Macawber Beekay Interview Questions and Answers

Bottom ash is a byproduct of combustion in waste-to-energy plants, requiring careful handling and processing.

• Bottom ash is collected from the bottom of combustion chambers in waste-to-energy facilities.

• It typically consists of non-combustible materials like metals, glass, and minerals.

• The ash is cooled, often using water, to prevent dust and facilitate handling.

• After cooling, bottom ash can be processed for recycling, ...read more

HCSD pumps are used for high-capacity, high-speed fluid transfer in various industrial applications.

• HCSD stands for High Capacity Slurry Displacement, designed for transporting slurries.

• These pumps operate using a positive displacement mechanism, ensuring consistent flow rates.

• Commonly used in mining and construction for moving materials like sand and gravel.

• Example: HCSD pumps can handle abrasive materials without sig...read more

Positive displacement compressors are commonly used for conveying materials in various industries.

• Positive displacement compressors, such as rotary screw and diaphragm compressors, are ideal for conveying.

• Rotary screw compressors are efficient for continuous operation and can handle large volumes of air.

• Diaphragm compressors are suitable for conveying gases and are often used in the pharmaceutical industry.

• These compre...read more

Thrust bearings are used to axial load in mechanical applications.

• Thrust bearings are designed to handle axial loads

• They are commonly used in applications where the load is primarily in the axial direction

• Examples include ball thrust bearings and roller thrust bearings

Gear boxes are used to control the speed and torque of a mechanical system by changing the gear ratio.

• Gear boxes allow for the transmission of power from one component to another at different speeds and torques.

• They are used to increase or decrease the speed of rotation depending on the application requirements.

• Gear boxes also provide mechanical advantage by increasing the torque output while reducing the speed of rota...read more

Centrifugal pumps and positive displacement pumps are commonly used for slurry disposal.

• Centrifugal pumps are often used for transporting large volumes of slurry with low viscosity.

• Positive displacement pumps are suitable for handling high viscosity slurry or slurry with solid particles.

• Examples of pumps used for slurry disposal include centrifugal slurry pumps and progressive cavity pumps.

Types of alignments include shaft alignment, coupling alignment, and belt alignment.

• Shaft alignment ensures that the shafts of rotating equipment are properly aligned to prevent vibration and wear.

• Coupling alignment involves aligning the coupling components to ensure smooth power transmission.

• Belt alignment ensures that belts are properly aligned on pulleys to prevent slippage and wear.

• Other types of alignments may inc...read more

Converting pressure is the process of converting pressure units, while instrument pressure is the pressure measured by an instrument.

• Converting pressure involves changing the units of pressure, such as from psi to bar or Pa to atm.

• Instrument pressure is the actual pressure measured by a pressure gauge or sensor.

• Converting pressure is a mathematical calculation, while instrument pressure is a physical measurement.

• For ex...read more

A transducer is a device that converts one form of energy into another, such as converting mechanical movements into electrical signals.

• Transducers are commonly used in sensors to measure physical quantities like temperature, pressure, and flow.

• Examples of transducers include thermocouples, pressure sensors, and accelerometers.

• They can be classified into various types based on the energy conversion process, such as res...read more