class II

Static electricity is an variation of electric charge within or on the surface of a material. The charge remaining until it is able to move away by means of an electric current or electrical...

Transformer is an electrical instrument that can transfers the electrical energy between two or more circuits through electromagnetic induction. Commonly, transformers are used to increase or decrease the voltage of a alternating current in...

1.Failure to build up pressure Causes: Loss of suction / air ingressDischarge valve stuck in closed positionMotor inoperationalInternal damage due to wear & tear Remedial Actions: Identify cause & rectify same 2. Vibration Causes: It is because of bearing damageMisalignment to couplingDamage to...

1.Auxiliary boiler feed water pump breaker faulty Causes: Breaker is tripping. It is not holding at ON position. Remedial Actions: Operate the system with the standby pump. Isolate the faulty breaker & change with new one. 2. Auxiliary boiler feed water pump...

1. Oil consumption High Causes: Low level alarm is triggered due to oil leakage.May result in system being isolated if low low alarm is trigerred. Remedial Actions: Rectify the leakage at the earliest.Isolate the system if leakage is very...

1. Alternator shows no voltage Causes: Exciter field resistance is too high or there is a loss of residual magnetism.Short-circuit in excitation circuit probably between leads to field or alternator slip rings.Insulation of windings is not proper.Fault in...

1. Fuel oil purifier feed pump breaker faulty Causes: Breaker is tripping. It is not holding at ON position. Remedial Actions: Operate the system with the standby pump. Isolate the faulty breaker & change with new one. 2. Fuel oil...

1.Fresh water generator Ejector sea water pump over current trip Causes: Pump is drawing high current & over current relay is tripping the breaker. Remedial Actions: Isolate the pump and rotate the shaft by hand. Check for possible reason of...

Running-In Operation When the engine is started for the first time or immediately after replacement of the parts, such as the cylinder liners and piston, since the sliding parts of the engine are not yet...

1.Main air compressor breaker faulty Causes: Breaker is tripping. It is not holding at ON position. Remedial Actions: Fill up the air bottle with another air compressor. Isolate the faulty breaker & change with new one. 2. Main air compressor outlet...