40+ Junior Technician Interview Questions and Answers

Hydraulic valves control the flow and pressure of hydraulic fluid in a system. They can be operated manually or automatically.

• Hydraulic valves are used to control the flow and pressure of hydraulic fluid in a system.

• They are essential components in hydraulic systems, allowing for precise control and regulation.

• Hydraulic valves can be operated manually using levers, knobs, or buttons.

• They can also be operated automatically through the use of solenoids or other control mechanis...read more

Resistance can be calculated using Ohm's Law, which states that resistance is equal to voltage divided by current.

• Use Ohm's Law: R = V / I

• Resistance is measured in ohms (Ω)

• Voltage is measured in volts (V)

• Current is measured in amperes (A)

• Example: If the voltage is 12V and the current is 2A, the resistance would be 6Ω

Operation of Vial Filling Machine and Aseptic Area

• Ensure the machine is clean and sterilized before use

• Follow proper gowning procedures before entering the aseptic area

• Maintain a sterile environment by using sterile gloves and disinfectants

• Monitor the filling process to ensure accurate volume and proper sealing

• Perform routine maintenance and cleaning of the machine

• Document all activities and deviations in the batch record

Transformer works on the principle of electromagnetic induction to transfer electrical energy between two or more circuits.

• Transformers have two coils of wire, known as primary and secondary coils.

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

• This changing magnetic field induces a voltage in the secondary coil, transferring electrical energy.

• The ratio of the number of turns in the primary and secondary coils determines the vo...read more

BQS machine operating and ACG camera settings are important for efficient and accurate testing.

• BQS machine is used for testing the quality of tablets and capsules.

• ACG camera settings are used to capture images of the tablets and capsules for analysis.

• Proper calibration and maintenance of the BQS machine is crucial for accurate results.

• ACG camera settings should be adjusted based on the size and shape of the tablets or capsules being tested.

Embedded systems are useful for controlling and monitoring various devices and systems.

• Embedded systems are used in a wide range of applications such as consumer electronics, automotive systems, industrial automation, and medical devices.

• They provide real-time control and monitoring capabilities, allowing devices to respond quickly and accurately to external events.

• Embedded systems are often used in safety-critical applications where reliability and stability are crucial.

• They...read more

Tools commonly used in the field of Junior Technician include screwdrivers, pliers, multimeters, soldering irons, and wire strippers.

• Screwdrivers

• Pliers

• Multimeters

• Soldering irons

• Wire strippers

The relationship between current, voltage, and resistance is described by Ohm's Law.

• Ohm's Law states that the current flowing through a conductor is directly proportional to the voltage applied across it and inversely proportional to the resistance of the conductor.

• Mathematically, Ohm's Law is expressed as I = V/R, where I is the current in Amperes, V is the voltage in Volts, and R is the resistance in Ohms.

• This relationship helps in understanding how changes in voltage or re...read more

Associate gas is a gas that is in equilibrium with the liquid phase, while non-associate gas is not in equilibrium with the liquid phase.

• Associate gas molecules are attracted to each other and tend to form a liquid phase at lower temperatures and higher pressures.

• Non-associate gas molecules do not have strong intermolecular forces and remain in the gas phase even at low temperatures and pressures.

• Examples of associate gases include water vapor and ammonia, while examples of n...read more

A magnetic field is a region around a magnetic material or a moving electric charge within which the force of magnetism acts.

• A magnetic field is produced by moving electric charges or magnetic materials.

• It exerts a force on other moving charges and magnetic materials within its vicinity.

• The strength and direction of a magnetic field can be represented by magnetic field lines.

• Examples include the Earth's magnetic field and the magnetic field around a bar magnet.

The unit of resistance is ohm (Ω).

• The unit of resistance is measured in ohms (Ω).

• Resistance is denoted by the symbol 'R' in equations.

• One ohm is equal to one volt per ampere (1 Ω = 1 V/A).

Colour coding is a system of assigning colours to objects or information to convey meaning or identification.

• Used in various fields such as electronics, wiring, and safety equipment

• Example: Red wire indicates positive polarity in electronics

• Example: Red colour on safety equipment indicates fire hazard

• Helps in quick identification and reduces errors

Aircraft fuelling involves a series of procedures and precautions to ensure safety and efficiency.

