10+ Interview Questions and Answers

A hydraulic circuit diagram is a schematic representation of a hydraulic system, showing the flow of fluid and the various components involved.

• A hydraulic circuit typically consists of a pump, valves, actuators, and fluid lines.

• The pump is responsible for generating hydraulic pressure by converting mechanical energy into fluid flow.

• Valves control the direction, flow rate, and pressure of the hydraulic fluid.

• Actuators, such as cylinders or motors, convert hydraulic energy into...read more

Heat exchange in hydraulic machines is used to regulate temperature and prevent overheating.

• Heat exchange helps to maintain the temperature of hydraulic fluid within a safe operating range.

• It prevents overheating of the hydraulic system, which can cause damage to the components.

• Heat exchangers can be air-cooled or liquid-cooled, depending on the application.

• Examples of hydraulic machines that use heat exchange include excavators, cranes, and hydraulic presses.

Single acting cylinders have one port for fluid to enter and exit, while double acting cylinders have two ports.

• Single acting cylinders use fluid pressure to extend the piston rod and a spring to retract it.

• Double acting cylinders use fluid pressure to extend and retract the piston rod.

• Single acting cylinders are commonly used in applications where the load is moved in one direction only, such as in dump trucks.

• Double acting cylinders are commonly used in applications where t...read more

Directional valve controls the direction of fluid flow while pressure reducing valve maintains a constant downstream pressure.

• Directional valve is used to control the direction of fluid flow in a hydraulic system.

• Pressure reducing valve is used to maintain a constant downstream pressure in a hydraulic system.

• Directional valve can be either a spool valve or a poppet valve.

• Pressure reducing valve can be either a direct acting or a pilot operated valve.

• Examples of directional va...read more

Turbocharger is used in internal combustion engines to increase power output while centrifugal compressor is used in HVAC systems to increase air pressure.

• Turbocharger is driven by exhaust gases while centrifugal compressor is driven by an electric motor or a gas turbine.

• Turbocharger compresses air before it enters the engine while centrifugal compressor compresses air after it enters the system.

• Turbocharger is used in automobiles, trucks, and aircraft while centrifugal compr...read more

Pressure Relief valve releases excess pressure to prevent damage, while Pressure Reducing valve reduces pressure for downstream use.

• Pressure Relief valve opens when pressure exceeds set limit to prevent damage to equipment

• Pressure Reducing valve reduces pressure for downstream use, maintaining a constant pressure

• Pressure Relief valve is typically used in systems with no downstream pressure requirement

• Pressure Reducing valve is used in systems where downstream pressure needs t...read more

Turbocharger increases the air intake in diesel engine to improve performance.

• Turbocharger uses exhaust gases to spin a turbine which compresses air intake

• Compressed air has more oxygen, allowing more fuel to be burned, increasing power

• Turbocharger can increase engine efficiency and reduce emissions

• Commonly used in diesel trucks, boats, and heavy machinery

Compressor in diesel engine compresses air to increase its pressure and temperature.

• Compressor draws in air from the atmosphere and compresses it before sending it to the engine.

• The compressed air is mixed with fuel in the combustion chamber to create a high-pressure explosion that powers the engine.

• The compressor is driven by the engine's crankshaft through a belt or gear system.

• The compressor also helps to cool the engine by circulating air through the radiator.

• The compress...read more

Yes, we are involved in infra and government projects.

• We have experience in handling infrastructure projects such as building roads, bridges, and public facilities.

• We have successfully completed government projects like constructing government buildings and providing services to government agencies.

• Our team is well-versed in the regulations and requirements of infra and government projects.

Handle complaints by listening to the customer, apologizing, investigating the issue, offering a solution, and following up.

• Listen actively to the customer's complaint without interrupting.

• Apologize for the inconvenience caused and show empathy.

• Investigate the issue to understand the root cause.

• Offer a solution or compensation to resolve the complaint.

• Follow up with the customer to ensure their satisfaction and prevent future issues.

Different types of concrete include ready-mix concrete, precast concrete, and high-strength concrete.

• Ready-mix concrete is produced in a batching plant and delivered to the construction site in a transit mixer.

• Precast concrete is cast in a reusable mold and cured in a controlled environment before being transported to the construction site.

• High-strength concrete is designed to withstand heavy loads and is often used in high-rise buildings or infrastructure projects.

2 stroke engines have a power stroke in every revolution, while 4 stroke engines have a power stroke in every other revolution.

• 2 stroke engines have a simpler design and are lighter than 4 stroke engines

• 2 stroke engines have a higher power-to-weight ratio than 4 stroke engines

• 4 stroke engines are more fuel efficient and have a longer lifespan than 2 stroke engines

• 4 stroke engines have a separate lubrication system, while 2 stroke engines use oil mixed with fuel for lubricatio...read more

The current FY target is $1 million in sales revenue.

• The current FY target is set at $1 million in sales revenue.

• The target is based on the company's growth projections and market analysis.

• The target may be broken down into monthly or quarterly goals to track progress.

• Sales team performance will be evaluated based on their ability to meet or exceed the target.

The client base consists of individuals or businesses who purchase products or services from the company.

• Individual customers who buy products for personal use

• Business clients who purchase products for their company

• Repeat customers who regularly buy from the company

• Potential clients who have shown interest in the company's offerings

I have 15 years of experience as a mechanical foreman.

• Managed a team of mechanics and technicians for 15 years

• Implemented preventive maintenance programs to reduce downtime

• Troubleshooted and repaired mechanical equipment

• Trained new employees on safety procedures and equipment operation

EN standards are a set of European standards that specify requirements for products, services, and systems.

• EN standards are developed by the European Committee for Standardization (CEN).

• They cover a wide range of industries including mechanical engineering, construction, and electronics.

• EN standards ensure products meet certain quality, safety, and performance criteria.

• Examples of EN standards include EN 1090 for structural steelwork and EN 60204 for electrical equipment of m...read more