What is furnace draft control?
What is intrinsically safe system?
What is zener diode? What is voltage regulator?
What is force balance principle? State some of its’ advantages.
What is motion balance principle?
How will you test a transistor with a multimeter?
Explain ratio control system?
What is solenoid valve? Where it is used?
How is automatic reference junction compensation carried out in temperature recorders?
What are de-saturators?
Explain the working of Rota meter.
What is the working principle of the magnetic meter?
Explain the mechanism behind the turbine meter.
How would you choose differential range?
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