BHEL Placement Paper Whole Testpaper University College Of Engg,Hyd-29 Nov 2009
Branch:-Electrical Technical Questions 1.SCR of an alternator is___________________________(Ans :inversely proportional to Xs adjusted in P.U) 2.In Synchronous Impedance method the regulation is__________(Ans: Higher than actual) 3.Thyristor which is in forward blocking method will conduct if________(Ans:-Positive gate pulse to Cathode) 4.SC test of T/F will give __________( Copper lossers) 5 741 IC is an ____________(OP amp) 6.For ideal Op amp _________(Zin =infinite and Zout = 0) 7.S^2-5s+20/S^2+5S-20_______________________( All pass or Band Eliminator or.... 8 Memory allocated for LIFO is _____________(Stack) 9.A register which stores the address of the instruction to be executed is___________(Program Counter) 10 MHO relay is a _______( Directional Over current relay) 11. A directional relay has___________ type of characteristics 12 MC is used for __________(measuring DC) 13 A Converter can be operate as inverter if ______________( Ans Full converter (may be) Commutation circuit also) 14 Coupling used when the shafts are not inline___________(Universsal) 15.first Nuclear Power plant in India is ____________(Tarapur) 16 Nuclear and Thermal are used as_________( Base Load plants) 17. Which Plant has max No. of auxillaries___________(Thermal) 18.In T/L to transfer max power______(---) 19. An Cascade amplifier has which type of intermediate stages__________(CE-CB) 20 Syn M working @ UPF if Exc is increased it operates at___________(Lead PF) 21 Current corresponding to max Efficiency in a T/f given Pi and R______________(Sqr Rt of(Pi/R) 22. Input to Stator of I/M is 40 KW slip is 5% then Torque in Syn Watts when Stator Cu losses & Iron losses are Neg________________(38 W) 23 Blocked Rotor Test givs ___________(Cu losses) 24. N type impurity is_______________(Phosporous) 25 An Eg of Semi Conductor____________(Germenium) 26 Cable insulation resistance is ______________(inversely proportional to length) 27. Hand driven tools use_________(Shaded pole induction motor) 28 A Hysteresis Motor runs at ____________( Sync , Sub- Syn & Super Syn Speed) 29 Octal 56 to Binary_______(46) 30 Sinusoidal Pulse width Modulation what can be controlled ________(freq , Volt & Harmonic) 31 A nullator is a _____________(find out) 32 First law of Thermodynamics __________(Q=dU+W) 33 In watches which type of oil is used__________(find out) 34 In shafts for operating at high temp type of lubricant used is ___________(find out) A couple of questions on Thevenin. Some questions on Control systems ( Basics) Some on Alternator and T/f parallel operations( 6 Qs) Non Technical:: Quant: Questions on Venn diagrams (10), Percentages-Ratios-averages, Speed and Work , Kinematics, Shares , Time and Distance, Calendars, Geomentry( 20 Q from Basics)................ English: Sentence correction( 5), Vocab(Syn n Ant10 Q), Jumbled sentences (5), RC (5 Q), Spellling Mistakes (5Q) Reasoning : Blood relations(2), Odd men out(3), Arrange in proper order (3 Q eg: Plant ,cloth, Yarn, saree, cotton.)Deductions, For all these topics R.S Agarwal is more than sufficient. Thats it Folks hope this will help u out .........................ALL D BEST Naresh, Harsha ,Sam , Sandeep & Abhinav.
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