network efficiency.

• Hub broadcasts data to all connected devices, leading to potential network congestion.

• Switches have multiple ports for connecting devices individually, while hubs typically have f...read more
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Q2. Difference between c and c++
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C is a procedural programming language while C++ is an object-oriented programming language.
• C is a procedural programming language, focusing on functions and procedures.

• C++ is an object-oriented programming language, allowing for classes, objects, and inheritance.

• C++ is an extension of C with additional features like classes, templates, and exception handling.
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Q1. VFD drives working and principle
Ans. 
VFD drives control the speed of AC motors by varying the frequency and voltage of the power supplied to the motor.
• VFD stands for Variable Frequency Drive

• They are used to save energy and improve process control

• They work by converting AC power to DC power and then back to AC power at a different frequency

• The frequency determines the speed of the motor

• They can be used in various applications such as HVAC systems, pumps, a
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Q2. Weighting system and calibration process
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Q1. About yourself and salary discussion
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Q1. RS -485 questions
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Q1. Questions about Main job responsibilities, CTC & notice period
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Q1. Question about Test procedures, Quality standards
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Q1. Questions on Data analysis
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Q1. Cement test , cement manufacturers
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Technical, English, reasoning

Q1. Design mix, types of cracks
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Q1. Market potential
Ans. 
The market potential for the Senior Engineer role is high due to increasing demand for skilled professionals in the industry.
• Growing demand for senior engineers in various industries

• Increasing adoption of technology and digital transformation

• Emerging markets and new opportunities

• Expanding job market and career growth prospects
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