Instrumentation -systems Leave a Comment / By Areej / February 28, 2018 November 11, 2020 Welcome to your Quiz .This quiz is about system .it contains 10 questions 1. Which system is also known as automatic control system? open loop control system closed loop control system either 1 or 2 nether 1 nor 2 2. Which of the following is/are the advantages of a closed loop control system? The closed loop systems are accurate The closed loop systems are less affected by noise both 1 and 2 neither 1 nor 2 3. Force balancing equation of a mass elements is ( where x = displacement) M d²x/dt² M dx/dt M *x any of the above 4. Which of the following are the disadvantages of a closed loop control system? reduces the overall gain complex and costly oscillatory response all of the above 5. Advantages of open loop system is/are? simple and economical accurate reliable any of the above 6. If two blocks having gains A and B respectively are in series connection, find the resultant gain using block diagram reduction technique? A+B A*B A-B A/B 7. If two blocks having gains A and B respectively are in parallel connection, find the resultant gain using block diagram reduction technique? A+B A*B A/B 2(A+B) 8. If a circuit consisting of two mass elements, two spring elements and four friction elements. Find the order of transfer function? 2 4 6 12 9. The output of the system has an effect upon the input quantity, then the system is a open loop control system closed loop control system either 1 or 2 none of the above 10. By using which of the following elements, mechanical translational systems are obtained? mass element spring element dash-pot all of the above Time's up
