CH2-CO&CC-gpoe

What is the primary reason for stacking different types of coal separately in the coal yard?

To increase the coal's calorific value
To reduce the moisture content of the coal
To enhance the crushing efficiency of the coal
To avoid mix up of two types of coal, which is detrimental for coke making (correct)

What is the significance of crushing coal in the context of metallurgical coke production?

To break down the heterogeneous mixture of organic and inorganic materials in the coal (correct)
To increase the surface area of the coal for better combustion
To reduce the ash content of the coal
To improve the blending efficiency of the coal

What is the purpose of the weigh feeders in the coal processing system?

To control the amount of coal fed to the hammer crushers (correct)
To crush the coal into fine particles
To blend the coal with other materials
To transport the coal to the silos

What is the difference in the crushing and blending sequence between RSP and other SAIL plants?

RSP crushes the coal before blending, while other SAIL plants blend before crushing (C) Signup and view all the answers

What is the primary purpose of the silos in the coal processing system?

To store the coal temporarily before it is transported to the crushers (B) Signup and view all the answers

What is the primary indicator of the maturity of coal?

Inherent Moisture (A) Signup and view all the answers

What is the primary purpose of the Coal Handling Plant in relation to coke production?

To control the pre-carbonization technique (A) Signup and view all the answers

What is the significance of the MMR value in coal blending?

It is directly proportional to the strength of coke (C) Signup and view all the answers

What is the primary factor that determines the quality of coke produced in the Coke ovens?

Carbonization technique (C) Signup and view all the answers

What is the primary reason for unloading coal in wagon tipplers at the Coal Handling Plant?

To unload coal from Railways wagons (A) Signup and view all the answers

What is the maximum percentage of ash allowed in the coal blend for metallurgical coke production?

12% max (A) Signup and view all the answers

During which stage of the coal processing system does proper mixing take place?

During discharge from one conveyor to another conveyor through a chute (D) Signup and view all the answers

What is the term used to describe the heating of coal in the absence of air?

Carbonization (D) Signup and view all the answers

What is the primary function of the byproduct plant in a recovery type battery?

To clean and collect gas evolved during carbonization (C) Signup and view all the answers

What is the range of maximum fluidity for coal blend quality?

300 to 600 (C) Signup and view all the answers

What is the primary purpose of the pollution control norms laid down by the Central Pollution Control Board (CPCB) for coke ovens?

To minimize the environmental impact of coke production (C) Signup and view all the answers

What is the significance of the Percentage Leaking Doors (PLD) norm in the context of coke oven emissions?

It measures the percentage of leaking doors in the coke oven battery (D) Signup and view all the answers

What is the primary purpose of the ISO 14001:2004 environment management system?

To make the environment pollution-free (B) Signup and view all the answers

What is the primary purpose of the use of Personal Protective Equipment (PPE) in the steel industry?

To protect the employees from hazards in the workplace (B) Signup and view all the answers

What is the primary purpose of the laid down procedures like EL 20/permit to work in the steel industry?

To ensure the safety of equipment and personnel during maintenance (D) Signup and view all the answers

What is the primary purpose of the Free Swelling Index (FSI) test?

To measure the increase in volume of coal when heated under specific conditions (A) Signup and view all the answers

What is the significance of the Gieseler Fluidity test in metallurgical coke production?

It measures the rheological properties of coal (C) Signup and view all the answers

Why is it essential to reduce the ash percentage in Indian coking coal?

To reduce the ash percentage, making the coal more suitable for metallurgical coke production (A) Signup and view all the answers

What is the purpose of the Low Temperature Gray King (LTGK) test?

To assess the caking properties of the coal or coal blend (A) Signup and view all the answers

What is the primary objective of the beneficiation process in coal washeries?

To reduce the ash percentage in the coal (B) Signup and view all the answers

What is the primary focus of an Occupational Health and Safety Management System (OH&SMS)?

Reducing risks and losses in the workplace (C) Signup and view all the answers

What is a key benefit of implementing an OH&SMS in an organization?

Reduced accidents and incidents (B) Signup and view all the answers

Which of the following is NOT a benefit of an OH&SMS?

Improved product quality (C) Signup and view all the answers

What is a key aspect of an OH&SMS in terms of staff management?

Ensuring staff competency (B) Signup and view all the answers

Which of the following standards is compatible with an OH&SMS?

ISO 14001 (Environmental) (B) Signup and view all the answers

What is the primary goal of an OH&SMS in terms of emergencies?

Having arrangements in place to deal with emergencies (B) Signup and view all the answers

What is a key benefit of integrating an OH&SMS with other management systems?

A systematic and efficient approach to health and safety (C) Signup and view all the answers

What is the primary impact of a fully implemented OH&SMS on an organization's reputation?

Positive company image and reputation (A) Signup and view all the answers

Which of the following is a characteristic of an OH&SMS?

Ensure staff competency and consultation (D) Signup and view all the answers

What is the primary reason for implementing an OH&SMS in an organization?

To ensure the health and safety of employees (C) Signup and view all the answers

What is essential before taking up any job in gas lines or gas prone areas?

EMD clearance (C) Signup and view all the answers

What is the literal meaning of 'shitsuke' in the 5-S system?

Discipline (D) Signup and view all the answers

What is the main goal of the ISO45001:2018 standard?

Managing occupational health and safety (B) Signup and view all the answers

What is 'seiri' in the 5-S system?

Distinguishing and removing unwanted items (C) Signup and view all the answers

Why is adhering to SOPs and SMPs crucial?

To prevent accidents and losses (D) Signup and view all the answers

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