10+ PTron. Interview Questions and Answers

The refractory lining used in glass tank furnace is typically made of fused cast refractories.

• Fused cast refractories are made by melting raw materials in an electric furnace and casting them into molds.

• They have excellent resistance to thermal shock and corrosion, making them ideal for use in glass tank furnaces.

• Other types of refractory linings that may be used include silica, alumina, and zirconia-based refractories.

• The choice of refractory lining depends on factors such a...read more

There is no perfect age for arranged marriage as it varies based on individual preferences and cultural norms.

• The perfect age for arranged marriage can vary depending on cultural traditions and personal beliefs.

• In some cultures, arranged marriages may take place at a younger age, while in others it may happen later in life.

• Factors such as education, career goals, and personal readiness also play a role in determining the ideal age for arranged marriage.

Air compressors are used to increase the pressure of air, while blowers are used to move air at a moderate pressure.

• Air compressors are typically used for high-pressure applications such as powering pneumatic tools or inflating tires.

• Blowers are commonly used for applications like ventilation, cooling, or drying.

• Air compressors compress air to increase its pressure, while blowers move air at a moderate pressure.

• Air compressors usually have a tank to store compressed air, whil...read more

Robots are machines designed to perform tasks autonomously or with human guidance.

• Robots can be programmed to perform repetitive tasks with high precision and accuracy.

• They can be used in manufacturing, healthcare, agriculture, and many other industries.

• Robots can also be used in hazardous environments where it may be dangerous for humans to work.

• Examples of robots include industrial robots, surgical robots, and autonomous vehicles.

• The development of artificial intelligence a...read more

Love Jo couplings are flexible couplings used to connect two shafts together, allowing for misalignment and reducing vibration.

• Love Jo couplings are designed to accommodate angular, parallel, and axial misalignment between shafts.

• They are commonly used in industrial applications such as pumps, compressors, and conveyors.

• Love Jo couplings can help reduce vibration and shock loads, extending the life of connected equipment.

An air compressor is a device that converts power into potential energy stored in pressurized air.

• Air compressors are commonly used in various industries for powering tools and equipment.

• They can be portable or stationary, depending on the application.

• Examples of air compressor types include reciprocating, rotary screw, and centrifugal compressors.

A blower is a machine used to create a flow of air or gas.

• Blowers are commonly used in HVAC systems to circulate air throughout a building.

• They can also be used in industrial settings to move gases or materials through a system.

• Examples of blowers include centrifugal blowers, axial flow blowers, and rotary lobe blowers.

Sensors are devices that detect and respond to physical stimuli such as light, heat, sound, and pressure.

• There are various types of sensors such as temperature sensors, pressure sensors, proximity sensors, motion sensors, light sensors, and many more.

• Temperature sensors include thermocouples, RTDs, and thermistors.

• Pressure sensors include piezoresistive, capacitive, and piezoelectric sensors.

• Proximity sensors include inductive, capacitive, and ultrasonic sensors.

• Motion sensor...read more

A thermocouple is a device used to measure temperature by utilizing the Seebeck effect.

• Consists of two different metals joined together at one end

• Generates a voltage proportional to the temperature difference between the two ends

• Used in various industries for temperature measurement, such as in furnaces, engines, and refrigeration systems

Heat exchanger is a device used to transfer heat between two or more fluids.

• Heat exchangers are used in various industries such as chemical, petroleum, and power generation.

• They can be classified into two types: recuperative and regenerative.

• Recuperative heat exchangers transfer heat between two fluids that flow in opposite directions.

• Regenerative heat exchangers use a heat storage medium to transfer heat between two fluids.

• Examples of heat exchangers include shell and tube, ...read more

Mechatronics combines mechanical, electrical, and computer engineering to create innovative solutions.

• Combines mechanical, electrical, and computer engineering

• Allows for interdisciplinary problem-solving

• Involves designing and creating automated systems

• Offers a wide range of career opportunities

• Example: designing a robotic arm for manufacturing processes