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ESSAR PAPER - 01 JUL 2007


Technical Questions:

1) Composition of gunmetal?.

2) What is the fuel used in airplanes?.

3) Specific heat capacity of air?.

4) Melting point of Aluminum?.

5) If a ball is kept at aheight of x(m), from that position it is dropeed .Does the p.e is equal to the K.e if  the ball goes inside the earth as same distance where it is relieved?.

6) Viscosity of the lubricant ---------- with increase in temperature?.

7) What amount of power required to make the 2-strke petrol engine to 4-stroke diesel engine?.

8) Which engine is the most efficient in terms of compression ratio?.

9) for the same compression ratio heat removed in each cycle is efficient in otto or diesel cycle?.

10) Use of draft tube in turbine ?.
a) to increase work o/p of runner b) To increase turbine output.

11) Percentage of carbon in tool steel?.

12) Introduction of sulphur in mild steel increases or decreases the machinability?.

13) Is bernoullis theorem is applicable for steady or unsteady flow?.

14) Axial turbine is of which type?.
a) high head b) low head.

15) corrosion is inhibited due to oxidation or reduction?.

16) Binary power cycle uses ---------as working fluid?.

17) the purpose of runner in casting ----------

18) shape of a u.d.l.of cantilever beam is?.

19) which has high coefficient of friction ?.disc or band brakes

20) Engine valve seat is cooled at ----- temperature in liquid nitrogen(-180C)

21) Bucling is high in bar which is greater or smaller in length?.

22) Formula for deflection of beam? Ans; PL/AE

23) Which law says that pressure can be transferred from onr point to another in an undiminished form?.

24) Is Vane pump is Positive or non-positive displacement pump?.

25) As the altitude why density of the decreases?.

26) In the reversible adiabatic process entrophy is constant or not?

27) In which process the temperature of the system changes but there is no heat transfer to the surroundings?.

Technical cum HR Interview:  
I explained my miniproject
Asked question in my area of specialization?
Asked my name details?.
What is ur future plan about ur career?

It is quite easy, there was appreciable elimination in GD. (checked only the logical ability, clarity of thought and simple English)

Apart from that First round is online test comprises of 120 question equally divided into four sections (V, L, Apti, Tech). U need to be really quick in this because there will be Time count on the screen itselt.

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