Epri Level A Exam Questions And Answers

EPRI LEVEL A EXAM QUESTIONS AND
ANSWERS

GORINS LAW - Answers -GAIN=OUTPUT /INPUT

CONTROLLER - Answers -A DEVICE HAVING AN OUTPUT THAT CHANGES TO
REGULATE A CONTROLLED VARIABLE IN A SPECIFI C MANNER

CONTROL SYSTEM - Answers -A SYSTEM IN WHICH DELIBERATE GUIDANCE OR
MANIPULATION IS USED TO ACHIEVIE A PRESCRIBED VARIABLE

SET POINT - Answers -THE DESIRED VALUE WHERE THE PROCESS SHOULD BE
MAINTAINED

CONTROL LOOP - Answers -ANY PROCESS WHEREBY AN INSTRUMENT
MEASURES A PROCESS VARIABLE AND THOSE DATA ARE MANIPULATED BY A
CONTROL DEVICE,WHICH SENDS CORRECTIVE DATA TO A FINAL CONTROL
ELEMENT , THE PROCESS AUTOMATICALLY REPEATS ITSELF

SIGNAL - Answers -INFORMATION IN THE FORM OF A PNEUMATIC PRESURE,AN
ELECTRIC CURRENT, OR MECHANICAL POSITION THAT CARRIES INFORMATION
FROM ONE CONTROL LOOP COMPONET TO ANOTHER

PROCESS - Answers -ANY FUNCTION OR OPERATIONUSED IN THE
TREATEMENT OF A MATERIAL

ANALOG - Answers -A CONTINUOUS OPERATING SIGNAL

DISCRETE - Answers -A CONTROL SIGNAL THAT IS ON OR OFF

DIGITAL - Answers -A TERMAPPLIED TO A SIGNAL OR DEVICE THAT USES
BINARY DIGITS TO REPRESENT CONTINUOUS VALUES OR DISCRETE STATES

SENSOR - Answers -PART OF A LOOP OR INSTRUMENT THAT FIRST SENSES
THE VALUE OF A PROCESS VARIABLE,ALSO KNOWN AS A DETECTOR OR
PRIMARY ELEMENT

FINAL CONTROL ELEMENT - Answers -COMPONET OF A CONTROL SYSTEM
THAT DIRECTLY REGULATES THE FLOW OF ENERGY OR MATERIAL TO THE
PROCESS