Explain nox formation ? Why nox form in 2-stroke more than 4-stroke ?

Explain contra rotating propeller and how it cancels rotational losses ?

What are the safeties of main switch board ?

Soft starting of motor details and advantages. star delta starter working and how contactors are changed ?

Different methods of converting ac to dc , details of bridge rectifier ?

Steering motor stopped for 5 days when started motor is vibrating humming noise is coming & motor not running , action ?

Explain insulated and earthed neutral system details , advantages and disadvantages.

Explain brushless generator details , advantage over conventional type(mechanical and electrical) ? ...

What are the insultation types with temperatures ?

Explain electrical survey of the alternator ?

Explain diode testing ?

Explain zener barrier ?

How governor controls the voltage ?

Explain parametric rolling ?

What are the new things added in lsa code ?

How do you plan for docking survey ?

Explain tank cleaning procedures and requirements ?

What is P&A manual ?

What is trickle charging & why does it require ? value of trickle charge current ?

Which type of insulation class is fitted in seperator room , ecr , boiler room & funnel ?

Type of insulation class ? max working temp & hot-spot temp ?

What are the symptoms of Motor short circuited ? How to test short circuit fault ?

What are the causes of diode failure ?

Explain brushless alternator operational fault ? How many diode there in alternator ?

Explain Springkler system for passanger ship ? How many heads in one section ? alarms & relay ?

Explain ISM code ? What is there in paragraph 10.1 , 10.2 , 10.3 & 10.4 ?

Explain NOx technical file & code ?

Explain free-fall lifeboat maintenance and special maintenance requirements for bulk carrier free-fall lifeboard ?

What is framo purging ?

How to drill 10 mm hole in a plate ?