• Before fuelling, the aircraft must be properly grounded to prevent static electricity buildup.

• The fuel truck must be positioned correctly and securely connected to the aircraft's fuel system.

• The fuel type and quantity must be verified before starting the fuelling process.

• During fuelling, the fuel flow rate must be monitored to prevent overfilling or spillage.

• After fuelling, the f...read more

Color coding is used to identify the resistance value of a resistor.

• The first band represents the first digit of the resistance value.

• The second band represents the second digit of the resistance value.

• The third band represents the multiplier.

• The fourth band represents the tolerance.

• For example, a resistor with brown, black, red, and gold bands has a resistance value of 1.0 ohm with a tolerance of +/- 5%.

There are various types of insulation materials used in construction and industrial applications.

• Fiberglass

• Foam board

• Mineral wool

• Cellulose

• Polyurethane

• Polystyrene

The unit of current is Ampere (A).

• The unit of current is Ampere (A)

• It is named after the French physicist Andre-Marie Ampere

• Current is the flow of electric charge in a circuit

Transformers are devices that transfer electrical energy between two or more circuits through electromagnetic induction. AC and DC differ in terms of direction of current flow and voltage type.

• Transformers are used to increase or decrease voltage levels in electrical circuits.

• AC (alternating current) changes direction periodically, while DC (direct current) flows in one direction.

• AC is commonly used in household appliances and power distribution systems, while DC is used in b...read more

I have experience in performing routine maintenance on air conditioning systems.

• Performed regular inspections to check for leaks and proper functioning of components

• Cleaned and replaced air filters as needed

• Checked refrigerant levels and made adjustments as necessary

• Calibrated thermostats for optimal performance

• Provided recommendations for system upgrades or repairs based on findings

Transformer rating depends on the type of transformer, such as power rating, voltage rating, and current rating.

• Transformer rating includes power rating, voltage rating, and current rating

• Power rating is the maximum power that the transformer can handle

• Voltage rating is the maximum voltage that the transformer can handle

• Current rating is the maximum current that the transformer can handle

MDPE code refers to Medium Density Polyethylene code. PE100 has higher density and strength compared to PE80.

• MDPE code stands for Medium Density Polyethylene code used to classify the material.

• PE100 has a higher density and strength compared to PE80, making it more suitable for high pressure applications.

• PE80 is commonly used for low pressure applications such as water supply pipes.

• PE100 is more resistant to stress cracking and has a longer lifespan compared to PE80.

NABH stands for National Accreditation Board for Hospitals and Healthcare Providers. It is a quality assurance program for healthcare organizations.

• NABH is a constituent board of Quality Council of India.

• It provides accreditation to hospitals and healthcare providers based on various quality parameters.

• The accreditation process involves a rigorous evaluation of the healthcare organization's infrastructure, processes, and patient care.

• NABH accreditation is recognized as a symb...read more

There are two main types of files: system files and user files.

• System files are essential for the operating system to function properly, such as DLL files in Windows.

• User files are created and managed by users, such as documents, images, and videos.

• Other types of files include temporary files, configuration files, and executable files.

A static IP is a fixed address assigned to a device on a network, providing a consistent location for communication.

• Static IP does not change, unlike dynamic IP which can change each time a device connects to the network.

• It is commonly used for servers, printers, and other devices that require a permanent address.

• Static IP allows for easier remote access and hosting services.

• Example: A website hosted on a server with a static IP will always be accessible at the same address.

A magnet is an object that produces a magnetic field and attracts certain materials like iron.

• A magnet has two poles - north and south.

• Opposite poles attract each other while like poles repel.

• Magnets can be natural (lodestone) or man-made (permanent magnets).

Aircraft transit procedure involves the movement of an aircraft from one location to another.

• The aircraft is inspected for any damages or issues before transit.

• The fuel and oil levels are checked and topped up if necessary.

• The cargo and baggage are loaded onto the aircraft.

• The passengers are boarded onto the aircraft.

• The pilot performs pre-flight checks and obtains clearance for takeoff.

• The aircraft is guided to the runway and takes off.

• During transit, the pilot communicates ...read more

The value of Indian frequency is 50 Hz.

• The standard frequency used in India for electrical power distribution is 50 Hz.

• This frequency is used for both residential and industrial purposes.

