Technical Portion (Electrical):
1- Change-over switch is used with which of the following VCB MCB, ACB, OCB, SF6

2- Direction of the circular magnetic field lines can be given by Maxwell's right hand grip rule or Right handed cork screw rule.

3- Name the capacitor bank used with generator in which charging is done in parallel and discharging in series?

4- Continuous rating of MCCB is based on?
rated voltage, working voltage, (2 options more)

5- Sensor in lifts to check entry and exit of people?
over-load,infrared, heat sensor, (one option more)

6- Which is easy to handle way to control a lift?
PLC, solid state logic, (2 options more)

7- name the button outside the lift gate?

8- LAN can be supported with?
DeFCOM, PABX, SBDN, PSTN

9- recoprcal of pF is called?

10- Oldest CB?

11- Why super node is used in circuit analysis?

12- we use VCB is used to avoid
Speed triping, slow triping

13- bit rate in x.25 protocol?

14- which relay is use for very short distances?
IDMT, DTOC, DTOr, IOCr

15- Variable speed drive works by varying?
voltage, freq, current, V and f both

16- Formula to add KVAr capacitor bank to uplift pF?

17- Which thing makes a 3-phase motor to handle easy?
magnetic contacts,and 3 more options

18. LT circuit breaker
a. ACB
b. VCB
c. OCB
d. SF6
19. In distributed panel, which CB is used
a. ACB
b. VCB
c. OCB
d. SF6
29. Old CB for arc protection.
a. ACB
b. VCB
c. OCB
d. SF6

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