100+ Technical Assistant Interview Questions and Answers

The main reasons for less count in bulk packing are human error, machine malfunction, and inaccurate measurements.

• Human error in counting or packaging

• Machine malfunction or error in the production line

• Inaccurate measurements or weighing of the product

• Lack of quality control or inspection

• Environmental factors such as humidity or temperature

• Improper storage or handling of the product

• Inadequate training of personnel

• Inefficient production processes

• Poor communication between depar...read more

To convert a voltmeter to an ammeter, a shunt resistor is added in parallel to the meter to measure current instead of voltage.

• Add a shunt resistor in parallel to the voltmeter to convert it to an ammeter.

• Calculate the shunt resistor value using Ohm's Law (R = V/I) based on the desired current range.

• Connect the shunt resistor in parallel to the voltmeter with proper polarity.

• Ensure the shunt resistor has a low resistance value to minimize voltage drop and accurate current mea...read more

Questions related to tablet coating defects, ALCOA, CGMP, GDP, data integrity, IQ, OQ, PQ, coating machine capacity, gun validation, shade variation, and cleaning process for product changeover.

• Tablet coating defects can include issues such as cracking, peeling, or uneven coating.

• ALCOA stands for Attributable, Legible, Contemporaneous, Original, and Accurate, which are principles for data integrity.

• CGMP stands for Current Good Manufacturing Practice, which are regulations for...read more

The main reason for improper sealing of a bottle can be due to various factors such as damaged cap, incorrect torque, or contamination.

• Damaged cap

• Incorrect torque

• Contamination

A series of technical questions related to radio frequency, projectors, gases in biology, audio equipment, and centrifuges.

• Radio frequency ranges from 3 kHz to 300 GHz.

• Projectors available in market include LCD, DLP, and LED projectors.

• Different types of gases used in biology include oxygen, carbon dioxide, and nitrogen.

• Approximately 21% of air is composed of oxygen.

• Woofers are speakers designed to produce low frequency sounds, while subwoofers are specialized woofers designe...read more

A circuit breaker is an electrical switch that automatically interrupts the flow of current when it exceeds a certain limit.

• It is used to protect electrical circuits from damage caused by overloading or short circuits.

• It works by detecting the excess current and tripping the switch to break the circuit.

• Once tripped, it can be reset manually or automatically depending on the type of circuit breaker.

• Common types include thermal, magnetic, and hybrid circuit breakers.

• Examples of...read more

I would listen to the customer's concerns, empathize with them, and offer a solution to their problem.

• Listen actively to the customer's concerns without interrupting them

• Empathize with the customer by acknowledging their frustration and apologizing for any inconvenience caused

• Offer a solution to the customer's problem, and explain how it will resolve their issue

• Remain calm and professional throughout the interaction, even if the customer becomes angry or upset

• Follow up with t...read more

Synchronous motors require external starting methods due to their design and characteristics.

• Synchronous motors need to be brought up to synchronous speed before they can start operating efficiently.

• Common starting methods include using a pony motor, damper winding, or a frequency converter.

• Synchronous motors are not self-starting because they operate at a fixed speed determined by the frequency of the power supply.

• The rotor of a synchronous motor must be rotating at the same...read more

I use video editing software to merge and edit the random footage into one cohesive video.

• Import all the random footage into a video editing software like Adobe Premiere Pro or Final Cut Pro.

• Arrange the footage in the desired order on the timeline.

• Trim and edit each clip as needed to create a seamless transition between them.

• Add transitions, effects, and music to enhance the overall video.

• Export the final video in the desired format for sharing or viewing.

• Examples: Adobe Prem...read more

Leak test is performed to ensure that there are no leaks in a system. It is mandatory in certain industries.

• To ensure safety and prevent accidents

• To maintain product quality and integrity

• To comply with industry regulations and standards

• Examples: automotive industry, medical devices, HVAC systems

• Different methods of leak testing: pressure decay, vacuum decay, bubble testing, tracer gas testing

Types of gear boxes, compressors, steam boilers, chillers, airdryers, and mechanical seals are commonly asked questions for Technical Assistant interviews.

• Types of gear boxes include spur, helical, bevel, worm, and planetary.

• Compressors can be classified as positive displacement or dynamic.

• Steam boilers can be categorized as fire tube or water tube.

• Chillers can be classified as air-cooled or water-cooled.

• Airdryers can be categorized as refrigerated or desiccant.

• Mechanical sea...read more

DC motors and generators work on the principle of electromagnetic induction.

• DC motors convert electrical energy into mechanical energy

• DC generators convert mechanical energy into electrical energy

• Both use a commutator and brushes to switch the direction of current flow

• DC motors have a rotor and a stator, while DC generators have a stator and a rotor

• DC motors and generators have various applications in industries such as automotive, aerospace, and power generation

CT secondary should not be open circuited as it can lead to dangerous high voltage spikes and damage the equipment.

• Open circuiting the CT secondary can lead to dangerous high voltage spikes due to no current flow.

