10+ Rahi Systems Interview Questions and Answers

The hydraulic pump is responsible for generating the flow of hydraulic fluid in a hydraulic circuit.

• The hydraulic pump converts mechanical energy into hydraulic energy.

• It creates the pressure needed to move the hydraulic fluid through the circuit.

• The pump provides the force necessary to operate hydraulic actuators, such as cylinders or motors.

• It ensures the proper functioning of the hydraulic system by maintaining a consistent flow of fluid.

• Examples of hydraulic pumps include...read more

A capacitor stores electrical energy and releases it when needed.

• Capacitors are used to filter out noise and stabilize voltage in power supplies.

• They are also used in timing circuits, oscillators, and filters.

• Capacitors can be polarized or non-polarized, and have different capacitance values.

• They are commonly found in electronic devices such as TVs, radios, and computers.

The standard voltage used in Zambia for boomers is 400 volts.

• The standard voltage for boomers in Zambia is 400 volts.

• This voltage is commonly used for electrical equipment and machinery.

• It is important to ensure that boomers are compatible with this voltage before use.

A motor is a device that converts electrical energy into mechanical energy to produce motion.

• Motors work on the principle of electromagnetic induction.

• They consist of a rotor, stator, and commutator.

• The rotor rotates due to the interaction between the magnetic field and the current flowing through the stator.

• Examples include electric motors used in household appliances and industrial machinery.

• Types of motors include AC motors, DC motors, and stepper motors.

Diagnosing machine problems involves thorough inspection, testing, and analysis to identify issues and determine appropriate solutions.

• Conduct a visual inspection of the machine to identify any obvious issues such as loose connections or damaged components

• Use diagnostic tools such as multimeters, oscilloscopes, and pressure gauges to test various components and systems

• Refer to equipment manuals and schematics to understand the machine's operation and identify potential proble...read more

Pumps are mechanical devices used to move fluids by creating pressure.

• Pumps work by converting mechanical energy into fluid energy.

• They use impellers or rotors to create centrifugal force or positive displacement to move fluids.

• Different types of pumps include centrifugal pumps, positive displacement pumps, and reciprocating pumps.

• Examples of pumps include water pumps, fuel pumps, and hydraulic pumps.

Stress and strain curve shows the relationship between stress (force applied) and strain (resulting deformation) in a material.

• Stress is plotted on the y-axis and strain on the x-axis.

• The curve typically consists of three regions: elastic deformation, plastic deformation, and fracture.

• Elastic deformation is reversible, plastic deformation is permanent, and fracture is the point at which the material breaks.

• Materials have different stress-strain curves based on their propertie...read more

Active Directory is a Microsoft service that manages network resources and user accounts.

• Active Directory is used to authenticate and authorize users and computers in a network.

• It allows administrators to manage and control access to network resources.

• Active Directory stores information about users, groups, computers, and other network objects.

• It provides a hierarchical structure for organizing network resources.

• Active Directory is commonly used in enterprise environments.

• Exa...read more

The default protocol used in directory services is LDAP.

• LDAP stands for Lightweight Directory Access Protocol.

• It is used to access and manage directory information.

• LDAP is commonly used in enterprise environments for authentication and authorization.

• Examples of directory services that use LDAP include Microsoft Active Directory and OpenLDAP.

GD&T is a system of symbols and standards used to communicate engineering design and manufacturing requirements.

• GD&T stands for Geometric Dimensioning and Tolerancing

• It is used to define the allowable variation in form, size, orientation, and location of features on a part

• It ensures that parts are manufactured to the correct specifications and fit together properly

• GD&T symbols include straightness, flatness, circularity, cylindricity, perpendicularity, parallelism, and positi...read more

Pump is used to move fluid from one place to another, while turbine converts fluid energy into mechanical energy.

• Pump increases the pressure of a fluid and moves it from one location to another.

• Turbine converts the kinetic energy of a moving fluid into mechanical energy.

• Pumps are commonly used in industries for fluid transfer, while turbines are used in power generation.

• Examples of pumps include centrifugal pumps and diaphragm pumps, while examples of turbines include steam t...read more

Oops concepts are fundamental principles of object-oriented programming.

• Inheritance: Allows a class to inherit properties and behavior from another class. Example: class Dog extends Animal.

• Encapsulation: Bundling data and methods that operate on the data into a single unit. Example: private variables with public getter and setter methods.

• Polymorphism: Ability of a single function or method to operate on different types of data. Example: method overloading or overriding.

• Abstra...read more