Rony Parvej’s EEE Question Bank
M.Sc. Admission Test-2014, BUET
Admission Test Question of Bangladesh University of Engineering Technology (BUET) Collected from : Tamal Sarkar (RUET’08) & Imam Hasan (DUET’04)
Compiled by: Rony Parvej (IUT, EEE’07) Post: M.Sc. in EEE Time: Unknown Exam Date: 26.09.2014
Full Marks: Unknown Venue: BUET
1. Find the voltage across 1Ω resistance in the following circuit:
2. What is the value of (a-b) in the following circuit?
3. Draw the phasor diagram of the following RC circuit:
4. In a Y-connected balanced 3-phase circuit Vph = 208 V, p.f. =0.6, P = 300W. Zph = ? ( ইমাম হাসান)
given line voltage 208V, power, pf 0.6. y-y connection balanced 3phase, find impedance on each phase-math ( তমা) 5. v= 20 sin (ɷt) + 15 sin (2ɷt) – 10 sin (3ɷt) i = 6 sin (ɷt+20) + 2sin (ɷt +30) - sin (3ɷt + 60) . Find average power. ( ইমাম হাসান ভাইয়ের কাছ থেয়ক পাওো তেয অনুযােী)
v=a sin (ɷt)+ b sin( 2ɷt) + c sin(3ɷt) i=d cos (ɷt+30)+ e cos (ɷt-30) + f cos (ɷt+120) .Find average power. ( তমায়র কাছ থেয়ক পাওো তেয অনুযােী)
Rony Parvej’s EEE Question Bank M.Sc. Admission Test-2014, BUET 6. Two line currents of an unbalanced 3-phase, 3-wire system are 100∠90° A and 110∠-10° A. Find the third line current. 7. A single line diagram indicated by a point, given 6 fault current from primary and secondary side. what type of fault to be determined. ( তমা)
Determine the type of fault. ( ইমাম হাসান) 8. .
9. Stevenson Junior এর বইয়ের (4th ed.) 200 page এর 8.1 নং টাইয়পর অংক 10. Determine the induction torque in a 400 V, 50 Hz, 4-pole, Y-connected induction motor operating at 2% slip with 240W power being lost in it’s motor winding. 11. If VS = sine wave, then draw Vin - Vout transfer curve.
( ইমাম হাসান)
Draw Vin vs Vout transfer curve of an op amp with 5v reference at negative input, sine wave in positive input , biasing 12V, at output two zener diodes of 7V and 9V were connected face-toface. ( তমা) 12. Answer in one word: i) peak demand in summer in BD ii) load factor of a base load station iii) Iv) v) 13. 5 MCQ Questions 14. Draw the CMOS complex gate logic circuit function on F = A’ (B’ + C’ ) .
Rony Parvej’s EEE Question Bank M.Sc. Admission Test-2014, BUET 15. 6.8 V Zener diode, VZ =6.8 V , IZ = 5 mA, rZ =20Ω, IZK =0.2 mA. Find output voltage.
( ইমাম হাসান)
Zener diode math with fixed load (a very tough one indeed) with PZ, IZ, IZK, RL. Find output voltage. ( তমা) 16. Find VC , α and β for common emitter bias.
17. x(t) = 2 sin ( 400 πt ) + 4 cos ( 600 πt ). Sampling of 2400 Hz. (a) Find the equation of x(n). (b) Find the period of x(n). (c) Draw the spectrum of x(n). 18. Signal power = 2 MW, Noise power = 1.95 MW. Find maximum data rate and Shanon’s capacity. [Find maximum delta modulation এবং shanon’s theorem (300-3300) Hz এই টাইপ কক নাকক উয়েখ কছ। তেযদাতা পুয়রাপুকর ময়ন রাখয়ত পায়রনকন। ] 19. True- False কছ ৪ টা ।
20. x (t) = 1.5 cos (800πt) is to be PCM with minimum SQNR of 25dB. How many bytes are required for encoding each having uniform quantization. 21.
Rony Parvej’s EEE Question Bank
M.Sc. Admission Test-2014, BUET
22. . B.P lathi এর বইয়ের (exercise 6.2. 5) ECG এর math
23. Draw the block diagram of a optical fibre communication system. What type of technique is widely used in multiplexing and what is the most common wavelength used in optical fiber now a days. 24. a verilog code was given which was actually a Negative edge clock D-FlipFlop. থকায়ের থকান থকান াইন execute কয়র থসটা থবর করয়ত হয়ব।
