ITI Maintenance Mechanic is a simple e-Book for ITI Maintenance Mechanic (Chemical Plant) JOB Interview & Apprentice Exam. It contains objective questions with underlined & bold correct answers MCQ covering all topics including all about the latest & Important about safety and environment, use of fire extinguishers, basics of electricity, test the cable and measure the electrical parameter, filling adjoining sides/surfaces maintain the right angle between the sides. Making the job on the step fitting (male & female), drill holes, countersinking.