MM Forgings Senior Engineer PPC Interview Questions and Answers

Q1. How to use impact idler
Ans. 
Impact idlers are used in conveyor systems to absorb impact and reduce damage to the belt.
• Impact idlers are typically installed at loading points on conveyor belts to absorb impact and reduce damage to the belt.

• They are designed with rubber rings or discs that compress upon impact, cushioning the blow.

• Properly installed impact idlers can help extend the life of the conveyor belt and reduce maintenance costs.
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Q2. What is the angele of convair
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The angle of convair refers to the angle at which the wings of an aircraft are positioned relative to the fuselage.
• The angle of convair is crucial for determining the stability and performance of an aircraft.

• It is typically measured in degrees and can vary depending on the design of the aircraft.

• For example, a higher angle of convair can provide more lift at slower speeds, while a lower angle may improve fuel efficienc
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Q3. Wich of gear use in convair
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Various gears are used in Convair aircraft for different functions.
• Convair aircraft use a variety of gears for different systems such as landing gear, engine gears, and control system gears.

• Examples of gears used in Convair aircraft include spur gears, bevel gears, and helical gears.

• Each gear serves a specific purpose in ensuring the proper functioning of the aircraft.
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Q4. What is zss inconvair
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ZSS Inconvair is a research aircraft used by NASA for studying atmospheric phenomena.
• ZSS Inconvair is a modified Convair 990 aircraft used for scientific research purposes.

• It is equipped with various instruments to study atmospheric chemistry, climate change, and other related phenomena.

• NASA uses ZSS Inconvair for conducting research flights at high altitudes to collect data for scientific studies.
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Q5. What istransmission
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Transmission is the process of transferring power from the engine to the wheels of a vehicle.
• Transmission helps control the speed and torque of a vehicle

• There are different types of transmissions such as manual, automatic, and CVT

• Transmission fluid is used to lubricate and cool the transmission system
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Q1. In hand Salary expected and Current Salary
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Normal question based on steel manufacturing.

Q1. All about DCV, PRV, and Hydraulic.
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Q2. Miscellaneous question about Hydraulic and steps involved in manufacturing of steel, no of panels and their function etc.
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Q1. In detail of the hydraulic system.
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Q2. Function of each equipment and their application in steel plant.
Ans. 
Equipment in a steel plant have specific functions like melting, shaping, and cooling metal to produce various steel products.
• Blast furnace - melts iron ore to produce molten iron

• Electric arc furnace - uses electricity to melt scrap metal and produce steel

• Rolling mill - shapes the molten metal into various forms like sheets, bars, or beams

• Cooling bed - cools down the hot steel products after shaping process

• Annealing fu...read more
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Q1. Provide details about company
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Q2. Salary and post discussion and negotiations.
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Q1. Single line diagram of the plant which you are working now.
Ans. 
The single line diagram of the plant I am working at shows the electrical connections and components in a simplified manner.
• The single line diagram typically includes power sources, distribution lines, transformers, circuit breakers, and loads.

• It provides a high-level overview of the electrical system without showing the physical location of each component.

• Symbols are used to represent different electrical components a...read more
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Q1. Which type of protection used in a substation
Ans. 
Different types of protection are used in a substation to ensure safety and reliability.
• Overcurrent protection: Protects against excessive current flow.

• Overvoltage protection: Safeguards against high voltage surges.

• Differential protection: Detects faults by comparing currents entering and leaving the substation.

• Distance protection: Protects transmission lines based on the distance to the fault.

• Ground fault protection: ...read more
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Q2. Which type of ht breaker used in ht line
Ans. 
Different types of HT breakers are used in HT lines depending on the specific requirements.
• Air Circuit Breaker (ACB) is commonly used in HT lines for its high breaking capacity and quick response time.

• Vacuum Circuit Breaker (VCB) is another popular choice due to its compact size and low maintenance requirements.

• SF6 Circuit Breaker is used for high voltage applications as it provides excellent arc quenching properties.

• O...read more
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Q1. Electrical maintenance
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Q2. Crane maintenance
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Q1. How we will do all work in short time
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Q1. About furnace and BLT
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Q1. Normal hydraulic and engineering mechanics
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