100+ Apprentice Interview Questions and Answers

Tablet is a solid dosage form of medication, GMP stands for Good Manufacturing Practice, QA is Quality Assurance.

• Tablet is a pharmaceutical dosage form that contains an active ingredient and excipients.

• GMP refers to the regulations and guidelines for ensuring the quality and safety of pharmaceutical products.

• QA involves the systematic monitoring and evaluation of the various aspects of a product to ensure that standards are met.

• QA tests for tablets may include visual inspecti...read more

Mass heat transfer is the movement of heat from one substance to another due to a difference in temperature.

• Heat transfer occurs through conduction, convection, and radiation.

• Mass transfer involves the movement of substances from one location to another.

• Examples include the transfer of heat from a hot stove to a pot of water and the diffusion of perfume in a room.

• Understanding mass heat transfer is important in fields such as engineering and physics.

Docker is a platform for developing, shipping, and running applications using containerization technology.

• Docker is used to create, deploy, and run applications in containers.

• Some common Docker commands include 'docker run' to run a container, 'docker build' to build an image, and 'docker push' to push an image to a registry.

• Docker containers are lightweight, portable, and isolated environments that package an application and its dependencies.

• Docker images are read-only templ...read more

Logistics involves the management of the flow of goods and services from point of origin to point of consumption.

• Logistics includes transportation, warehousing, inventory management, and distribution.

• It focuses on optimizing processes to ensure timely delivery of products to customers.

• Examples of logistics companies include UPS, FedEx, and DHL.

Inheritance is the process by which genetic information is passed down from parents to their offspring.

• Inheritance determines the traits and characteristics that an organism will have.

• It occurs through the transmission of DNA from parent to offspring.

• Inheritance can result in genetic disorders or diseases if there are mutations or abnormalities in the DNA.

• Examples of inherited traits include eye color, hair color, and height.

Water is a common compound in chemistry, composed of two hydrogen atoms and one oxygen atom.

• Water is a polar molecule

• It has a bent shape due to the lone pairs on the oxygen atom

• Water has a high specific heat capacity

• It is essential for life on Earth

• Water can exist in three states: solid (ice), liquid (water), and gas (water vapor)

The Grignard reaction involves the addition of an organomagnesium compound to a carbonyl compound to form a new carbon-carbon bond.

• Named after French chemist Victor Grignard

• Commonly used in organic synthesis to form alcohols, carboxylic acids, and other functional groups

• Requires anhydrous conditions and can be sensitive to air and moisture

• Example: Addition of phenylmagnesium bromide to formaldehyde to form benzyl alcohol

Disintegration refers to the process of breaking down or falling apart into smaller pieces or components.

• Disintegration can occur in various forms such as physical, chemical, or biological.

• Physical disintegration can be seen in the breaking down of rocks into smaller pieces due to weathering.

• Chemical disintegration can occur when a substance breaks down into its constituent parts due to a chemical reaction.

• Biological disintegration can be seen in the decomposition of organic ...read more

DC motors work on the principle of Lorentz force, where a current-carrying conductor in a magnetic field experiences a force.

• DC motors have a stator (field) and a rotor (armature) that interact to produce motion.

• When current flows through the armature winding, it creates a magnetic field that interacts with the stator's magnetic field, causing the rotor to rotate.

• The direction of rotation can be controlled by reversing the direction of current flow or by changing the polarity...read more

NAV stands for Net Asset Value, which is the value of a fund's assets minus its liabilities, divided by the number of shares outstanding.

• NAV is used to determine the price of a mutual fund or ETF.

• Formula: NAV = (Total assets - Total liabilities) / Number of shares outstanding

• For example, if a mutual fund has total assets of $100 million, total liabilities of $10 million, and 10 million shares outstanding, the NAV would be ($100M - $10M) / 10M = $9 per share.

Reynolds number is a dimensionless quantity used in fluid mechanics to predict flow patterns in different fluid flow situations.

• Reynolds number is calculated as the ratio of inertial forces to viscous forces in a fluid flow system.

• It helps determine whether the flow is laminar (smooth and orderly) or turbulent (chaotic and unpredictable).

• Reynolds number is used in various engineering applications such as designing pipes, aircraft wings, and propellers.

