APGENCO AE Question Paper Key 23 April 2017- Mechanical Engineering


APGENCO Mechanical Engineering AE Question Paper Key 2017 – APGENCO Trainee Assistant Engineer Recruitment Exam held on 23 April 2017. Andhra Pradesh Power Generation Corporation Limited APGENCO notification issued to fulfill the Vacancies of Trainee Assistant Engineer Posts.

APGENCO Mechanical Engineering AE Question Paper Key

APGENCO Question Paper key updated here now. Key for the Booklet Set code A available to download. Candidate should note that Each set of the Question Paper will have same questions in jumbled order.

APGENCO Mechanical Engineering Question Paper 2017 – Set A

APGENCO Trainee Assistant Engineer Exam Pattern

Andhra Pradesh APGENCO Trainee Assistant Engineer Exam is an objective type test and the questions are of multiple choice. Question Paper consists of 100 questions of one mark each in the following topics

100 questions: 100 Marks: Time 180 Minutes

Section A: 70 Questions

Questions on core Academic curriculum of Mechanical Engineering Discipline

Section B: 30 Questions

Questions on Analytical Aptitude

APGENCO Mechanical Engineering AE Key

APGENCO Mechanical Engineering Key paper – APGENCO Answer keys available here in PDF format so that it is easy to Download Key. Candidate who has appeared for the APGENCO Exam can download APGENCO Trainee Assistant Engineer Answer Key for Paper Code A from the following links.

APGENCO Mechanical Engineering Key – SET A

APGENCO Mechanical Engineering AE Preliminary Key

Andhra Pradesh APGENCO Preliminary Key and Official Final Key will publish at APGENCO official website apgenco.cgg.gov.in. APGENCO Preliminary Key available now.

Candidates can Estimate their Marks with the help of Key. Students can also use marks for Rank Prediction. Candidates are advised to check the Key from the Official website only. The Final Key used for calculating the Score and Rank. To get the Answers Key candidate need to log on to the website and Click on Appropriate Paper Code.

Submit the Key objections if any to [email protected] on or before 27-04-2017 by 3.00 P.MA

Here we are providing some of the questions asked in the Exam on 23.04.2017

1. The strain energy corresponding to the stress at the elastic limit is known as ______

Proof resilience

2. The radius of a Mohr’s circle indicates________

Maximum shear stress

3. Newton’s  law of viscosity states that ___

the shear stress is proportional to the velocity gradient

4. The centre of pressure of any submerged plane surface is ____

always below the centroid of the surface 

5. Stream line is defined as_____

an imaginary line, the tangent to which at any point indicates the direction of motion at that point

6. The Reynolds number for turbulent flow in pipes is _______

 greater than 4000 

7. The head loss due to friction in a pipe is proportional to

square of the velocity of flow 

8. Propeller turbine is suitable for

high head installation above 180 m 

9. Tempering of hardened steel is necessary to improve


10. Solder metal is an alloy of

Lead and Tin

11. In L-D steel making, the nature of final slag can be described as

 Oxidizing and basic

12. Annealing of white cast iron produces

malleable iron

13. Self locking is not possible in case of

simple band brake

14. In a 200 pressure angle involute gear, how can interference be avoided ?

Using more than 20 teeth

15. Autofretting means

a type of pre-stressing

16. The purpose of rubber bushing in flexible coupling is to

allow small misalignment of the shaft 

17. What is the mechanical advantage for a four bar linkage in toggle position ?


18. In supercharged IC engines, the volumetric efficiency is

More than 100%

19. The  chemical name of Freon 22 is


20. Higher octane number of a spark ignition  fuel indicate

longer ignition  delay

21. The unit of Stefan Boltzmann constant is

W/cm2 K4

22. Absorptivity of a body will be equal to its emissivity

when the system is under thermal equilibrium

23. SI engines are governed by

Quantitative Governing

24. The ratio of the cumulative heat drop to the isentropic heat drop is

Reheat factor

25. Gas turbine cycle with regenerator improves

thermal efficiency

26. The increase in entropy of a system represents

degradation of energy



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