Yahoo Interview Questions (Technical, HR) || Freshers and Experienced

Yahoo Interview Questions

Yahoo Interview Questions

Yahoo Interview Questions: Yahoo Inc. is an American multinational company with its headquarters in CA, USA.  It is globally known for its search engine Yahoo! Search, online mapping, video sharing and its related services. The contenders who are in a dream of getting a job in Yahoo Company the dream is over.wake up! Here is the good news for you.  In this article, we are provided numbers of interview questions which in turn helpful during the Yahoo company interview process for the applicants. The contenders who applied and looking forward to their interview schedule should study this article till the end without any skip.

You Can Also Check: Yahoo Recruitment

Yahoo Company Interview Procedure

The interview rounds for Yahoo Company are need based. Irrespective of candidates pool the mandatory and default rounds are namely
  • Short Test (Online or Written Test)
  • Technical Round
  • HR round
  • Final Round (personal interview or Telephonic)
You Can Also Check: Top 10 HR Interview Questions

The aspirants who are qualified in all the above-mentioned rounds will be called for final interview round which may be telephonic or personal. The contenders are advised to follow all the stuff included in this section in order to get a sure shot result in the interview process.

Yahoo Company Technical Interview Questions For Fresher’s


The applied should be confident and tension free in order to clear this round without any confusion. To boost up your knowledge on your core subjects we are tried our best to gather all the relevant matter in this single section. 



Power Electronics Interview Questions


  • What are the different operation regions of the SCR?
  • What is latching current?
  • What is electric traction?
  • What is "pu" in electrical engineering?
  • Operations carried out in Thermal power stations?
  • If you had 26 hours in your day, how would you spend those additional two hours?
  • Why the torque curve starts to fall after a certain RPM in the torque curve?
  • What are Newton's three laws, Moment of inertia?
  • What is holding current?
  • Why thyristor is considered as Charge controlled device?
  • What are the different losses that occur in thyristor while operating?
  • Explain the working principal of the circuit breaker?
  • What is use of lockout relay in ht voltage?
  • How to determine capacitor tolerance codes?
  • What is meant by knee point voltage?
  • What is reverse power relay?
  • What are the advantages of the freewheeling diode in a Full Wave rectifier?
  • What is the full form of KVAR?
Signals & Systems Interview Questions
  • Define Signal and System
  • What do you mean by transfer function
  • What is convolution and give its application
  • what are different types of convolution
  • What is correlation and give its applications
  • Difference between discrete and continuous signal
  • What is Lenz law?
  • What is Moore’s Law?
  • What is Fourier transform and how is it different from Laplace transform what is diode?
  • What is op-amp?
  • What is transistor?
  • What is difference between Microprocessor and Microcontroller?
  • What is VOIP?
  • What are different types of antennas?
  • What is a multiplexer?

DBMS Interview Questions
  • What is DBMS?
  • What is a Database system?
  • What are the disadvantages of File Processing System?
  • Describe the three levels of data abstraction?
  • What is normalization?
  • What is E-R model?
  • What is Data Model?
  • Difference between multi threading and multi tasking?
  • Define Demand paging, page faults, replacement algorithms, thrashing,
  • Explain about paged segmentation and segment paging
  • While running DOS on a PC, which command would be used to duplicate the entire diskette?
  • What is an Entity?
  • What is DML Compiler?
  • What is Query evaluation engine?
  • What is Fully Functional dependency?
  • Describe concurrency control?
  • What is 4NF?
  • What is Stored Procedure?
  • Name the sub-systems of a RDBMS?'
  • Explain the differences between an intranet and an extranet?
  • How many types of relationship exist in database designing?
  • What is Hashing technique?

