Don’t worry I will provide you Junior Trainee post, Electrical Engineering stream exam paper so that you can prepare hard for Vizag Steel.

Here is the exam paper

1) Impedance of an a.c. circuit is a ________________. a) phasor b) vector quantity c) scalar quantity d) none of the above.

2) The active and apparent powers of an a.c. circuit are equal in magnitude. The circuit power factor is ……. a) o.707 b) 0.5 c) 0.8 d)1 View Answer Option – d)

3) The power factor of a.c. circuit is ……….. a) 0 b) 1 c) -1 d) none of the above View Answer Option – b)

4) A series resonant circuit magnifies ………… a) voltage b) current c) both voltage and current d) none of the above View Answer Option – a)

5) The Q factor of a coil is given by …….. a) R/XL b) I/XL c) I/R d) XL/R View Answer Option – d)

6) Dynamic impedance of a parallel tuned circuit is ………… a) L/CR b) RL/C c) L/C d) R/L View Answer Option – a)

7) Power factor of a circuit can be improved by the use of a) choke coil b) capacitor c) induction motor d) none of the above View Answer Option – b)

8) Wattless current is said of flow when phase angle between voltage and current is a) 900 b) 00 c) 600 d) 1800 View Answer Option – a)

9) In the above question, what is the true power supplied to the circuit ? a) 9 W b) 18 W c) 4.5 W d) 36.8 W View Answer Option – c)

10) In an R-L series a.c. circuit XL=R. the phase angle is a) 900 b) 300 c) 450 d) cannot be predicted.

11) Power required by Fan in forced draught is …… to that of induced draught a) less b) more c) same d) none of these View Answer Option – a)

12)Carnot cycle comprises of (a) two isentropic processes and two constant volume processes (b) two isentropic processes and two constant pressure processes (e) two isothermal processes and three constant pressure processes (d) none of the above View Answer Option – b)

13) Thermal efficiency of steam power plant is maximum at boiler pressure of a) 120 bar b) 146 bar c) 166 bar d) 156 bar View Answer Option – d)

14)Economiser is used to heat (a) air (b) feed water (c) flue gases (d) all above View Answer Option – b)

15) Rankine cycle efficiency of a good steam power plant in the range of a) 20 to 25% b) 35 to 45% c) 10 to 20% d) >50% View Answer Option – b)

16) Heating of dry steam above saturation temperature is known as a) Enthalpy b) Super heating c) Latent heating d) Super saturation View Answer Option – b)

17) In the Rankine cycle, the heat rejection process takes place at constant a) enthalpy b) volume c) pressure d) entropy View Answer Option – c)

18) Maximum steam pressure in a locomotive boiler is limited to a) 9 bar b) 10 bar c) 18 bar d) 22 bar View Answer Option – c)

19) Which of the following is not a safety valve for the boilers ? a) lever type b) sliding type c) dead weight type d) spring type View Answer Option – b)

20) Lancashire boiler is a _______ boiler a) single pass b) two pass c) three pass d) four pass.