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Central Coalfields Interview Questions and Answers
Central Coalfields Interview Experiences
3 interviews found
Ritesh Kumar
(1 Question)
- Q1. What is your name
(1 Question)
- Q1. Why should we hire you
Software Developer Interview Questions asked at other Companies
I applied via Walk-in and was interviewed before Mar 2023. There were 2 interview rounds.
Gives question and we get answered
(2 Questions)
- Q1. Do you know CCL and what type of work doing in CCL
- Q2. Yes I know the ccl
Apprentice Interview Questions asked at other Companies
I was interviewed before Aug 2021.
(1 Question)
- Q1. About general knowledge, about Coal India Limited, about computer basic and Ms word & Exel, about basic math's questions.
(1 Question)
- Q1. My self, about computer, about Coal India Limited, about general knowledge.
(1 Question)
- Q1. Medical test of my body and internal parts like heart beats, lungs e.t.c
(1 Question)
- Q1. No any questions I get appointment letter and join central Coalfield Limited
Interview Preparation Tips
Computer Operator Interview Questions asked at other Companies
Top trending discussions
Interview questions from similar companies
I applied via Campus Placement
(7 Questions)
- Q1. What is frl and enumati
- Ans.
FRL stands for Filter, Regulator, Lubricator and Enumati is not a recognized term in the maintenance field.
FRL is a combination of components used in pneumatic systems to filter, regulate pressure, and lubricate the air supply.
Examples of FRL components include air filters to remove contaminants, regulators to control pressure, and lubricators to add oil to the air.
Enumati does not have a known meaning or usage in main
- Q2. Full from fitter
- Q3. Type of baring a
- Ans.
There are various types of bearings used in machinery, such as ball bearings, roller bearings, and plain bearings.
Ball bearings use balls to reduce friction between two surfaces, commonly found in wheels and pulleys.
Roller bearings use cylindrical rollers to reduce friction, commonly found in conveyor belts and gearboxes.
Plain bearings have a simple design with a sliding surface, commonly found in hinges and bushings.
- Q4. Callsificatin of fill offjob
- Ans.
Fill offjob is a term used in maintenance to classify tasks that are completed outside of regular working hours.
Fill offjob tasks are typically scheduled during weekends or holidays to minimize disruption to regular operations.
Examples of fill offjob tasks include major equipment repairs, facility upgrades, and preventive maintenance activities.
Maintenance fitters may be required to work on fill offjob tasks to ensure ...
- Q5. List count of varniar calipat
- Ans.
The count of varniar calipat is not a standard term in the maintenance fitter field.
There is no standard definition or reference for varniar calipat in maintenance fitting.
It is possible that the term is specific to a certain company or industry, in which case the count would depend on their specific requirements.
It would be best to ask for clarification on the term or context in which it is being used.
- Q6. Calcification of fill
- Ans.
Calcification of fill refers to the accumulation of calcium deposits in a filling material.
Calcification of fill can occur in dental fillings, causing them to harden and potentially crack over time.
This process can also occur in industrial settings, such as in pipelines where calcium deposits build up and restrict flow.
Preventative measures such as regular cleaning and maintenance can help reduce the risk of calcificat
- Q7. List count of bor gauge
- Ans.
The count of bore gauges refers to the number of bore gauges available for use in maintenance tasks.
Check the inventory records for the number of bore gauges on hand
Count the physical bore gauges in the maintenance department
Consult with colleagues or supervisors to confirm the count
Ensure all bore gauges are accounted for and in working condition
Interview Preparation Tips
Junior Engineer Electrical Interview Questions & Answers
NMDC Limited
Anonymous
posted on 16 Dec 2024
(5 Questions)
- Q1. Tranformar testing
- Q2. HT.LTBreaker testing and maintenance
- Q3. HT LT motar testing and maintenance
- Q4. CT testing and maintenance
- Q5. PT testing and maintenance
Interview Preparation Tips
Substation feeder work and electrical maintenance Interview Questions & Answers
Coal India
Anonymous
posted on 27 Dec 2024
(5 Questions)
- Q1. What is substation use equipment
- Ans.
Substation use equipment refers to the various devices and tools used in a substation for power distribution and maintenance.
Substation transformers
Circuit breakers
Disconnect switches
Voltage regulators
Capacitor banks
Protective relays
- Q2. What is electricity
- Ans.
Electricity is the flow of electric charge through a conductor.
Electricity is the flow of electrons through a conductor
It is a form of energy that powers electrical devices
Electricity can be generated from various sources such as coal, wind, solar, and hydro
It is measured in units of volts, amps, and watts
- Q3. What is induction motor and functions
- Ans.
