Draw a ladder logic circuit for the electric motor of an air compressor ?
Draw a ladder logic control circuit for the electric motor of an air compressor, controlled by two pressure switches: one
Practical Questions
In Practical Instrumentation Questions section, you will get industry related technical questions with problem solving approach,
Explain Operation of the Lamp Circuit ?
Explain the operation of the circuit ? Answer : The blue lamp will be energized whenever the pressure switch senses
As per Process Conditions, Find out the Circuit Components Status ?
Determine the statuses of all lamps and relay coils in this circuit, given the following process conditions: Process Conditions :
Float-type Level Switch to Control a pump
Sketch the necessary wiring to make this float-type level switch control a pump and a lamp in the following manner:
Determine the Status of Lamps and Relays in the Circuit ?
Determine the statuses of all lamps and relay coils in this circuit, given the following process conditions: Consider below mentioned
Draw the appropriate Pressure Switch Symbol ?
Draw the appropriate pressure switch symbol in this ladder-logic diagram for a low-pressure alarm which turns on a lamp if
How to Connect Proximity Switch (Sink Type) to Make LED ON ?
An improvement over direct-contact limit switches for many applications is the inductive proximity switch. This type of switch actuates simply
Draw Limit Switch Symbol ?
Limit switches are often used on the doors of electrical enclosures and cabinets to automatically shut off power or shut
Calculate the appropriate millivoltage values of a Thermocouple
Calculate the appropriate millivoltage values and potentiometer resistances to simulate a thermocouple at the desired temperatures, assuming the ambient temperature
Displacer Level Transmitter Questions
Displacer Level Transmitter Question : Determine a basic 5-point (0%, 25%, 50%, 75%, and 100%) calibration table for the displacer