plc objective type questions Archives

MCQ on PLC (Programmable Logic Controller)

S Bharadwaj ReddyMay 23, 2019September 10, 2019

Instrumentation Tools assists you with a complete guide of objective questions which mainly targets the aspirants of Electrical, Electronics and Instrumentation engineering Streams to crack the competitive exams and to...

PLC Permissive for Motor Control

S Bharadwaj ReddyApril 3, 2019May 5, 2019

A engineer needs to write a PLC program to control a water pump driven by an electric motor. This water pump will be manually started and stopped by pushbutton switches,...

Troubleshoot Allen Bradley PLC Logic

S Bharadwaj ReddyMarch 27, 2019August 12, 2019

A engineer needs to write a program for an Allen-Bradley CompactLogix PLC to control a pressure relieving solenoid valve in a gas processing system. A pair of high-pressure control switches...

Motor Trip Logic using PLC Programming

S Bharadwaj ReddyDecember 13, 2018March 21, 2019

Programmable Logic Controller (PLC) Questions and Answers This PLC is being used to start and stop an electric motor, and also to shut it down automatically if any of three...

PLC Pump Permissive Interlocks

S Bharadwaj ReddyDecember 13, 2018March 21, 2019

The following PLC program was written to control the operation of a large electric motor-driven pump. A variety of “permissive” inputs protect the pump from damage under abnormal conditions, and...

PLC Electric Motor Interlocks

S Bharadwaj ReddyDecember 12, 2018May 4, 2019

Programmable Logic Controller Questions and Answers The following PLC program was written to control the operation of a large electric motor-driven pump. A variety of “permissive” inputs protect the pump...

Programmable Logic Controller Questions and Answers

S Bharadwaj ReddyApril 23, 2018March 21, 2019

Refer the below Programmable Logic Controller Questions and Answers which are useful for the exam preparation. Programmable Logic Controller Questions 1. A switch or a pushbutton is a ________ input. 2....

PLC Programming Questions & Answers – 5

S Bharadwaj ReddyApril 10, 2018April 10, 2018

A engineer needs to write a PLC program to control a water pump driven by an electric motor. This water pump will be manually started and stopped by pushbutton switches,...

PLC Programming Questions & Answers – 4

S Bharadwaj ReddyApril 10, 2018July 25, 2018

A engineer needs to write a PLC program to control a water pump driven by an electric motor. This water pump will be manually started and stopped by pushbutton switches,...

PLC Programming Questions & Answers – 3

S Bharadwaj ReddyApril 10, 2018April 10, 2018

A PLC has been programming to control the starting and stopping of a three-phase electric motor. The program is supposed to require that the operator press and hold the “Start”...

Inst Tools

Tag : plc objective type questions

MCQ on PLC (Programmable Logic Controller)