RRB Mumbai JE Electrical Mechanical Previous Paper 2007

RRB Junior Engineer Mumbai Electrical and Mechanical Previous Paper Download From Below.Also can get RRB Jr.Engineer Secunderabad Previous Paper, Railway Recruitment Board Technical and General Questions

1. The main function of a switch is to safely
1. Break the circuit
2. Make the circuit
3. Make and break the circuit
4. Regulate the current flow in the circuit
Answer: 3

2. In house wiring employing looping in and looping out system, neutral is looped in and out from
1. ceiling rose
2. lamp holder
3. socket
4. All of these
Answer: 4

3. Electrical fires should only be extinguished by the use of
1. water
2. carbon tetra chloride fire extinguisher
3. foam type fire extinguisher
4. Anyone of these
Answer: 4

5. Which of the following gases is lightest?
1. Nitrogen 2. Corbon dioxide 3. Hydrogen 4. Oxygen
Answer: 3

6. Which of the following does not fit into the series: 1, 3, 7, 15, 27, 63, 127?
1. 7 2. 63 3. 27 4. 15
Answer: 3

RRB Mumbai Previous Paper 2007 for Technical Jr.Engineer Mechanical and Electrical

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