Instrument Mechanic is a simple e-Book for ITI & Engineering Course Instrument Mechanic. 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, artificial respiratory resuscitation, trade tools & its standardization, Familiarize with basics of electricity, construction of PMMC & MI instruments, ammeters, voltmeters, wattmeter and ampere-hour meter of various types, meter sensitivity, accuracy, maximum power, capability, experiments on transformer, measuring current and voltage in primary and secondary windings filing practice, marking & measuring with the help of Vernier Caliper, Vernier Height Gauge, soldering and de-soldering, diode, V-I characteristics, rectifiers, amplifier, op-amps, oscillator and wave shaping circuits, SMD Soldering and De-soldering of discrete SMD components, logic gates, RS and JK flip flops, Counters, BCD to decimal decoder, 7 segment display circuits, D/A and A/D circuit, RS485 to RS232 converter, microprocessor trainer kit, basic program on microprocessor. Measurement voltage, frequency using CRO, operating storage oscilloscope, tachometers. Operating stroboscope pressure measuring instruments, dead weight tester and comparator, optical pyrometer and radiation pyrometer and lots more.