• For example, a low Reyno...read more

To increase revenue, a company can focus on increasing sales, reducing costs, expanding into new markets, and improving customer satisfaction.

• Increase sales through targeted marketing and sales strategies

• Reduce costs by optimizing operations and negotiating better deals with suppliers

• Expand into new markets by conducting market research and developing new products or services

• Improve customer satisfaction by providing excellent customer service and addressing customer feedback...read more

A rectifier is an electrical device that converts alternating current (AC) to direct current (DC).

• Rectifiers are commonly used in power supplies to convert AC voltage to DC voltage.

• They are made up of diodes, which allow current to flow in only one direction.

• Rectifiers can be half-wave or full-wave, depending on the type of diode configuration used.

• Examples of rectifiers include bridge rectifiers, vacuum tube rectifiers, and solid-state rectifiers.

Methods to prevent rusting based on heat and mass transfer

• Coating the metal surface with a protective layer like paint or oil

• Using sacrificial anodes to prevent corrosion

• Applying cathodic protection by connecting the metal to a more active metal

• Controlling the environment by reducing humidity and temperature

• Using inhibitors to slow down the corrosion process

Inheritance is a concept in object-oriented programming where a class can inherit attributes and methods from another class.

• Inheritance allows for code reusability and promotes the concept of hierarchy in programming.

• There are different types of inheritance such as single inheritance, multiple inheritance, multilevel inheritance, and hierarchical inheritance.

• Example: A 'Car' class can inherit attributes and methods from a 'Vehicle' class, as a car is a type of vehicle.

SEBI stands for Securities and Exchange Board of India. It is the regulatory body for the securities market in India.

• SEBI regulates the securities market by overseeing the activities of stock exchanges, brokers, merchant bankers, and other intermediaries.

• It protects the interests of investors and promotes the development of the securities market.

• SEBI also regulates takeover of companies, insider trading, and fraudulent practices in the securities market.

• It formulates rules an...read more

The OSI model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven distinct layers.

• The OSI model stands for Open Systems Interconnection model.

• It helps in understanding how different networking protocols interact with each other.

• The seven layers are: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

• Each layer has specific functions and communicates with the adjacent layers.

• For example, H...read more

There are various types of files such as text, image, audio, video, executable, system, and compressed files.

• Text files contain plain text and can be opened with a text editor (e.g. .txt)

• Image files store digital images (e.g. .jpg, .png)

• Audio files store sound (e.g. .mp3, .wav)

• Video files store video (e.g. .mp4, .avi)

• Executable files contain instructions to run a program (e.g. .exe)

• System files are used by the operating system (e.g. .dll, .sys)

• Compressed files contain one or ...read more

Chromatography is a technique used to separate and analyze mixtures of chemicals.

• It involves a stationary phase and a mobile phase.

• The mixture is passed through the stationary phase, which separates the components based on their physical and chemical properties.

• Examples include gas chromatography, liquid chromatography, and paper chromatography.

Air is used in monosuspension for providing cushioning and absorbing shocks.

• Air is commonly used in monosuspension systems of vehicles to provide a smooth and comfortable ride.

• The air acts as a cushion and absorbs shocks from bumps and uneven surfaces.

• Monosuspension systems with air can be found in motorcycles, bicycles, and even some cars.

• Air pressure can be adjusted to customize the suspension for different riding conditions or preferences.

LPG is safer for cooking gas compared to CNG.

• LPG has a higher ignition temperature than CNG, making it safer.

• LPG is stored in liquid form, which reduces the risk of leaks compared to CNG stored in gas form.

• CNG is lighter than air and can easily disperse, increasing the risk of fire or explosion.

• LPG is widely used for cooking in households and has a proven safety record.

• CNG is more commonly used as a fuel for vehicles rather than for cooking purposes.

Induction motors are self-starting due to the rotating magnetic field produced by the stator windings.

• Induction motors have a unique design where the stator windings create a rotating magnetic field.

• This rotating magnetic field induces currents in the rotor windings, causing it to rotate and start the motor.

• No external starting mechanism is required for induction motors to begin operating.

• The principle of induction allows for the motor to self-start and operate efficiently.

TPM stands for Total Productive Maintenance, a proactive approach to maintenance that aims to maximize equipment effectiveness.

