20+ Hitech Digital Solutions Interview Questions and Answers

Icing and deicing of aircraft are important processes to prevent ice buildup on critical surfaces.

• Icing occurs when supercooled water droplets freeze on aircraft surfaces, affecting aerodynamics and increasing weight.

• Deicing involves removing ice from critical surfaces using deicing fluids or mechanical methods.

• Deicing fluids can be heated and applied to aircraft surfaces before takeoff to prevent ice buildup.

• Examples of deicing fluids include ethylene glycol and propylene gl...read more

Icing can add weight and disrupt airflow, while deicing removes ice to prevent aerodynamic issues.

• Icing can add weight to the aircraft, affecting its performance and fuel efficiency.

• Ice accumulation can disrupt airflow over the wings and control surfaces, leading to loss of lift and control.

• Deicing is necessary to remove ice buildup and prevent aerodynamic issues during flight.

• Deicing methods include using heated fluids, inflatable boots, or chemical treatments to remove ice ...read more

Pressure and temperature decrease with altitude in the atmosphere. Lapse rate is the rate at which temperature decreases with altitude.

• Pressure decreases with altitude due to the decreasing weight of air above.

• Temperature decreases with altitude at a rate of 6.5°C per kilometer in the troposphere.

• Lapse rate is the rate at which temperature decreases with altitude, usually around 6.5°C per kilometer in the troposphere.

• Lapse rate can be used to determine stability of the atmosp...read more

A six-pack instrument in an aircraft refers to the six primary flight instruments displayed in the cockpit.

• Includes airspeed indicator, attitude indicator, altimeter, turn coordinator, heading indicator, and vertical speed indicator

• These instruments provide essential information to the pilot for maintaining control and orientation in flight

• Used for navigation, altitude control, and monitoring aircraft performance

Thrust is generated by the propulsion system of an aircraft, with different engines having their own advantages and disadvantages.

• Thrust is generated by the propulsion system of an aircraft through the combustion of fuel and the expulsion of high-speed exhaust gases.

• Different types of engines, such as turbojet, turbofan, turboprop, and ramjet, have their own unique characteristics and performance capabilities.

• The choice of engine depends on factors like aircraft size, speed r...read more

ILS stands for Instrument Landing System, a ground-based navigation aid that provides precision guidance to aircraft approaching and landing on a runway.

• ILS consists of two main components: localizer and glide slope.

• Localizer provides lateral guidance to ensure the aircraft is aligned with the runway centerline.

• Glide slope provides vertical guidance to help the aircraft maintain the correct descent path.

• ILS helps pilots navigate during low visibility conditions, such as fog o...read more

A motherboard is the main circuit board in a laptop that connects all components. Desktop support engineers provide technical assistance for desktop computers. A server is a computer or software that provides functionality for other programs or devices.

• Motherboard in a laptop connects components like CPU, RAM, and storage

• Desktop support engineers troubleshoot and maintain desktop computers for users

• Servers provide functionality for other programs or devices, such as hosting w...read more

PST is a personal storage table used by Outlook to store email data while OST is an offline storage table used for cached Exchange mode.

• PST is a file format used by Microsoft Outlook to store email data on a local computer

• OST is an offline storage table used for cached Exchange mode

• PST files can be imported and exported while OST files cannot

• PST files can be accessed even without an internet connection while OST files require a connection to the Exchange server

• PST files have ...read more

Outlook is an email client developed by Microsoft. It can be configured by adding email accounts and setting up server settings.

• To configure Outlook, open the application and click on File > Add Account

• Enter your email address and password, and Outlook will automatically detect the server settings

• If the server settings are not detected, you can manually configure them by selecting the option 'Manual setup or additional server types'

• Common server settings include incoming and ...read more

Loft creates a shape by blending cross-sections, while sweep creates a shape by moving a profile along a path.

• Loft command creates a shape by blending cross-sections through a series of guide curves.

• Sweep command creates a shape by moving a profile along a path.

• Loft command is used to create complex shapes like car bodies, while sweep command is used to create simple shapes like pipes.

• Loft command requires at least two cross-sections and guide curves, while sweep command requ...read more

BIM enhances collaboration, efficiency, and accuracy in construction projects, leading to better outcomes and reduced costs.

• Improves collaboration among stakeholders, e.g., architects, engineers, and contractors can work on a unified model.

• Enhances visualization, allowing clients to see a 3D representation of the project before construction begins.

• Facilitates better project management by tracking changes and updates in real-time, reducing errors.

• Enables clash detection, ident...read more

Firewall security is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.

• Acts as a barrier between a trusted internal network and untrusted external network

• Filters network traffic based on set rules to prevent unauthorized access

• Can be hardware-based or software-based

• Examples include Cisco ASA, Palo Alto Networks, and Windows Firewall

Outlook 365 is a cloud-based email and calendar service provided by Microsoft.

• It allows users to access their emails, contacts, and calendars from anywhere with an internet connection.

• It offers features such as shared calendars, task management, and email scheduling.

• It integrates with other Microsoft Office applications such as Word, Excel, and PowerPoint.

• It provides a large amount of storage space for emails and attachments.

• It offers various security features to protect user...read more

IBM has a wide range of servers including BladeCenter, System x, Power Systems, and z Systems.

• BladeCenter servers

• System x servers

• Power Systems servers

• z Systems servers

Azure and AWS are both cloud computing platforms, but they have differences in services, pricing, and market share.

• Azure is developed by Microsoft, while AWS is developed by Amazon.

• AWS has been in the market longer and has a larger market share compared to Azure.

• Azure is known for its integration with Microsoft products and services, while AWS offers a wider range of services and features.

• Pricing models differ between Azure and AWS, with AWS generally being more cost-effectiv...read more

End moment changes should be communicated effectively, assess impact, adjust plans accordingly, and prioritize tasks.

• Communicate changes promptly to all stakeholders

• Assess the impact of changes on project timeline, budget, and resources

• Adjust plans accordingly to accommodate the changes

• Prioritize tasks based on the urgency and importance of the changes

• Maintain open communication channels for feedback and updates

Public IP address is a unique address provided by an Internet Service Provider (ISP) to identify a device on the internet.

• Public IP addresses are used to communicate over the internet

• They are assigned by ISPs and are unique to each device

• Public IP addresses can be static or dynamic

• Example: 203.0.113.1

Private IP addresses are reserved for use within a private network and are not routable on the public internet.

• Private IP addresses are used within a local network to identify devices.

• They are not accessible from the internet.

• Common private IP address ranges include 192.168.x.x, 172.16.x.x - 172.31.x.x, and 10.x.x.x.

BIM, or Building Information Modeling, is a digital representation of physical and functional characteristics of a facility.

• BIM integrates 3D modeling with data management, enhancing collaboration among stakeholders.

• It allows for better visualization of projects, helping in design and planning phases.

• BIM can simulate construction processes, identifying potential issues before they arise.

• Examples include using BIM for energy analysis to optimize building performance.

• It support...read more