Calderys India Refractories Junior Engineer Interview Questions and Answers

Q1. Basic diploma level question
Add your answer

My Name is Akash
My father name Shri Rajkishor
I am from Kushinagar ( Uttar Pradesh)
My data of birth 05/04/2005
My diploma course in mechanical engineering

My mobile no XXXXX

Q1. What is diesel engine
Ans. 
A diesel engine is a type of internal combustion engine that uses compression ignition to burn fuel.
• Diesel engines are commonly used in trucks, buses, and some cars.

• They are more fuel efficient than gasoline engines.

• Diesel engines have higher torque output compared to gasoline engines.

• They do not have spark plugs, instead relying on compression to ignite the fuel.

• Diesel engines are known for their durability and longev
Answered by AI
Add your answer
Q2. What is hydraulic system
Ans. 
A hydraulic system is a technology that uses liquid to transmit power.
• Uses incompressible fluid to generate power

• Consists of a pump, valves, cylinders, and hydraulic fluid

• Commonly used in heavy machinery like excavators and cranes
Answered by AI
Add your answer
Q3. What is 4stock engine
Ans. 
A 4-stroke engine is an internal combustion engine that completes four separate strokes in the combustion cycle: intake, compression, power, and exhaust.
• 4-stroke engines are commonly used in automobiles, motorcycles, and small engines like lawnmowers.

• They are more fuel-efficient and produce less pollution compared to 2-stroke engines.

• Examples of vehicles with 4-stroke engines include cars, trucks, and SUVs.
Answered by AI
Add your answer

Q1. What is thermal power
Ans. 
Thermal power is the energy generated from heat, typically through the combustion of fossil fuels or nuclear reactions.
• Thermal power plants use steam turbines to convert heat energy into mechanical energy

• Common sources of thermal power include coal, natural gas, and nuclear fuel

• Thermal power generation can contribute to air pollution and greenhouse gas emissions
Answered by AI
Add your answer
Q2. What is 4sto k engine
Ans. 
4-stroke engine is a type of internal combustion engine commonly used in vehicles and machinery.
• 4-stroke engines have four stages: intake, compression, power, and exhaust.

• They are more fuel efficient and produce less emissions compared to 2-stroke engines.

• Examples of vehicles with 4-stroke engines include cars, motorcycles, and trucks.
Answered by AI
Add your answer

Q1. Basis question based upon your experience.
Add your answer

Q1. A string is palindrome or not
Add your answer
Q2. What is the difference between array and arraylist
Add your answer
Q3. Brief explanation about TestNg
Add your answer

Q1. Say something about press filter
Ans. 
Press filter is a device used for separating solids from liquids.
• It works by applying pressure to the mixture to force the liquid through a filter media while retaining the solids.

• It is commonly used in industries such as chemical, pharmaceutical, and food processing.

• Examples of press filters include belt filter press, plate and frame filter press, and rotary vacuum-drum filter.

• Press filters are efficient and cost-effe...read more
Answered by AI
View 1 more answer
Q2. How to maintain pressure in press filter
Ans. 
To maintain pressure in press filter, ensure proper sealing, check for leaks, and adjust feed rate and pressure settings.
• Check for proper sealing of the filter plates and gaskets

• Inspect for any leaks in the system and repair them promptly

• Adjust the feed rate and pressure settings as per the manufacturer's recommendations

• Regularly clean and maintain the filter to prevent clogging and pressure drop

• Monitor the pressure ga...read more
Answered by AI
View 1 more answer
Q3. What is the model of hydraulic cylinder in press filter
Ans. 
The model of hydraulic cylinder in press filter depends on the specific press filter being used.
• The model of hydraulic cylinder can vary depending on the size and capacity of the press filter.

• Some common models of hydraulic cylinders used in press filters include tie rod cylinders and welded cylinders.

• The specific model of hydraulic cylinder used in a press filter can be determined by consulting the manufacturer's spec...read more
Answered by AI
View 1 more answer
Q4. Which type bearing use in bogie wheel
Ans. 
Roller bearings are commonly used in bogie wheels.
• Roller bearings are preferred over plain bearings due to their ability to handle heavy loads and reduce friction.

• Tapered roller bearings are commonly used in locomotive bogie wheels.

• Cylindrical roller bearings are also used in some bogie wheels.

• The type of bearing used depends on the specific application and load requirements.
Answered by AI
View 1 more answer

Q1. Previous work experience
Add your answer
Q2. How is gratuity calculated
Ans. 
Gratuity is calculated based on an employee's length of service and last drawn salary.
• Gratuity is a lump sum amount paid to an employee as a token of appreciation for their service.

• The calculation of gratuity depends on the number of years an employee has worked for an organization.

• In India, gratuity is calculated using the formula: (Last drawn salary × 15 × number of years of service) / 26.

• The number of years of servi...read more
Answered by AI
Add your answer

Q1. Basic diploma level question
Add your answer