Aerial Telecom Solutions Repair Engineer Interview Questions and Answers

There are two types of optical fiber: single-mode and multi-mode. The head office under me works in New York.

• There are two types of optical fiber: single-mode and multi-mode.

• Single-mode fiber is used for long-distance communication, while multi-mode fiber is used for shorter distances.

• The head office under me works in New York.

The number of tubes in a 48 fibre cable varies depending on the specific cable design.

• The number of tubes can range from 4 to 12 in a 48 fibre cable.

• Each tube can contain multiple fibers, typically 4 to 12 fibers per tube.

• The specific cable manufacturer and design will determine the number of tubes in a 48 fibre cable.

• For example, a 48 fibre cable may have 6 tubes with 8 fibers in each tube.

The depth of normal ducting refers to the measurement of the vertical distance from the top of the duct to the bottom.

• The depth of normal ducting can vary depending on the specific application and requirements.

• In residential HVAC systems, the depth of ducting is typically around 8-12 inches.

• In commercial or industrial settings, the depth of ducting can be much larger, ranging from several feet to even multiple stories.

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The question is asking for the codes of all colors.

• Colors have specific codes assigned to them.

• These codes are used in various industries like printing, web design, and manufacturing.

• For example, the color code for red is #FF0000 and for blue is #0000FF.

M20 grade is a type of concrete mix used in construction, with a compressive strength of 20 megapascals (MPa).

• M20 grade refers to the mix ratio of cement, sand, and aggregate used in concrete.

• It is commonly used for general construction purposes.

• The compressive strength of M20 grade concrete is 20 MPa after 28 days of curing.

• The mix ratio for M20 grade is 1:1.5:3, which means 1 part cement, 1.5 parts sand, and 3 parts

The torque value of an M30 bolt depends on various factors such as material, lubrication, and application.

• The torque value can range from 1500 Nm to 4000 Nm depending on the factors mentioned above.

• It is important to consult the manufacturer's specifications or a torque chart for the specific bolt and application.

• Using the correct torque value is crucial for ensuring the safety and integrity of the bolted joint.

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Admixture is a material added to concrete to modify its properties.

• Admixtures can improve workability, strength, durability, and reduce water content.

• Examples of admixtures include water reducers, accelerators, retarders, and air-entraining agents.

• Admixtures can also be used to reduce the carbon footprint of concrete.

• Admixtures are typically added to the concrete mix during batching.