Free Printable transfer function reduction

1.

If two blocks G1, G2 are connected in parallel to a summer,overall transfer function is

a)

sum of individual gain G1+G2

b)

product of individual gain G1G2

c)

difference of individual gain G1/G2

d)

closed loop gain G1G2 /(1+G1G2)

2.

IDENTIFY THE COMPONENTS OF BLOCK DIAGRAM

a)

BLOCK

b)

SIGNAL

c)

SUMMING POINT

d)

BLOCK,SIGNAL,SUMMING POINT,TAKE OFF POINT

3.

the overall transfer function of two blocks in parallel are

a)

product of individual gain

b)

sum of individual gain

c)

division of individual gain

d)

difference of individual gain

4.

WHAT IS THE ANOTHER NAME FOR TAKE OFF POINT

a)

RESISTOR

b)

BRANCH POINT

c)

SUMMING POINT

d)

DOT POINT

5.

Feedback control system are referred to as closed loop system.

a)

Yes

b)

no

c)

yes or No

d)

none

6.

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

a)

a) -9/5

b)

b) -6/5

c)

c) 6/5

d)

d) 9/5

7.

For the block diagram in the following figure, the transfer function C/R with negative feedback is

a)

G1G2+G3

b)

(1+G1G2)G3

c)

G1G2G3/(1-G1G2)

d)

G1G2G3/(1+G1G2)

8.

For the block diagram in the following figure, the transfer function Y(s)/X(s) is

a)

$\frac{K_CG_1G_3}{1+G_1G_2+K_CG_1G_3H}$

b)

$\frac{K_CG_1G_2}{1+G_1G_2+K_CG_1G_3H}$

c)

$\frac{K_CG_1G_3}{1+G_1G_3+K_CG_1G_3H}$

d)

$\frac{K_CG_1G_3}{1+G_1G_3+K_CG_1G_3}$

9.

For the block diagram in the following figure, the transfer function Y(s)/U(s) is

a)

$\frac{G_2\left(s\right)+G_1\left(s\right)G_3\left(s\right)}{1+G_1\left(s\right)H_2\left(s\right)+G_1\left(s\right)G_2\left(s\right)H_2\left(s\right)}$

b)

$\frac{G_1\left(s\right)G_2\left(s\right)+G_3\left(s\right)}{1+H_1\left(s\right)G_2\left(s\right)+G_1\left(s\right)G_2\left(s\right)H_2\left(s\right)}$

c)

$\frac{G_1\left(s\right)G_2\left(s\right)+G_2\left(s\right)G_3\left(s\right)}{1+G_2\left(s\right)H_1\left(s\right)+G_1\left(s\right)G_2\left(s\right)H_2\left(s\right)}$

d)

$\frac{G_1\left(s\right)G_2\left(s\right)+G_2\left(s\right)G_3\left(s\right)}{1+G_2\left(s\right)H_1\left(s\right)-G_1\left(s\right)G_2\left(s\right)H_2\left(s\right)}$

10.

For the block diagram in the following figure, the transfer function Y(s)/U(s)

a)

$\frac{K}{s^2+7Ks+K}$

b)

$\frac{K}{s^2+\left(4+7K\right)s+K}$

c)

$\frac{K}{s^2-\left(4+7K\right)s+K}$

d)

$\frac{K}{s^2+4Ks+K}$

transfer function reduction

Total questions: 10

Worksheet time: 1hrs 4mins

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