Electrical Machines Interview Questions
  • Mention the methods for starting an induction motor?
  • Explain the reason that why big tyres are used in the rear of vehicles.
  • What is kingpin offset? State some of its application.
  • Explain the basic difference between BS2 and BS3 engine.
  • What is an injector pressure in heavy vehicles? Why it is used?
  • During the drive torque, what will be the weight shift?
  • In a tractor, how the hydrostatic propulsion systems work?
  • Explain the reason that why the tyres are always black in color. Is tthis phenomenon related to the heat conduction?
  • What is BHP? How can you measure BHP?
  • What will happen if someone adds oil to the fuel of four stroke bike engine?
  • How will you differentiate between two stroke engine and four stroke engines?
  • How will you differentiate between two stroke engine and four stroke engines?
  • What is the range of engine efficiency in case of two stroke engine?
  • What do you understand by CC of engine?
  • What is back compressor in engines?
  • How air conditioners work in cars?
  • What are three methods of heat transfer?
  • Why the plastic materials used in the screwdriver’s handles?
  • Does diesel engine powered automobile use unit pump and unit injector?
  • If we use gasoline in diesel engine, what will happen?
  • What is octane number and cetane number?
  • What is the reason for emitting the white exhaust smoke during start of the vehicle? How will you prevent this?
  • What is Operating Pressure?
  • What is Difference between stamina and strength?
  • What is Hydrostatic System?
  • What is meant by One Ton Air-Conditioner?
  • State 1st Law of Thermodynamics?
  • If you heat a steel pipe with the hole at center, how does heat affects the whole diameter?
  • What are the different types of fits? Explain?
  • What are the factors that can affect the Factor of safety selection?
  • What is heat treatment and why is it done?
  • What are the rules that must be kept in mind while designing castings?
  • What are the points that should be kept in mind during forging design?
  • Describe briefly the different cold drawing processes.
  • What are the different theories of failure under static load, explain briefly?
  • What are the assumptions made in simple theory of bending?
  • Why stress is considered important in a shaft?
  • What do you understand by the Hooke`s Coupling what are its purposes?
  • What kind of materials should be used for shafts manufacturing?
  • Why should a chain drive be used over a belt or rope driven drive? State pro`s and con`s?
  • During the design of a friction clutch what are the considerations that should be made?
  • What are the basis on which the best material for Sliding Contact Bearings manufacturing?
  • Briefly explain the advantages of Cycloidal and in volute gears?
  • How can the reaction of support of a frame be evaluated?
  • Explain in an orderly manner how the force in the member of a truss be detected using the method of joint?
  • In order to derive the torsional formulas what are the assumptions taken?
  • What are Bevel Gears and what are its types?
  • What are the different values that need to be determined in order to design a cylinder for an ICE?
  • What are considerations taken into account while creating a piston head?
  • What is mechanism?
  • Explain the difference between pipe and a tube?

Yahoo Company HR Interview Questions For Freshers

  • In this section, we are presenting HR interview questions for the fresher’s who are going to participle in Yahoo company interview. We suggest contenders should take a gap before diving into your answer for the better performance.
  • Why have you applied for this particular job?
  • What are your greatest weaknesses?
  • Where do you expect to see yourself five years from now?
  • Can you work under pressure?
  • Are you willing to relocate or travel? 
  • Salary expectation
  • If you got a chance to change something in yourself, then what will you change?
  • What are your other interests or likes?
  • What would be your life’s toughest decision?

Yahoo Company Technical Interview Questions For Experienced

The attitude of the interviewer will be immeasurable in this round. He/she is always focused ton knowing your knowledge level regarding the core subjects you are pursued in graduation Be honest, even if you don’t know the answer. In order avoid that dumb situation the contenders should go through this section keenly.

Java Developer Interview Questions
  • What is the difference between an Abstract class and Interface?
  • What is checked and unchecked exceptions?
  • What is a user defined exception?
  • What is the difference between C++ & Java?
  • What are statements in JAVA?
  • What is JAR file?
  • What is JNI?
  • What is serialization?
  • Why there are some null interfaces in java? What does it mean? Give me some null interfaces in JAVA?
  • What is the advantage of Hibernate over jdbc?
  • What is Hibernate?
  • What is ORM?
  • What does ORM consists of?
  • What are the ORM levels?
  • Why do you need ORM tools like hibernate?
  • What Does Hibernate Simplify?
  • What is the main difference between Entity Beans and Hibernate?
  • What are the Core interfaces and classes of Hibernate framework?
  • What is the general flow of Hibernate communication with RDBMS?
  • What is IOC (or Dependency Injection)?
  • What are the different types of IOC (dependency injection)?
  • What are the benefits of IOC (Dependency Injection)?
  • What is spring?
  • What are the advantages of spring framework?
  • What are features of spring?
  • What is web module?
  • What are the types of Dependency Injection Spring supports?
  • What is Bean Factory?
  • What is Application Context?
  • What is JSP? Describe its concept.
  • Explain the benefits of JSP?
  • Is JSP technology extensible?
  • Can we implement an interface in a JSP?
  • What are the advantages of JSP over Servlet?
  • Differences between Servlets and JSP?
  • Explain the differences between ASP and JSP?
  • Can I stop JSP execution while in the midst of processing a request?
  • How to Protect JSPs from direct access?
  • Explain JSP API?
Web Methods Developer Interview Questions