An induction motor is a type of AC motor that works on the principle of electromagnetic induction to convert electrical energy into mechanical energy.
Induction motors are commonly used in various industrial applications due to their simplicity, reliability, and low cost.
They consist of a stator (stationary part) and a rotor (rotating part) where the rotor is not connected to an external power source.
When an alternating...
- Q4. What is generator and functions
- Ans.
A generator is a device that converts mechanical energy into electrical energy. It functions by rotating a coil of wire within a magnetic field to produce electricity.
Generates electricity by converting mechanical energy into electrical energy
Consists of a coil of wire rotating within a magnetic field
Used in power plants, backup generators, and portable generators
- Q5. What is Transformers this function
- Ans.
Transformers function to change voltage levels in electrical systems.
Transformers increase or decrease voltage levels in electrical systems
Step-up transformers increase voltage for long-distance transmission
Step-down transformers decrease voltage for distribution to homes and businesses
Transformers help maintain power quality and efficiency in electrical grids
Senior Electrical Technician Interview Questions & Answers
Toyota Tsusho
PATEL DIPAK HASMUKH BHAI
posted on 24 Dec 2024
I applied via Newspaper Ad
(2 Questions)
- Q1. Electrical maintenance operation shift handling
- Q2. All electrical technical only detail
(1 Question)
- Q1. Electrical maintenance shift handling
Interview Preparation Tips
I applied via Approached by Company and was interviewed in Oct 2024. There were 2 interview rounds.
(4 Questions)
- Q1. Newton law of motion
- Ans.
Newton's laws of motion describe the relationship between an object and the forces acting on it.
First law: An object at rest stays at rest, and an object in motion stays in motion unless acted upon by an external force.
Second law: The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass.
Third law: For every action, there is an equal and opposite reactio...
- Q2. What is omhs law and formula
- Ans.
Ohm's Law states that the current flowing through a conductor is directly proportional to the voltage across it and inversely proportional to the resistance.
Ohm's Law formula: V = I * R (Voltage = Current * Resistance)
Current (I) is measured in Amperes (A)
Voltage (V) is measured in Volts (V)
Resistance (R) is measured in Ohms (Ω)
Example: If a circuit has a voltage of 12V and a resistance of 4Ω, the current flowing throu
- Q3. Reading the English book and writing in this page
- Q4. Flaming ke baye hath ka niyam
(2 Questions)
- Q1. Resistance working
- Q2. Name of transformer in hindi language
- Ans.
The name of transformer in Hindi language is 'ट्रांसफार्मर'.
The word 'transformer' is translated to 'ट्रांसफार्मर' in Hindi.
It is pronounced as 'traans-faar-mer' in Hindi.
In written form, it is represented as 'ट्रांसफार्मर'.
Interview Preparation Tips
- Instruments
Project Manager Civil Interview Questions & Answers
African Industries
Kailas Shete
posted on 19 Dec 2024
(2 Questions)
- Q1. Why you are applying for this job?
- Ans.
I am applying for this job because of my passion for managing civil projects and my proven track record of successful project completions.
Passion for managing civil projects
Proven track record of successful project completions
Excited about the opportunity to contribute to impactful infrastructure projects
- Q2. Why you requested for salary hike?
- Ans.
I requested a salary hike due to increased responsibilities, achievements, and market value.
Increased responsibilities in current role
Achievements such as successful completion of projects or exceeding targets
Market value based on industry standards and experience
Cost of living increase or inflation affecting expenses
(2 Questions)
- Q1. Explain about the various stages of construction of the foundation of building.
- Ans.
The various stages of construction of the foundation of a building include site preparation, excavation, foundation design, footing construction, and foundation pouring.
Site preparation involves clearing the area and leveling the ground for construction.
Excavation is the process of digging a hole in the ground to create space for the foundation.
Foundation design is crucial to ensure the building's stability and load-be...
- Q2. What will be the Design mix for Concrete .
- Ans.
The design mix for concrete is the proportion of various ingredients like cement, sand, aggregates, and water to achieve the desired strength and durability.
Design mix is determined based on the required strength and durability of the concrete
It involves selecting the right proportions of cement, sand, aggregates, and water
Various factors like type of construction, exposure conditions, and desired workability influence...
General Purchase Engineer Trainee Interview Questions & Answers
Adani Enterprises
Sudarshan Dash
posted on 7 Dec 2024
I applied via LinkedIn and was interviewed in Nov 2024. There were 2 interview rounds.
Series sq, train relative speed stuff like that general aptitude question
(2 Questions)
- Q1. Pump , compressor
- Q2. What is reciprcating pump
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