20+ Rex Jobs Interview Questions and Answers

To see coordinates in Google Maps/Earth, simply right-click on the location and select 'What's here?'

• Open Google Maps/Earth on your device

• Navigate to the desired location

• Right-click on the location on the map

• Select 'What's here?' from the drop-down menu

• The coordinates will appear in the search bar at the top

The fillet command is used in CAD software to create a rounded corner between two lines or curves.

• The fillet command helps in creating smooth transitions between two intersecting lines or curves.

• It is commonly used in engineering and design to improve aesthetics and reduce stress concentrations.

• For example, in a mechanical design, fillets are added to sharp corners to prevent cracks or fractures.

• The fillet radius can be adjusted to control the size of the rounded corner.

AutoCAD is a computer-aided design software used for creating 2D and 3D drawings. Various commands are used for different functions.

• Line: Draws a straight line between two points.

• Circle: Creates a circle based on center and radius.

• Trim: Removes parts of objects that overlap.

• Mirror: Creates a mirrored copy of selected objects.

• Extrude: Converts 2D shapes into 3D objects.

• Array: Copies objects in a pattern.

• Rotate: Rotates objects around a specified point.

• Scale: Resizes objects pr...read more

Some unique commands in AutoCAD are ARRAY, BURST, OVERKILL, QSELECT, and XREF.

• ARRAY: Creates a pattern of objects in a rectangular or polar arrangement.

• BURST: Explodes blocks, retaining the original attributes.

• OVERKILL: Removes overlapping or redundant geometry.

• QSELECT: Selects objects based on properties or conditions.

• XREF: Attaches external references or files to the current drawing.

AutoCAD is a software used for designing and drafting, while my favorite subject is mechanical engineering.

• AutoCAD is a computer-aided design software used for creating 2D and 3D designs.

• Mechanical engineering involves the design, analysis, and manufacturing of mechanical systems.

• Combining AutoCAD skills with knowledge of mechanical engineering can lead to efficient and accurate design solutions.

• For example, using AutoCAD to create detailed drawings of mechanical components o...read more

Scale in AutoCAD refers to the relationship between the size of the drawing on the screen and its actual size in real life.

• Scale is typically set using the 'SCALE' command in AutoCAD.

• Common scales include 1:1, 1:50, 1:100, etc.

• Scaling affects dimensions, text, and linetypes in the drawing.

• It is important to set the correct scale to ensure accurate measurements and representations.

Viscosity is a measure of a fluid's resistance to flow.

• Viscosity is the thickness or stickiness of a fluid.

• It is a property that determines how easily a fluid can flow.

• High viscosity fluids are thick and flow slowly, like honey or molasses.

• Low viscosity fluids are thin and flow quickly, like water or alcohol.

Volatility refers to the degree of variation of a trading price series over time.

• Volatility is often used as a measure of risk in financial markets.

• It can be calculated using statistical measures such as standard deviation or variance.

• High volatility indicates large price fluctuations, while low volatility indicates smaller fluctuations.

• Examples of volatile assets include cryptocurrencies and certain stocks.

Fiber placement from OLT to ONT involves connecting the optical line terminal to the optical network terminal.

• Fiber cables are used to connect the OLT (Optical Line Terminal) to the ONT (Optical Network Terminal).

• The fiber placement process involves carefully routing and securing the fiber cables to ensure proper connectivity.

• Proper labeling and documentation of fiber connections is essential for troubleshooting and maintenance.

• Examples of fiber placement tools include fiber ...read more

Software used in FTTx design

• AutoCAD for creating network diagrams

• Geographic Information System (GIS) for mapping

• Optical Network Design and Planning (ONDAP) for fiber optic network planning

• FiberPlanIT for designing and optimizing FTTx networks

• Google Earth for visualizing network routes

• Bentley Fiber for designing and documenting fiber networks

Routing from exchange to premises refers to the process of connecting a customer's premises to the nearest exchange.

• Routing involves the installation of cables and other necessary equipment to connect the exchange to the customer's premises.

• The routing process may vary depending on the type of service being provided, such as broadband or telephone.

• Factors such as distance, terrain, and existing infrastructure may also affect the routing process.

• Routing is crucial for ensuring...read more

Copper era ended in telecom due to limitations in bandwidth and speed compared to fiber optics.

• Copper cables have limited bandwidth and slower speeds compared to fiber optics.

• Fiber optics offer higher bandwidth and faster data transmission rates.

• Copper cables are more susceptible to interference and signal degradation over long distances.

• Fiber optics are more reliable and efficient for long-distance communication.

• Telecom companies have been transitioning to fiber optics for i...read more

Congruex is a telecommunications engineering and consulting firm.

• Provides services such as network design, project management, and site acquisition

• Works with major telecom companies like AT&T and Verizon

• Has offices in multiple locations across the United States

Types of FRCs include continuous fiber reinforced composites, discontinuous fiber reinforced composites, and hybrid composites.

• Continuous fiber reinforced composites: fibers are continuous throughout the material, providing high strength and stiffness. Example: carbon fiber reinforced polymer (CFRP).

• Discontinuous fiber reinforced composites: fibers are randomly oriented or chopped, offering improved impact resistance. Example: glass fiber reinforced polymer (GFRP).

• Hybrid comp...read more

Fiber optics is a technology that uses glass or plastic threads to transmit data at high speeds through pulses of light.

• Fiber optics is used for telecommunications, internet, and networking to transmit data over long distances.

• It is known for its high bandwidth and fast data transmission capabilities.

• Fiber optic cables are made up of thin strands of glass or plastic that can carry data over long distances without losing signal strength.

• Fiber optics is commonly used in high-sp...read more

Fibre placement offers high strength-to-weight ratio, design flexibility, and cost efficiency.

• High strength-to-weight ratio allows for lighter and stronger structures

• Design flexibility enables complex shapes and patterns to be created

• Cost efficiency due to reduced material waste and labor costs

Power system is a network of electrical components used to generate, transmit, and distribute electricity.

• Power system includes power plants, transmission lines, substations, and distribution networks.

• It involves the generation of electricity from various sources such as coal, natural gas, nuclear, and renewable energy.

• Transmission lines are used to transport electricity over long distances at high voltages to reduce energy losses.

• Substations are facilities that transform vol...read more

Power Electrical refers to the branch of electrical engineering that deals with the generation, transmission, distribution, and utilization of electrical power.

• Involves designing and maintaining power systems for various applications

• Includes studying power generation methods such as coal, hydro, solar, and wind

• Focuses on efficient transmission and distribution of electrical power

• Incorporates power electronics for controlling and converting electrical power

• Examples: designing ...read more

I have 5 years of experience in the telecom industry.

• Worked as a network engineer for a major telecom company

• Managed and maintained network infrastructure

• Implemented new technologies such as 5G and VoLTE

• Troubleshot and resolved network issues

• Collaborated with cross-functional teams to ensure smooth operations