20+ JP International School Interview Questions and Answers

We use various types of lubricants depending on the gearbox specifications and requirements.

• The type of lubricant used depends on the gearbox design and operating conditions.

• Common types of lubricants used in gearboxes include mineral oil, synthetic oil, and grease.

• Mineral oil is commonly used in low-speed and low-load applications, while synthetic oil is used in high-speed and high-load applications.

• Grease is used in applications where the gearbox is sealed and requires mini...read more

There are several potential customers in and around Nagpur where we can sell gearboxes.

• ABC Industries in MIDC Hingna

• XYZ Engineering in Butibori

• PQR Manufacturing in Wadi

• LMN Enterprises in Kalamna

• EFG Corporation in Amravati Road

• HIJ Solutions in Dhantoli

Backlash is the amount of play or clearance between two mating parts. It can be measured using a dial indicator.

• Backlash is a mechanical term used to describe the amount of movement between two mating parts.

• It is usually caused by wear and tear or manufacturing tolerances.

• Backlash can be measured using a dial indicator by placing it between the two parts and moving them back and forth.

• The amount of movement indicated on the dial is the amount of backlash.

• Backlash can be reduc...read more

Vibration analysis of gearbox involves measuring and analyzing the frequency and amplitude of vibrations to detect any potential issues.

• Use vibration sensors to measure the frequency and amplitude of vibrations

• Analyze the data using software to identify any abnormal patterns or frequencies

• Compare the results to established standards or previous measurements to determine if there are any issues

• Common issues detected through vibration analysis include misalignment, unbalance, a...read more

The question is not relevant to the role of Senior Sales Engineer.

• The unit of torque is not related to travel distance.

• The question may be a test of the candidate's ability to handle unexpected or irrelevant questions.

• The candidate can politely acknowledge the question and redirect the conversation to their qualifications for the role.

Gear boxes are dismantled by following proper safety procedures and using appropriate tools.

• Ensure the gear box is not under load and is properly supported

• Remove any electrical or hydraulic connections

• Remove bolts and fasteners securing the gear box to the equipment

• Use a hoist or crane to lift the gear box off the equipment

• Disassemble the gear box using appropriate tools and following manufacturer's instructions

• Inspect and clean all components before reassembly

Bearings are machine elements that reduce friction between moving parts. There are several types of bearings.

• Plain bearings

• Rolling element bearings

• Jewel bearings

• Fluid bearings

• Magnetic bearings

• Flexure bearings

There are two types of Vera's box: planetary and spur gear. Spur gear boxes often face problems related to noise and vibration.

• Two types of Vera's box: planetary and spur gear

• Spur gear boxes often face problems related to noise and vibration

To replace a bearing, one needs to know the pitch and PCD. The process involves removing the old bearing and installing the new one.

• Pitch refers to the distance between adjacent teeth on a gear or sprocket.

• PCD stands for Pitch Circle Diameter and is the diameter of the circle that passes through the center of all the bolts on a wheel.

• To replace a bearing, first remove the old bearing by pressing it out or using a bearing puller.

• Clean the area and inspect for any damage or wea...read more

A gearbox is a mechanical device that transmits power from an engine to the wheels, adjusting the speed and torque.

• Gearboxes are commonly used in vehicles to provide different gear ratios for various driving conditions.

• They allow the engine to operate at its most efficient speed while providing the necessary power to the wheels.

• Gearboxes can be manual or automatic, with manual gearboxes requiring the driver to manually shift gears.

• Some examples of gearboxes include the transm...read more

The gear box is a crucial component in the machinery, responsible for transmitting power from the engine to the wheels or other parts.

• The gear box is responsible for changing the speed and torque of the machinery.

• It is important to regularly check and maintain the gear box to ensure optimal performance.

• Common issues with gear boxes include leaks, worn gears, and damaged bearings.

• Different types of gear boxes include manual, automatic, and continuously variable transmissions.

• P...read more

Cement manufacturing involves several stages including raw material preparation, clinker production, and cement grinding.

• Raw materials such as limestone, clay, and sand are extracted from quarries and mines.

• These materials are crushed and transported to the cement plant.

• The raw materials are then mixed and heated in a kiln to form clinker.

• The clinker is cooled and ground into a fine powder with gypsum and other additives.

• The resulting cement is stored in silos and shipped to ...read more

Gear boxes are used in various applications to transmit power and torque from one rotating shaft to another.

• Automotive industry for transmission of power from engine to wheels

• Industrial machinery for power transmission in conveyor belts, cranes, etc.

• Wind turbines for power transmission from rotor to generator

• Marine industry for power transmission in propellers and winches

• Aerospace industry for power transmission in aircraft engines

Gear box equipment material varies based on application and requirements.

• Gear boxes can be made of materials such as cast iron, aluminum, steel, and plastic.

• The material used depends on factors such as load capacity, speed, and environment.

• For example, cast iron is commonly used for heavy-duty applications, while aluminum is used for lighter loads.

• Plastic gear boxes are often used in applications where corrosion resistance and noise reduction are important.

• The material select...read more

Gear ratio is the ratio of the number of teeth on two gears. Spur gears have straight teeth, while helical gears have angled teeth.

• Gear ratio is the ratio of the number of teeth on two gears, determining the speed and torque relationship between them.

• Spur gears have straight teeth and are used for low-speed applications, while helical gears have angled teeth for smoother and quieter operation at higher speeds.

• Spur gears are easier to manufacture and maintain, while helical ge...read more

Heat treatment is a process of heating and cooling metals to alter their physical and mechanical properties.

• Heat treatment is used to improve the hardness, strength, toughness, and ductility of metals.

• It involves heating the metal to a specific temperature and holding it there for a certain amount of time.

• The metal is then cooled at a specific rate to achieve the desired properties.

• Different types of heat treatment include annealing, quenching, tempering, and normalizing.

• Exam...read more

Torque and power are related but different concepts. Torque is the rotational force while power is the rate at which work is done.

• Torque is the twisting force that causes rotation.

• Power is the rate at which work is done or energy is transferred.

• The relationship between torque and power is given by the equation: Power = Torque x Angular Velocity.

• Increasing torque increases power, but increasing power does not necessarily increase torque.

• For example, a car with a high torque ca...read more

There are several types of gears used in industrial gearboxes, including spur gears, helical gears, bevel gears, worm gears, and planetary gears.

• Spur gears

• Helical gears

• Bevel gears

• Worm gears

• Planetary gears

Lean Six Sigma is a methodology that focuses on reducing waste and improving quality in processes.

• It combines Lean principles of waste reduction with Six Sigma's focus on quality improvement

• It involves identifying and eliminating non-value-added activities

• It uses data-driven analysis to identify and solve problems

• It aims to achieve continuous improvement in processes

• Examples include reducing cycle time, improving product quality, and increasing customer satisfaction

Types of bearings include ball bearings, roller bearings, and plain bearings. Gears can be spur, helical, bevel, or worm gears. Materials commonly used are steel, brass, and plastic.

• Types of bearings: ball bearings, roller bearings, plain bearings

• Types of gears: spur gears, helical gears, bevel gears, worm gears

• Materials used: steel, brass, plastic