A PROCESS FOR PREPARATION OF SYSTEM USEFUL IN CHECKING MULTIPLE CHOICE QUESTION TYPE ANSWER SHEETS USING TEMPERATURE CONTROLLED INKS

摘要

A Novel System for checking Multiple Choice Question (MCQ) type answer sheets using temperature controlled inks has been described. The master / key answer key sheet is placed on illuminated surface and the answer sheet attempted by student is placed over it. Porous master/ key answer key sheet allows light to pass through the correct slots so as to change the color of correct answers on the answer sheets of student due to use of Thermochromic ink. The color changed marks stand for correct answer where as wrong answers will be colorless or transparent. Counting the color changed marks correct one will give results. The system is portable, economic and has good accuracy .