Test 2 General Electrical Engineering

1 25 kV, 50 Hz, 1 - φ supply is used for supplying power to the locomotives throughout India except which zone ? 

A. West. 
B. East. 
C. South. 
D. North-East.Answer

2 Three resistors, each of R ohms, are connected to form a triangle. The resistance between any two terminals will be 

A. 3 / 2 R. 
B. 2 / 3 R. 
C. R / 2. 
D. 3R.Answer

3 A 100 W bulb is connected in series with a room heater. If now 100 W bulb is replaced by a 40 w bulb, the heater output will 

A. decrease 
B. increase 
C. remain the same 
D. unjustifiedAnswer

4 Which of the following statements is false in case of a series circuit? 

A. The current flowing through each resistor is the same. 
B. The voltage drop across each resister is same. 
C. Resistors are additive. 
D. All of above are false.Answer

5 Which of the following quantities are same in all parts of a series circuit? 

A. Current. 
B. Resistance. 
C. Voltage. 
D. Power.Answer

6 Conductance is the reciprocal of what? 

A. Resistance. 
B. Inductance. 
C. Reluctance. 
D. Capacitance.Answer

7 You have to replace 1500 Ω resistor in radio. You do not have any 1500 Ω resistor but have several 1000 Ω ones which way you would connect them ? 

A. Two in parallel. 
B. Two in parallel and one in series. 
C. Three in parallel. 
D. Three in series.Answer

8 Bulbs in street lightning are all connected in which format? 

A. Parallel. 
B. Series. 
C. Series-parallel. 
D. End to end.Answer

9 1 newton metre (N - m) = ? 

A. One watt. 
B. One joule. 
C. One joule second. 
D. Five joules.Answer

10 In a delta network each element has value R. The value of each element in equivalent star network will be equal to 

A. R / 6. 
B. R /4. 
C. R / 2. 
D. R / 3.Answer