• It can damage the CT and other connected equipment.

• It can also lead to inaccurate measurements and incorrect readings.

• Short circuiting the CT secondary is a safer option to prevent high voltage spikes.

• Proper grounding and connection of the CT secondary is essential f...read more

Formulation technology involves the development of methods to create and optimize chemical reactions in order to produce desired products.

• Formulation technology is used in various industries such as pharmaceuticals, cosmetics, and food.

• It involves selecting the appropriate ingredients and determining the optimal ratios and processing conditions to achieve the desired product.

• Chemical reactions play a crucial role in formulation technology as they determine the properties and ...read more

Recent CPUs from Intel and AMD along with compatible motherboards.

• Intel Core i9-10900K with compatible motherboard Z490 chipset

• AMD Ryzen 9 5950X with compatible motherboard X570 chipset

• Intel Core i7-10700K with compatible motherboard B460 chipset

• AMD Ryzen 7 5800X with compatible motherboard B550 chipset

Different types of speed control methods in DC motor include armature voltage control, field flux control, and armature resistance control.

• Armature voltage control: Adjusting the voltage applied to the armature to control speed.

• Field flux control: Changing the field flux to regulate the speed of the motor.

• Armature resistance control: Varying the armature resistance to adjust the speed of the motor.

A single line diagram is a simplified representation of a power system showing the main components and their connections.

• Single line diagrams show the main components of a power system such as generators, transformers, transmission lines, and distribution lines.

• Each component is represented by a simple symbol with lines connecting them to show how they are interconnected.

• For example, a generator is represented by a circle with a line extending from it to a transformer symbol....read more

Most petrol pump stations use LED lighting systems for energy efficiency and cost savings.

• LED lighting systems are commonly used in petrol pump stations

• LED lights provide bright and uniform illumination for safety and security

• LED lights are energy efficient and cost effective, saving on electricity bills

• LED lights have a longer lifespan compared to traditional lighting systems

• Some petrol pump stations may also use solar-powered lighting systems for sustainability

Customer business development involves building and maintaining relationships with customers to drive growth and increase revenue.

• Identify target customers and market segments

• Research and understand customer needs and pain points

• Develop and implement strategies to attract and acquire new customers

• Build and maintain strong relationships with existing customers

• Provide excellent customer service and support

• Offer personalized solutions and tailor-made products/services

• Regularly a...read more

The maximum number of people who can use the network when the server is down.

• Depends on the network infrastructure and backup systems in place.

• Can vary from a few to thousands depending on the organization.

• Users may experience slower speeds or limited access during server downtime.

The deflection of a simply supported beam refers to the amount of bending or displacement that occurs when a load is applied.

• The deflection of a simply supported beam depends on factors such as the length of the beam, the type of load applied, and the material properties of the beam.

• It can be calculated using various methods such as the Euler-Bernoulli beam theory or finite element analysis.

• The deflection of a simply supported beam is typically measured in terms of vertical d...read more

Bernoulli's principle states that an increase in the speed of a fluid occurs simultaneously with a decrease in pressure or a decrease in the fluid's potential energy.

• Derivation involves conservation of energy for a fluid element along a streamline

• Applications include explaining lift in aviation, flow in pipes, and operation of carburetors

• Bernoulli's equation is used to analyze fluid flow in various engineering applications

The density of steel is around 7.85 g/cm³.

• Density is the measure of mass per unit volume.

• Steel is a metal alloy composed of iron and carbon.

• The density of steel varies depending on its composition and temperature.

• The density of steel is higher than that of most other materials.

• The density of steel is commonly used in engineering and construction applications.

TAN and TBN are both chemical terms used in different contexts. TAN refers to Total Acid Number, while TBN stands for Total Base Number.

• TAN measures the acidic components in a substance, while TBN measures the basic components.

• TAN is used to assess the acidity of lubricating oils, while TBN is used to measure the reserve alkalinity of the oil.

• TAN is typically expressed in milligrams of potassium hydroxide per gram of oil (mg KOH/g), while TBN is expressed in the same units.

• TA...read more

Running machines face various issues, including mechanical failures, software glitches, and environmental factors affecting performance.

• Mechanical failures: Worn-out parts can lead to breakdowns, e.g., a broken belt in a conveyor system.

• Software glitches: Bugs in the operating system can cause unexpected shutdowns or malfunctions.

• Environmental factors: Dust and moisture can affect sensors and motors, leading to performance issues.

• Power supply problems: Fluctuations in voltage...read more

Type A and Type B are personality theories that categorize individuals based on certain traits and characteristics.

• Type A individuals are competitive, ambitious, impatient, and highly organized.

• Type B individuals are more relaxed, laid-back, and less stressed.

• Examples: Type A personalities may thrive in high-pressure environments like sales or finance, while Type B personalities may excel in creative fields like art or writing.

Some popular softwares for video editing include Adobe Premiere Pro, Final Cut Pro, and Davinci Resolve.

• Adobe Premiere Pro

• Final Cut Pro

• Davinci Resolve