  • What is EAI?
  • What are the Major categories of EAI?
  • What are the Advantages of EAI?
  • What are the disadvantages of EAI?
  • What are the main companies which provide EAI tools/software?
  • What is web Methods?
  • What are the modules of web Methods Product Suite?
  • What are the tools of web Methods Integration?
  • What Is Developer?
  • What Is an Element?
  • What Is a Startup Service?
  • What Is a Flow Service?
  • What Is the Pipeline?
  • How to invoke a service from a browser?
  • What happens when the pub flow trace Pipeline service is invoked?
  • When creating a BRANCH flow element, what is the purpose of the "scope" field on the Properties tab?
  • What is the primary function of the built-in pub flow save Pipeline service?
  • When you create and save the FLOW "my.pack: myFlow" in the "My Pack" package, where will you find the code?
  • What is the Branch operation?
  • What is the default behavior, if a Flow EXIT does not specify a "from"?
  • An Integration Server package may have one or more startup services. When does a startup service execute?
  • By default, the web Methods Integration Server has an HTTP listener assigned to which port?
  • How can the web Methods Integration Server logging date format be changed?
  • After a default installation, in order to use the pub.file: getFile service, what needs to be done?
  • What happens when the pub.flow: trace Pipeline service is invoked?
  • How to use SEQUENCE as the Target of a BRANCH?
  • How to Restore a Session on a Server?
  • How to open a session on a different server?
  • How ACLs Affect locking?
  • How to Change the Order of Steps in a Flow Service?
  • When and why should we use transformers and flow services? How are they different from each other?
  • What are Structural transformations?
  • How to Move Flow Steps?


SAP Developer Interview Questions

  • What are the advantages and disadvantages of using views in ABAP programming?
  • How data is stored in cluster table?
  • Have you used performance tuning? What major steps will you use for these?
  • How to create client independent tables?
  • What type of user exits have you written?
  • How can you debug a script form?
  • What are the different types of data dictionary objects?
  • What is the step by step process to create a table in data dictionary?
  • What are the domains and data elements?
  • What is a collect statement? How is it different from append?
  • What are the extractor types?
  • What are the steps involved in LO Extraction?
  • How to create a connection with LIS Info Structures?
  • What is the difference between ODS and Info Cube and Multi Provider?
  • What are Start routines, Transfer routines and Update routines?
  • What is the difference between start routine and update routine, when, how and why are they called?
  • What is the table that is used in start routines?
  • Explain how you used Start routines in your project?
  • What are Return Tables?
  • How do start routine and return table synchronize with each other?
  • What is compression?
  • What is Rollup?
  • What is table partitioning and what are the benefits of partitioning in an Info Cube?
  • How many extra partitions are created and why?
  • What are the options available in transfer rule?
  • How would you optimize the dimensions?
  • What are Conversion Routines for units and currencies in the update rule?
  • Can an Info Object be an Info Provider, how and why?
  • What is Open Hub Service?
  • How do you transform Open Hub Data?
  • How to check list of tcodes within a SAP system and where to look for tcode names and program values?
  • How we can disable the "IMPORT ALL" button on STMS tcode?
  • What is different between client refresh and client copy?
  • What is the purpose of table T000?
  • How do you create an exceptional password list?
  • What is the purpose of table USR02?
  • How can you check/tell if a transport entry is in the process of being imported?
.NET Developer Interview Questions
  • What is Remoting?
  • What is the main use of a namespace?
  • What is the difference between early binding and late binding?
  • Can one DLL file contains the compiled code of more than one .NET language?
  • What is a Clustered Index?
  • What is a Non–Clustered Index?
  • What type of data model does an OleDbCommand object fill?
  • Which method do you invoke on the Data Adapter control to load your generated dataset with data?
  • What is the difference between Dataset? Clone and Dataset. Copy?
  • What is Data Adapter?
  • What is a Command Object?
  • What is the basic use of Data View?
  • What is the use of Connection Object?
  • What is a stored procedure?
  • Explain CLR, CTS, and CLS under .NET Framework?
  • What is BCL?
  • What is an extended class?
  • What is inheritance hierarchy?
  • Define Overriding?
  • What are events and delegates?
  • What are functional and non-functional requirements?
  • What is code review?
  • What is MIME?
  • What is the difference between Servers? Transfer and Response. Redirect
  • How you can add an event handler?
  • What is the good practice to implement validations in aspx page?
  • What is Cross Page Posting?

Yahoo Company HR Interview Questions For Experienced

This is the round which is another way to get a grip on your weakness or mistakes. So be careful while answering the questions because eventually being honest can damage many things. A Little diplomacy would not hurt anyone. In order to get that diplomatic answering skills follow this section carefully.
  • Why did you change your last job?
  • Why should I hire you?
  • What you didn’t like about your previous job? 
  • Aren’t you overqualified for this position? 
  • Why do you want to work at our company? 
  • Why have you changed so many jobs?
  • How do you feel about shift rotation?
  • Whom you mentioned as reference in your resume, do mind if I contact your previous employer?
  • Are you happy with your career now?
These are the basic questions which are frequently asked in Yahoo Interview Rounds. We hope this article will help you during interview time and if you have any other question for us you can ask through comment box on our website. We are always ready and happy to help as soon as possible. Keep visiting our site www.allindiajobs.in regularly.