10+ CHANDA & CHANDA ENGINEERS Interview Questions and Answers

Some better options for harmonic suppression are...

• Active filters

• Passive filters

• Tuned filters

• Phase-shifting transformers

• Multi-pulse converters

• Variable frequency drives

• Power factor correction capacitors

Types of motion include linear, circular, and oscillatory. Pressure cooker works on the principle of increasing boiling point of water.

• Linear motion is movement in a straight line, like a train on a track.

• Circular motion is movement in a circular path, like a Ferris wheel.

• Oscillatory motion is movement back and forth, like a pendulum.

• Pressure cooker works by increasing the boiling point of water through the use of high pressure.

• This allows food to cook faster and more thoroug...read more

Our company's production efficiency is high with low energy consumption per unit of production.

• Our production efficiency is measured by the number of units produced per hour or day.

• We have implemented various energy-saving measures such as using LED lights, optimizing machine settings, and recycling waste materials.

• Our energy consumption per unit of production is constantly monitored and analyzed to identify areas for improvement.

• For example, last year we reduced our energy c...read more

Harmonic filters and active filters are used to suppress harmonics in our industry.

• Harmonic filters are installed to reduce harmonic distortion in the power system.

• Active filters are used to eliminate harmonics generated by non-linear loads.

• Proper grounding and shielding techniques are employed to minimize electromagnetic interference.

• Regular maintenance and monitoring of equipment is done to ensure proper functioning.

• Harmonic suppression is important to prevent damage to equ...read more

There are various types of bearings used in different applications, such as ball bearings for high-speed applications and roller bearings for heavy loads.

• Ball bearings are commonly used in machinery and equipment, such as electric motors and automotive applications.

• Roller bearings are suitable for heavy-duty applications, such as in construction equipment and industrial machinery.

• Thrust bearings are used to support axial loads, commonly found in automotive transmissions and m...read more

Setting up belt conveyors, rollers, and gearboxes involves proper alignment, tensioning, and lubrication.

• Ensure proper alignment of the belt conveyor, rollers, and gearboxes to prevent misalignment issues.

• Tension the belt properly to avoid slippage or excessive wear.

• Regularly lubricate the rollers and gearboxes to reduce friction and extend their lifespan.

• Use alignment tools, tensioning devices, and lubrication schedules as per manufacturer guidelines.

• Example: Align the belt ...read more

To connect to the internet on a desktop, you need a network connection and configure network settings.

• Ensure you have an active internet service provider (ISP) and a modem or router.

• Connect your desktop to the modem or router using an Ethernet cable or connect to a Wi-Fi network.

• Configure network settings by accessing the Network and Internet settings on your desktop.

• Enter the network name (SSID) and password if connecting to Wi-Fi.

• For Ethernet connection, ensure the cable is...read more

APFC (Automatic Power Factor Correction) capacitor banks are used to improve power factor and reduce reactive power consumption in electrical systems.

• Improves power factor by reducing reactive power consumption

• Helps in reducing electricity bills by avoiding penalties for low power factor

• Increases efficiency of electrical systems by reducing losses

• Extends the life of electrical equipment by reducing stress on the system

• Ensures stable voltage levels and reduces voltage fluctuat...read more

Materials used for Glass include silica, soda ash, limestone, and recycled glass.

• Silica is the main ingredient in glass production

• Soda ash is used to lower the melting point of silica

• Limestone is added to improve the durability of glass

• Recycled glass can be used to make new glass products

There are two types of OS installation: clean installation and upgrade installation.

• Clean installation involves installing the OS on a new or formatted hard drive.

• Upgrade installation involves installing a new version of the OS over an existing installation.

• Clean installation is preferred for a fresh start or when changing hardware.

• Upgrade installation is suitable when preserving data and applications is important.

Yes

• Yes, as a Desktop Support Engineer, I am capable of dismantling laptops.

• I have experience in disassembling laptops to diagnose and repair hardware issues.

• I am familiar with removing and replacing components such as RAM, hard drives, and keyboards.

• I follow proper procedures and take necessary precautions to avoid any damage during the process.

Substation structure for a 33kV line includes equipment such as transformers, circuit breakers, isolators, and lightning arresters.

• Substation must have transformers to step down voltage from 33kV to lower levels for distribution.

• Circuit breakers are used to protect the system from overloads and short circuits.

• Isolators are used for isolating equipment for maintenance purposes.

• Lightning arresters protect the equipment from lightning strikes.

• Substation structure must be designe...read more

My major project in Btech was on the development of a smart irrigation system.

• The project aimed to optimize water usage in agriculture by using IoT sensors and machine learning algorithms.

• We developed a prototype system that could monitor soil moisture levels, weather conditions, and crop water requirements.

• The system could then automatically adjust irrigation schedules and water flow rates to ensure optimal crop growth and water conservation.

• We also conducted field tests to ...read more

A firewall is a network security device that monitors and controls incoming and outgoing network traffic based on predetermined security rules.

• Firewall acts as a barrier between a trusted internal network and an untrusted external network.

• It examines network packets and determines whether to allow or block them based on defined rules.

• Firewalls can be hardware-based or software-based.

• They can filter traffic based on IP addresses, ports, protocols, or application types.

• Examples...read more

Material issue and storage involves proper handling and organization of inventory.

• Establish a system for tracking inventory levels and issuing materials as needed

• Ensure materials are stored in a secure and organized manner to prevent damage or loss

• Regularly conduct inventory audits to identify any discrepancies or shortages

• Train staff on proper procedures for issuing materials and storing inventory

• Utilize technology such as inventory management software to streamline the proc...read more

Materials for moulds

• Common materials for moulds include steel, aluminum, and plastic

• The choice of material depends on factors such as the type of product being moulded, the expected production volume, and the desired surface finish

• Steel is often used for high-volume production of complex parts, while aluminum is preferred for low-volume production and prototypes

• Plastic moulds are suitable for simple shapes and low-volume production

• Other factors to consider when selecting a mo...read more