30+ Entertainment City Interview Questions and Answers

Interference is the addition of unwanted signals, while distortion is the alteration of the original signal.

• Interference is caused by external signals or noise that disrupt the desired signal.

• Distortion occurs when the original signal is altered or modified.

• Methods to eliminate interference include shielding, filtering, and using balanced connections.

• Distortion can be reduced by using high-quality components, equalization, and feedback techniques.

Diode, diac, triac, and SCR are all electronic components used in electrical circuits.

• Diode is a two-terminal device that allows current to flow in one direction.

• DIAC (Diode for Alternating Current) is a two-terminal device that conducts current in both directions when triggered.

• TRIAC (Triode for Alternating Current) is a three-terminal device that conducts current in both directions when triggered.

• SCR (Silicon Controlled Rectifier) is a three-terminal device that acts as a s...read more

Amplitude modulation (AM) and frequency modulation (FM) are techniques used in telecommunications to transmit information.

• Amplitude modulation (AM) is a modulation technique where the amplitude of the carrier signal is varied in proportion to the waveform being transmitted.

• Frequency modulation (FM) is a modulation technique where the frequency of the carrier signal is varied in proportion to the waveform being transmitted.

• AM is commonly used in broadcasting, such as AM radio ...read more

Separating audio from video signals involves extracting the audio component from the combined audio-video signal.

• Use audio extraction software or hardware to separate audio from video signals.

• Apply signal processing techniques to isolate the audio component.

• Utilize audio editing software to extract and save the audio separately.

• Examples: using video editing software like Adobe Premiere Pro, using audio extraction tools like FFmpeg.

Image processing is the manipulation and analysis of images using various algorithms and techniques.

• Image processing involves enhancing, restoring, and analyzing digital images.

• It is used in various fields like medical imaging, surveillance, remote sensing, and computer vision.

• Image processing techniques include filtering, segmentation, feature extraction, and pattern recognition.

• Examples of image processing applications include facial recognition, image restoration, and obje...read more

Feedback is a process in which a portion of the output of a system is fed back to the input, influencing the system's behavior.

• Feedback is a fundamental concept in control theory and oscillators.

• It involves taking a portion of the output signal and feeding it back to the input.

• Feedback can be positive or negative, depending on whether it reinforces or opposes the input signal.

• Positive feedback can lead to instability or oscillation, while negative feedback helps stabilize and...read more

A camera works by capturing light through a lens and converting it into an image using a photosensitive material or digital sensor.

• Light enters the camera through the lens

• The lens focuses the light onto a photosensitive material or digital sensor

• The photosensitive material or sensor converts the light into an electrical signal

• The electrical signal is processed and stored as an image

• Examples: film cameras use photosensitive film, digital cameras use image sensors

WhatsApp is a messaging app that uses the internet to send messages, make voice and video calls, and share media.

• WhatsApp uses end-to-end encryption to ensure the privacy and security of messages.

• It requires an internet connection to function and can be used on smartphones and computers.

• Users can create groups, send multimedia files, and make voice and video calls.

• WhatsApp uses a server-client architecture to handle message delivery and synchronization.

• It supports various net...read more

The ratio of air to fuel to start an engine is typically around 14.7:1.

• The ideal air-fuel ratio for starting an engine is known as the stoichiometric ratio, which is around 14.7 parts air to 1 part fuel.

• This ratio ensures complete combustion of the fuel and optimal engine performance.

• Different types of engines may require slightly different air-fuel ratios for starting, but 14.7:1 is a common standard.

Jigs are used to guide tools and hold workpieces in place, while fixtures are used to hold workpieces in a specific position during machining.

• Jigs are used to guide cutting tools, while fixtures are used to hold workpieces in place.

• Jigs are typically used for drilling, reaming, and tapping operations, while fixtures are used for milling, grinding, and turning operations.

• Jigs are often more complex and expensive than fixtures due to their guiding and supporting functions.

• Examp...read more

Basis of allocation of costs refers to the methods used to distribute costs among different departments or products.

• Cost drivers are used to allocate costs based on the factors that drive the costs, such as machine hours, labor hours, or square footage.

• Direct allocation involves assigning costs directly to a specific department or product.

• Step-down allocation involves allocating costs in a sequential manner, starting with the department that has the highest percentage of cost...read more

FC stands for Fixed Costs and VC stands for Variable Costs. Both are important elements in cost accounting.

• Fixed Costs (FC) are costs that remain constant regardless of the level of production. Examples include rent, salaries, insurance.

• Variable Costs (VC) are costs that vary with the level of production. Examples include raw materials, direct labor, utilities.

• Total cost = Fixed Costs + Variable Costs.

• Understanding FC & VC helps in determining break-even point and making pric...read more

Net profit is calculated by subtracting total expenses from total revenue.

• Calculate total revenue by adding up all sales and other income

• Deduct total expenses including cost of goods sold, operating expenses, and taxes

• Net profit = Total revenue - Total expenses

• Monitor and analyze profit margins to identify areas for improvement

Mistake proofing and error proofing are synonymous terms used to describe the same concept.

• Mistake proofing and error proofing aim to prevent errors or mistakes from occurring in a manufacturing process.

• Both techniques involve implementing measures or systems to eliminate or minimize the possibility of errors.

• The goal is to design processes or systems that are foolproof and do not rely solely on human vigilance.

• Examples of mistake proofing or error proofing include using sens...read more

PLC inputs are signals or data received by the PLC from external devices, while outputs are signals or data sent by the PLC to control external devices.

