Atibir Industries Mechanical Maintenance Engineer Interview Questions and Answers for Freshers

Total Productive Maintenance (TPM) is a maintenance strategy that aims to maximize equipment effectiveness and minimize downtime.

• TPM involves the entire workforce in the maintenance process

• It focuses on proactive maintenance to prevent breakdowns

• TPM has eight pillars including autonomous maintenance, planned maintenance, and quality maintenance

• TPM aims to improve overall equipment effectiveness (OEE) by reducing downti...read more

Environmental hazards can be mitigated through optimization methods.

• Optimization methods can help reduce waste and emissions in manufacturing processes.

• Design optimization can lead to more efficient and sustainable products.

• Life cycle assessment can be used to identify environmental impacts and optimize for sustainability.

• Examples of optimization methods include lean manufacturing, Six Sigma, and Design for Environment...read more

Phenol can be removed from water through various methods including adsorption, oxidation, and biodegradation.

• Adsorption involves using activated carbon or other materials to attract and trap phenol molecules.

• Oxidation can be achieved through the use of chemicals such as hydrogen peroxide or ozone, or through advanced oxidation processes like photocatalysis.

• Biodegradation involves using microorganisms to break down phen...read more

Coke density and water consumption are important factors in coke production.

• Coke density is typically measured in kg/m³ and can vary depending on the type of coke being produced.

• Water consumption for coke production can vary depending on the production process and the quality of the raw materials.

• Efficient use of water in coke production is important for both environmental and economic reasons.

• Coke density and water co...read more

A transformer operates on the principle of electromagnetic induction to transfer electrical energy between two or more circuits.

• Transformers consist of two coils of wire, known as the primary and secondary coils, wrapped around a core made of ferromagnetic material.

• When an alternating current flows through the primary coil, it creates a changing magnetic field in the core.

• This changing magnetic field induces a voltage ...read more

A transformer's rated capacity is expressed in terms of its maximum power output, typically in kilovolt-amperes (kVA).

• Rated capacity is expressed in kVA to indicate the maximum power output the transformer can handle.

• This rating helps determine the appropriate size of transformer needed for a specific application.

• For example, a transformer with a rated capacity of 500 kVA can handle a maximum power output of 500 kilovo...read more

MCC stands for Motor Control Center and PCC stands for Power Control Center. They are electrical panels used to control and distribute power to motors and other electrical equipment.

• MCC panels are used to control and distribute power to motors in industrial settings.

• PCC panels are used to control and distribute power to various electrical equipment.

• Both panels play a crucial role in ensuring efficient and safe operatio...read more

The perfect roll diameter for a 5.5 mm wire rod coil depends on factors like material properties and coil weight.

• Consider the material properties of the wire rod, such as tensile strength and elasticity

• Calculate the coil weight to determine the required roll diameter

• Consult industry standards and guidelines for recommended roll diameters

• Perform testing and adjustments to optimize the roll diameter for production effici

Roughing in mill is the process of removing excess material from a workpiece to prepare it for further machining operations.

• Roughing in mill involves using a cutting tool to remove large amounts of material quickly and efficiently.

• The goal of roughing is to leave enough material for finishing cuts while maximizing material removal rates.

• Common methods for roughing include face milling, end milling, and roughing end mil...read more