• VIT

    VARIABLE INJECTION TIMING IS A METHOD IN WHICH THE TIMING OF FUEL INJECTION IS ALTERED FOR BETTER THERMAL AND POWER EFFICIENCY AND LOWER THE SPECIFIC FUEL CONSUMPTION. NOW THE QUESTION […] Continue Reading →

  • BOILER CORROSION

    ELECTROCHEMICAL CORROSION:-  WHEN IRON COMES IN CONTACT WITH WATER, HYDROGEN IONS TAKES ELECTRONS FROM METAL AND BECOMES HYDROGEN WHILE OH(-) REACT WITH METAL TO FORM HYDROXIDE OF METAL. THIS LEAD […] Continue Reading →

  • BOILER SAFETY VALVE

    SAFETY VALVE:- BOILER ARE TO BE FITTED WITH NOT LESS THAN 2 SAFETY VALVES EACH HAVING A MINIMUM INTERNAL DIAMETER OF 25MM. BUT THOSE HAVING HEATING SURFACE < 50 SQM. […] Continue Reading →

  • PUMPS

    Q.) Draw the characteristics of centrifugal pump? Ans.)   Q.) Why Q drops when H increases? Ans.)Q is directly related to flow velocity and following Bernoulli’s equation, if H increases, kinetic […] Continue Reading →

  • PURIFIER

    PURIFIER LINE DIAGRAM Q) What are the different processes by which fuel oils can be purified? A) 1. Gravitational method i.e. put the oil in settling tank and then draining […] Continue Reading →