MEO CLASS IV FUNCTION-5 (EECEOL) ORAL QUESTIONS PART-2

Q. Why is a Megger used for insulation test and not a multi meter? Ans- With a megger,a voltage of not less than...

MEO CLASS IV FUNCTION-5 (EECEOL) ORAL QUESTIONS PART-1

Q. What is the function of commutator in DC motor? Q. What is Fleming’s law? Q. What are the emergency generator...

SHIPBOARD SAFETIES IN BRIEF

ENGINE ROOM CRANE BRAKE SAFETIES Measure distance between magnet & armature, clearance should be 0.5 mm around the armature (Refer manual for exact...

CRANKCASE EXPLOSIONS

Under the normal conditions the atmosphere in the crankcase when the engine is running contains a large amount of the relatively large oil droplets of size (200...

QUESTION BANK MARINE ELECTRICAL TECHNOLOGY PART-4

Q a) Explain why it is necessary to have reverse power protection for alternators intended for Operation. b) i. Sketch a reverse power trip.

MAIN SWITCH BOARD (MSB) SAFETIES

MSB to be installed on the raised platform. The location where the MSB is installed should have good ventilation, illumination & affected by minimum...

NEGATIVE PHASE SEQUENCE RELAY

Negative Sequence Relay: Negative sequence relay is used to protect the alternator or generator from the unbalance loading & negative sequence component. The...

LATEST ELECTRICAL TECHNOLOGY MMD ORAL Q & A PART-8

(a) With reference to water level control system, with the aid of sketches, how remote control of boiler water is achieved? (b)...

LATEST ELECTRICAL TECHNOLOGY MMD ORAL Q & A PART-7

(a) Pneumatic lock up and fail safe system Pneumatic lock up and fail safe system serve to bring about particular valve position in...

LATEST ELECTRICAL TECHNOLOGY MMD ORAL Q & A PART-6

(a) Explain about BJT (Bipolar Junction Transistor),Uni-junction transistor. (b) Describe about NPN and PNP transistor with sketch. (c)...

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