Electrical Measurements and Instrumentation Objective Questions & Answers
Electrical Measurements and Instrumentation Objective Questions & Answers A 10MHz CRO has (a) 5MHz sweep (b) 10MHz vertical oscillator (c) 10MHz horizontal oscillator (d) 10MHz supply frequency Which of the…
Electrical Machines Objective Questions & Answers
Electrical Machines Objective Questions & Answers Q.1 The two winding's of a transformer are (A) conductively linked. (B) inductively linked. (C) not linked at all. (D) electrically linked. Q.2 A salient…
Level Instruments Design Rules
The following points are considered during level sensors selection or during time of plant design. They are Pressure Vessel Connection Vessel bottom connection Range selection Material Environment Standpipes vs. sensor…
PLC Program for Alternate Output Circuit with Latched Function
Design a PLC program for an alternate output circuit with a latched function and explain the ladder logic with a solution.
Fire Extinguishers Mock Test
In this MCQ you can learn and practice Fire Extinguishers objective quiz questions to test your knowledge on the subject.
Pilot Valves and Pneumatic Amplifying Relays
Self-balancing mechanisms consisting solely of a baffle/nozzle detector coupled to a feedback bellows, while functional, are not always practical as field instruments. Nozzles and orifices must be made rather small…
Self-balancing Pneumatic Instrument Principles
A great many precision instruments use the principle of balance to measure some quantity. Perhaps the simplest example of a balance-based instrument is the common balance-beam scale used to measure…
Pneumatic Sensing Elements
Most pneumatic instruments use a simple but highly sensitive mechanism for converting mechanical motion into variable air pressure: the baffle-and-nozzle assembly (sometimes referred to as a flapper and- nozzle assembly).…
Pneumatic Instrumentation
In Olden days, before the usage of 4-20mA transmitters in industries, we were using pneumatic transmitters for our process measurement applications. Briefly, in pneumatic transmitter, the compressed instrument air supply…
PLC Program for Entry and Exit Control of Car Parking
PLC program for car parking entry and exit gates control explained with programming solution and diagram.
