10+ School of Scholars Interview Questions and Answers

Hydraulic pressure is measured in bar and NAC is not a commonly used term in this context.

• Hydraulic pressure is typically measured in bar or psi

• The amount of pressure required depends on the specific system and application

• NAC is not a commonly used term in the context of hydraulic systems

A P-V diagram of a double stage air compressor shows the pressure-volume relationship during compression.

• The diagram consists of two stages of compression.

• The first stage compresses the air from atmospheric pressure to an intermediate pressure.

• The second stage compresses the air from the intermediate pressure to the final pressure.

• The volume decreases as the pressure increases during compression.

• The diagram can be used to analyze the efficiency and performance of the compress...read more

Bearings are used to reduce friction between two moving parts. There are different types of bearings.

• Plain bearings

• Rolling element bearings

• Jewel bearings

• Fluid bearings

• Magnetic bearings

Different types of gears include spur gears, helical gears, bevel gears, worm gears, and rack and pinion gears.

• Spur gears have straight teeth and are the simplest and most common type of gear.

• Helical gears have angled teeth and provide smoother and quieter operation compared to spur gears.

• Bevel gears have cone-shaped teeth and are used to transmit power between intersecting shafts.

• Worm gears consist of a worm and a worm wheel and are used for high reduction ratios and self-lo...read more

A strain gauge is a device used to measure strain or deformation in an object.

• It consists of a thin wire or foil that is attached to the object being measured.

• As the object deforms, the wire or foil also deforms, causing a change in its electrical resistance.

• This change in resistance is measured and used to calculate the amount of strain or deformation in the object.

• Strain gauges are commonly used in engineering and manufacturing to monitor the structural integrity of buildin...read more

Boilers are classified based on their design, fuel type, and application.

• Fire-tube boilers

• Water-tube boilers

• Electric boilers

• Gas boilers

• Oil boilers

• Solid fuel boilers

• Combination boilers

• Condensing boilers

• Industrial boilers

• Residential boilers

Threads are helical ridges or grooves on the surface of a cylindrical object. There are different types of threads.

• Unified Thread Standard (UTS)

• Metric Thread Standard

• Pipe Thread Standard

• ACME Thread

• Buttress Thread

• Knuckle Thread

• Square Thread

• Round Thread

Valves are devices used to control the flow of fluids or gases. There are several types of valves used in different applications.

• Gate valve

• Ball valve

• Butterfly valve

• Globe valve

• Check valve

• Diaphragm valve

• Needle valve

• Pressure relief valve

• Safety valve

Pumps are selected based on the required flow rate, head, and fluid properties.

• Determine the required flow rate and head for the application

• Consider the fluid properties such as viscosity, temperature, and corrosiveness

• Select a pump type that is suitable for the application, such as centrifugal, positive displacement, or axial flow

• Choose a pump material that is compatible with the fluid being pumped

• Consider the operating conditions, such as suction lift, NPSH, and system pres...read more

My areas of interest include electrical systems, mechanical systems, and preventive maintenance.

• Electrical systems: I have a strong interest in troubleshooting and repairing electrical systems, such as motors, control panels, and wiring.

• Mechanical systems: I enjoy working with mechanical components, such as pumps, valves, and conveyors. I have experience in maintaining and repairing these systems.

• Preventive maintenance: I believe in the importance of regular inspections and m...read more

Curing machine problem analyzing

• Identify the specific problem with the curing machine

• Check for any error codes or warning messages

• Inspect the machine for any physical damage or wear and tear

• Review the machine's maintenance and repair history

• Consult with other maintenance engineers or experts in the field

DCV stands for Directional Control Valve in hydraulics which controls the direction of fluid flow.

• DCV is used to control the direction of fluid flow in hydraulic systems.

• It is a type of valve that directs the flow of fluid to different parts of the system.

• DCV can be manually operated or automated depending on the application.

• Examples of DCV include spool valves, poppet valves, and rotary valves.

• DCV is an important component in hydraulic systems as it helps to control the move...read more