• PLC inputs are used to monitor and gather data from sensors, switches, and other devices.

• PLC outputs are used to control actuators, motors, valves, and other devices.

• Inputs and outputs are typically connected to the PLC through input/output modules.

• Examples of PLC inputs include temperature sensors, limit switches, and pressur...read more

Power is transferred to the wheels through the drivetrain system, which includes components like the engine, transmission, driveshaft, differential, and axles.

• Power is generated by the engine, typically through combustion of fuel.

• The transmission transfers power from the engine to the driveshaft.

• The driveshaft sends power to the differential, which then distributes it to the axles.

• The axles rotate the wheels, propelling the vehicle forward.

• Examples: Front-wheel drive vehicles...read more

A 4 stroke engine is an internal combustion engine that completes four separate strokes - intake, compression, power, and exhaust - in two crankshaft revolutions.

• Intake stroke: Fuel and air are drawn into the combustion chamber.

• Compression stroke: The fuel-air mixture is compressed by the piston.

• Power stroke: The spark plug ignites the mixture, causing an explosion that drives the piston down.

• Exhaust stroke: The piston pushes the exhaust gases out of the cylinder.

• Examples: Mo...read more

Generation, transmission, and distribution are the three main levels of the electricity supply chain.

• Generation: Production of electricity from various sources such as coal, natural gas, hydro, solar, wind, etc.

• Transmission: High-voltage lines transport electricity over long distances from power plants to substations.

• Distribution: Lower-voltage lines distribute electricity from substations to homes and businesses.

• Example: Power plants generate electricity, which is then trans...read more

The 4 important tools of a fitter are wrench, pliers, screwdriver, and hammer.

• Wrench: Used for tightening or loosening nuts and bolts.

• Pliers: Used for gripping, bending, and cutting wires or small objects.

• Screwdriver: Used for turning screws and fasteners.

• Hammer: Used for driving nails or striking objects.

Kaizen is a Japanese business philosophy that focuses on continuous improvement in all aspects of an organization.

• Kaizen emphasizes small, incremental changes over time.

• It involves all employees in the improvement process.

• Kaizen aims to eliminate waste, improve efficiency, and enhance quality.

• Examples of Kaizen include implementing standardized work procedures, using visual management tools, and conducting regular employee training.

A fitter is a skilled worker who assembles, installs, and repairs machinery and equipment.

• A fitter is responsible for reading and interpreting blueprints and technical drawings.

• They use a variety of hand and power tools to assemble and disassemble machinery.

• Fitters may specialize in specific industries such as automotive, manufacturing, or construction.

• Examples of fitters include pipefitters, millwrights, and machinery mechanics.

BCM ECU stands for Body Control Module Electronic Control Unit. It is responsible for controlling various electrical systems in a vehicle.

• BCM ECU controls functions such as interior lighting, power windows, door locks, and security systems.

• It communicates with other ECUs in the vehicle to ensure proper operation of all electrical systems.

• BCM ECU can store fault codes to help diagnose issues with the vehicle's electrical systems.

• Some modern vehicles have advanced BCM ECUs that...read more

The ABS module is responsible for controlling the anti-lock braking system in a vehicle.

• Controls the anti-lock braking system to prevent wheels from locking up during braking

• Monitors wheel speed sensors to detect potential wheel lock-up

• Adjusts brake pressure to individual wheels as needed for optimal braking performance

Sensors are devices that detect and respond to physical input from the environment.

• Temperature sensors

• Pressure sensors

• Proximity sensors

• Motion sensors

• Light sensors

• Humidity sensors

• Gas sensors

• Accelerometers

• Infrared sensors

• Force sensors

I have 5 years of experience in accounts, including managing financial records, preparing financial statements, and analyzing financial data.

• 5 years of experience in accounts

• Proficient in managing financial records

• Skilled in preparing financial statements

• Experienced in analyzing financial data

Motor type transformers are specially designed transformers used to supply power to electric motors.

• Motor type transformers have low voltage and high current ratings to match the requirements of electric motors

• They are often used in industrial applications to power large motors

• Motor type transformers may have features such as tap changers to adjust the output voltage based on the motor's requirements

Overall quality process involves identifying, analyzing, and improving processes to ensure consistent quality outcomes.

• Identifying key processes and potential areas for improvement

• Analyzing data and metrics to measure process performance

• Implementing quality control measures to ensure consistency

• Continuous monitoring and feedback loops for ongoing improvement

• Training and development of staff to maintain quality standards

Instruments such as calipers, micrometers, and coordinate measuring machines are used to measure the casting dimensions accurately.

• Calipers can be used to measure the length, width, and thickness of the casting.

• Micrometers are used for precise measurements of small dimensions on the casting.

• Coordinate measuring machines use a probe to measure multiple points on the casting and create a 3D model for analysis.

An engine works by converting fuel into mechanical energy through combustion and internal processes.

• Fuel is injected into the combustion chamber

• The fuel is ignited by a spark plug or compression

• The resulting explosion pushes the piston down, turning the crankshaft

• The crankshaft converts the linear motion of the piston into rotational motion

• The rotational motion is transferred to the wheels through the transmission

Maintenance is the process of ensuring that equipment, machinery, or systems are kept in good working condition through regular inspections, repairs, and replacements.

• Regular inspections to identify potential issues before they become major problems

• Performing necessary repairs to fix any issues found during inspections

• Replacing worn out parts to prevent breakdowns and ensure optimal performance

• Implementing preventive maintenance schedules to prolong the lifespan of equipment

• K...read more