• TPM focuses on preventing breakdowns and improving overall equipment efficiency

• It involves regular maintenance, cleaning, and inspection of equipment

• TPM also includes training employees to take ownership of equipment maintenance

• Example: Implementing TPM practices in a manufacturing plant to reduce downtime and increase productivity

We perform a variety of tests including diagnostic, screening, monitoring, and research tests.

• Diagnostic tests help identify the presence of a disease or condition, such as blood tests or imaging scans.

• Screening tests are used to detect potential health problems before symptoms appear, like mammograms or colonoscopies.

• Monitoring tests track the progress of a disease or treatment, such as blood pressure monitoring or glucose testing.

• Research tests are conducted to gather data ...read more

The least count of a vernier caliper is the smallest measurement that can be read on the scale.

• The least count is determined by the number of divisions on the vernier scale and the main scale.

• It is usually expressed in fractions of a millimeter or inch.

• For example, a vernier caliper with 20 divisions on the vernier scale and 1mm on the main scale has a least count of 0.05mm.

• The least count is important for accurate measurements and should be considered when selecting a calipe...read more

Cutting tools are instruments used to cut or shape materials such as metal, wood, or plastic.

• Cutting tools can be hand-held or machine-operated

• Examples of cutting tools include saws, drills, shears, and knives

• Cutting tools are used in various industries such as construction, manufacturing, and woodworking

Closure in JavaScript is the combination of a function and the lexical environment within which that function was declared.

• Closure allows a function to access variables from its outer scope even after the outer function has finished executing.

• It is created whenever a function is defined within another function, and the inner function has access to the outer function's variables.

• Example: function outerFunction() { let outerVar = 'I am outer'; function innerFunction() { console...read more

Docker is useful for containerization, allowing for easy deployment and scaling of applications.

• Docker allows for consistent environments across development, testing, and production.

• It improves efficiency by reducing the time and effort needed to set up and configure environments.

• Containers can be easily moved between different hosts, making deployment and scaling simpler.

• Docker enables microservices architecture, breaking down applications into smaller, manageable components...read more

Unit process involves a series of operations to bring about a physical or chemical change, while unit operation is a single step in a process.

• Unit process involves multiple unit operations to achieve a desired outcome

• Unit operation is a single step in a process that can be repeated multiple times

• Examples of unit processes include distillation, filtration, and chemical reactions

• Examples of unit operations include mixing, heating, and cooling

Yes, I have a car and a motorcycle.

• I own a car for daily commute.

• I also have a motorcycle for weekend rides.

• Both vehicles are well-maintained and regularly serviced.

DT stands for Decision Tree, a predictive modeling technique used in machine learning. Disso likely refers to dissolution testing in pharmaceuticals.

• DT (Decision Tree) is a supervised learning algorithm used for classification and regression tasks.

• Decision Trees split the dataset into smaller subsets based on the most significant attribute.

• Disso (Dissolution Testing) is a process used in pharmaceutical industry to determine how quickly a drug dissolves in a solution.

• Dissoluti...read more

Physical parameters refer to measurable characteristics of a physical system or object.

• Physical parameters can include length, width, height, weight, temperature, pressure, and density.

• These parameters are used to describe and quantify physical phenomena and can be measured using various instruments and techniques.

• For example, the physical parameters of a car might include its dimensions, weight, and fuel efficiency.

• In engineering, physical parameters are often used to design...read more

Heat transfer is the movement of thermal energy from one object to another due to a temperature difference.

• Heat can be transferred through conduction, convection, and radiation.

• Conduction is the transfer of heat through a material without any movement of the material itself.

• Convection is the transfer of heat through the movement of fluids, such as air or water.

• Radiation is the transfer of heat through electromagnetic waves, such as the heat from the sun.

• Examples of heat trans...read more

There are 0.0254 metres in 1 inch.

• 1 inch is equal to 0.0254 metres

• To convert inches to metres, multiply the number of inches by 0.0254

• For example, 10 inches is equal to 10 x 0.0254 = 0.254 metres

A controller in C++ is a class that manages the flow of data between the model and view components of a program.

• Controllers help in separating the logic of a program from its user interface.

• They handle user input, update the model, and display the updated data in the view.

