CONTROL SYSTEM QUIZ ON BLOCK DIAGRAM -26.08.2020

The advantage of block diagram representation is that it is possible to evaluate the contribution of each component to the overall performance of the system.

• a) True

• b) False

6. The overall transfer function from block diagram reduction for cascaded blocks is :

• a) Sum of individual gain

• b) Product of individual gain

• c) Difference of individual gain

• d) Division of individual gain

The overall transfer function of two blocks in parallel are :

• a) Sum of individual gain

• b) Product of individual gain

• c) Difference of individual gain

• d) Division of individual gain

Transfer function of the system is defined as the ratio of Laplace output to Laplace input considering initial conditions________

• a) 1

• b) 2

• c) 0

• d) infinite

Oscillations in output response is due to :

• a) Positive feedback

• b) Negative feedback

• c) No feedback

• d) None of the mentioned

WHAT IS THE ANOTHER NAME FOR TAKE OFF POINT

• RESISTOR

• BRANCH POINT

• SUMMING POINT

• DOT POINT

For the block diagram given in the following figure, the expression of C/R is:

• a) G1G2G3/1-G2G1

• b) G1G2/1-G1G2G3

• c) G1G2G3/1-G1G2G3

• d) G1G2/G3(1-G1G2)

The transfer function from D(s) to Y(s) is :

• a) 2/3s+7

• b) 2/3s+1

• c) 6/3s+7

• d) 2/3s+6

The closed loop gain of the system shown in the given figure is :

• a) -9/5

• b) -6/5

• c) 6/5

• d) 9/5

IDENTIFY THE COMPONENTS OF BLOCK DIAGRAM

• BLOCK

• SIGNAL

• SUMMING POINT

• BLOCK,SIGNAL,SUMMING POINT,TAKE OFF POINT