REB Assistant Engineer Questions

REB (Rural Electrification Board) Assistant Engineer Recruitment Test Question, Compiled by Engr. Rony Parvez (IUT), Courtesy by Engr. Towhid (CUET) | 
REB is a government organization which head office is in Dhaka. It is under the Ministry of Power Division. It is the largest power distribution in Bangladesh. 

DPDC Assistant Engineer (Electrical) Questions

Recruitment Test : DPDC Assistant Engineer (Electrical)
Venue : BUET , Compiled By Engr. Kazi Mahmudul Hasan (RUET)

1. Find IB, ICQ, VCE ( Collector Feedback Transistor Circuit)
β= 90, R1= 420 K, R2=15 K, R3=7 K, V= 10 V.
2. Find the H(w) from following equation
4 d2y/dt2 + 2 dy/dt + 3 y (t) = 4 u(t)
3. Draw i) Unipolar RZ ii) Bipolar NRZ iii) Bipolar RZ signal for 11011001 Bit . In practical purposes which one is used and why?
4. A transformer delivery load 3A of P.F. =0.2. its primary and secondary turn ratio 1000 & 200. Find primary current when secondary delivering 80 A at P.F. = 0.8 . Also find primary power factor.
5. A transformer of 4 MVA, 13.2 KV has impudent ( 0.07 + j0.147) delivering power 8 MVA short transmission line having impedance 2 + j0.5. Load at the end of transmission line 10 MVa, 13.2 KV. Find impedance on new base 10 MVA, 13.2 KV also draw the circuit diagram.
6. A Balance Delta Load having resistance 10Ω of each phase is parallel with Balance Y-load having impedance (10 +  j6) of each phase. The supply voltage is 110 V. Find current and line voltage.

45th BMA Assistant Engineer (MECH.) Questions



1. The Purposes of Heat treatment.
2. a) Difference between ABS and TCS
    b) 1st Law of Thermodynamics
3. What is refrigeration?
4. a) Write down the Ohm’s law
    b) Difference between IC Engine and Steam Engine
5. a) Why use cutting fluid?
    b) What is FEI?
6. Describe- a) Compression ratio b) Poision ratio c) Volumetric efficiency
                    d) Piston displacement
7. Difference between motor and pump.
8. Difference between impulse turbine and reaction turbine
9. Difference between supercharge and turbocharger
10. Advantages and disadvantages of LPG in using a CAR..