• Example: In a simple calculator program, the controller would handle the user input of numbers and operations, perform the calculations, and update the display with the result.

Bearings are mechanical components that allow for smooth rotation or movement between two parts.

• Bearings reduce friction between moving parts

• They support radial and axial loads

• Common types include ball bearings and roller bearings

A ht line is a term commonly used in electrical engineering to refer to a high tension line.

• A ht line is also known as a high voltage line or a transmission line.

• It is used to transmit electricity over long distances.

• These lines are typically made of conductive materials like aluminum or copper.

• Ht lines are supported by tall towers or poles to keep them elevated and away from the ground.

• Examples of ht lines include the power lines you see running across large fields or along ...read more

Percentage in engineering refers to the grade or score achieved in a particular subject or course, usually represented as a percentage of the total marks.

• Percentage in engineering is a way to measure a student's performance in a specific subject or course.

• It is calculated by dividing the marks obtained by the total marks and then multiplying by 100.

• For example, if a student scores 80 out of 100 in a math exam, the percentage would be 80%.

Shares represent ownership in a company and entitle the shareholder to a portion of the company's profits and voting rights.

• Shares are units of ownership in a company

• Shareholders are entitled to dividends based on the company's profits

• Shareholders have voting rights in company decisions

• Shares can be bought and sold on stock exchanges

• Common types of shares include common stock and preferred stock

Valves and pumps are essential components in various industries. There are different types of valves and pumps used for different purposes.

• Types of valves include ball valves, gate valves, globe valves, check valves, and butterfly valves.

• Types of pumps include centrifugal pumps, positive displacement pumps, and axial flow pumps.

• Valves are used to control the flow of fluids in pipelines, while pumps are used to move fluids from one place to another.

• Valves and pumps are commonl...read more

Accounts payable is the amount of money a company owes to its suppliers or vendors for goods or services received but not yet paid for.

• Accounts payable is a liability on the balance sheet.

• It represents the company's short-term obligations to pay off its debts.

• It includes invoices, bills, and other payables that are due within a specific period.

• Accounts payable is typically managed by the finance or accounting department.

• Example: If a company purchases inventory from a supplie...read more

Normality refers to the state of being typical or usual, conforming to a standard or norm.

• Normality is subjective and varies across cultures and contexts.

• It can refer to physical, mental, or social states.

• For example, normal body temperature is around 98.6°F, normal behavior in a classroom is to listen to the teacher, and normal social interaction involves respecting others' boundaries.

• Abnormality can be defined as deviating from the norm, but this can also be subjective and ...read more

React state management is a way to manage and update the state of components in a React application.

• State management helps in storing and updating data within components.

• React provides built-in state management using the useState hook.

• For more complex state management, libraries like Redux or Context API can be used.

• State management helps in keeping the UI in sync with the data changes.

A work standard sheet is a document that outlines the specific tasks, procedures, and expectations for a particular job or project.

• Provides detailed instructions on how to perform a job or task

• Includes information on safety protocols, quality standards, and deadlines

• Helps ensure consistency and efficiency in work processes

• May include visual aids or diagrams to aid understanding

• Examples: manufacturing assembly instructions, project management guidelines

I control and manage by setting clear goals, delegating tasks, and regularly communicating with my team.

• Set clear goals and expectations for the team

• Delegate tasks based on team members' strengths and abilities

• Regularly communicate with the team to ensure everyone is on the same page

• Provide feedback and recognition to motivate and improve performance

• Monitor progress and adjust plans as needed

MCAOP stands for Market Capitalization of Outstanding Shares and Book value is the total value of a company's assets that shareholders would theoretically receive if a company were liquidated.

• MCAOP is calculated by multiplying the current stock price by the total number of outstanding shares

• Book value is calculated by subtracting a company's total liabilities from its total assets

• MCAOP is used to determine the market value of a company, while Book value is used to assess the ...read more

Netflix app can be shared with others through various platforms.

• Netflix app can be shared through social media platforms like Facebook, Twitter, and Instagram.

• Users can also share the app through messaging apps like WhatsApp and Messenger.

• Netflix also allows users to share their account with others by creating multiple profiles.

• Users can also gift Netflix subscriptions to their friends and family.

• Netflix also offers a referral program where users can earn rewards by inviting ...read more