• It is important for ensuring compatibility of electrical equipment and appliances.

• In contrast, countries like the United States use a frequency of 60 Hz.

A reamer is a cutting tool used to enlarge or smooth out holes in materials such as metal or wood.

• A reamer typically has a cylindrical body with sharp cutting edges at one end.

• It is commonly used in machining operations to achieve precise hole dimensions.

• Reamers come in various types such as hand reamers, machine reamers, and adjustable reamers.

• Examples of reamers include chucking reamers, taper pin reamers, and expansion reamers.

Dynamic IP is a type of IP address that changes each time a device connects to the internet.

• Dynamic IP addresses are assigned by the internet service provider (ISP)

• They are temporary and can change each time a device connects to the internet

• Dynamic IP addresses are used by most home internet connections

• They are less secure than static IP addresses

MDPE (Medium Density Polyethylene) laying process involves preparing the trench, laying the pipe, and backfilling with suitable material.

• Prepare the trench to the required depth and width

• Lay the MDPE pipe carefully to avoid damage

• Connect the pipes using appropriate fittings and joints

• Backfill the trench with suitable material to provide support and protection to the pipe

• Compact the backfill material to prevent settling and ensure stability

PE 80 and P100 are different types of polyethylene pipes used in plumbing and construction.

• PE 80 is a type of polyethylene pipe with a minimum required strength (MRS) of 8 MPa, while P100 has an MRS of 10 MPa.

• PE 80 is commonly used for low-pressure applications such as irrigation and drainage, while P100 is used for high-pressure applications like gas distribution.

• PE 80 pipes are typically blue in color, while P100 pipes are yellow.

• PE 80 pipes have a lower cost compared to P1...read more

Standard operating procedure is a set of step-by-step instructions to carry out routine tasks in a consistent and safe manner.

• SOPs ensure consistency and quality in work

• They help in reducing errors and risks

• SOPs should be regularly reviewed and updated

• Examples of SOPs include safety procedures, equipment operation, and maintenance tasks

The minimum time machine settings depend on the specific machine and its capabilities.

• The minimum time machine settings will vary depending on the machine's capabilities and intended use.

• Some time machines may have a minimum setting of just a few seconds, while others may require a minimum of several minutes or even hours.

• It is important to consult the machine's manual or manufacturer for specific information on minimum settings.

• Factors such as the desired time travel distanc...read more

The length measurement of the desk is not provided.

• The length of the desk can be measured using a measuring tape or ruler.

• It is important to measure from one end of the desk to the other end.

• The measurement should be taken in either inches or centimeters depending on the unit of measurement used.

• The length of the desk can also be found in the product specifications if available.

The number of stocks is not specified in the question.

• Ask for clarification on which stocks are being referred to (e.g. company stocks, inventory stocks)

• Provide information on your experience with managing stocks if applicable

The laws of resistance describe how the resistance of a material is affected by factors such as length, cross-sectional area, and temperature.

• Resistance is directly proportional to the length of the material - longer materials have higher resistance.

• Resistance is inversely proportional to the cross-sectional area of the material - larger cross-sectional areas have lower resistance.

• Resistance increases with temperature for most materials.

• Ohm's Law states that the current flowi...read more

Dynamic IP is an IP address that changes each time a device connects to the internet.

• Dynamic IP addresses are assigned by the internet service provider (ISP).

• They are temporary and can change each time a device connects to the internet.

• Dynamic IP addresses are commonly used by home internet users.

• They are less secure than static IP addresses, which remain the same.

• Dynamic IP addresses can cause issues with remote access and online gaming.

• Examples of dynamic IP addresses inclu...read more

AV stands for audiovisual while IV stands for intravenous.

• AV refers to anything related to sound and visuals, such as AV equipment or AV presentations.

• IV refers to a method of administering fluids or medications directly into a vein.

• AV is commonly used in technology and entertainment industries, while IV is used in healthcare settings.

• Examples: AV cables, AV receiver, IV drip, IV medication administration.

Transformers are classified based on their construction, cooling methods, and voltage levels.

• Based on construction: core type and shell type transformers

• Based on cooling methods: oil-immersed and dry-type transformers

• Based on voltage levels: step-up and step-down transformers

• Examples: Distribution transformer, Power transformer, Auto transformer