| Que.
1 |
An open loop transfer function, is given by G(s) H(s)=K(s+1)/s(s+2)(s^2+2s+2)
it has |
| A |
|
one zero at infinity |
| B |
|
two zero at infinity |
| C |
|
three zero at infinity |
| D |
|
four zero at infinity |
|
| Que.
2 |
The principles of homogenity and superposition are applied to |
| A |
|
linear time varieant system |
| B |
|
non-linear time varieant system |
| C |
|
linear time invarieant system |
| D |
|
non-linear time invarieant system |
|
| Que.
3 |
In the deriative error compensation |
| A |
|
damping decreases and settling time decreases |
| B |
|
damping increases and settling time increases |
| C |
|
damping decreases and settling time increases |
| D |
|
damping increases and settling time decreases |
|
| Que.
4 |
The lapalace transformation of f(t) is F(s). given F(s)=w/s^2+w^2, the
final value of f(t) is |
| A |
|
infinity |
| B |
|
0 |
| C |
|
1 |
| D |
|
none of the above |
|
| Que.
5 |
Natural freq. of a unity feed back control system of transfer function
G(s)=10/s(s+1) is |
| A |
|
3.16 rad/s |
| B |
|
0.5 rad/s |
| C |
|
4.6 rad/s |
| D |
|
none ofthese |
|
| Que.
6 |
The position and acceleration error cofficients for the open loop transfer
function G(s)=K/s^2(s+10)(s+100) respictively are |
| A |
|
0 and infinity |
| B |
|
infinity and 0 |
| C |
|
k/100 and 0 |
| D |
|
infinity and k/1000 |
|
| Que.
7 |
The position and velocity error cofficients for thesystem of transfer
function G(s)=50/(1+.1s)(1+2s) |
| A |
|
0,0 |
| B |
|
0,infinity |
| C |
|
50,0 |
| D |
|
50,infinity |
|
| Que.
8 |
A system has the transfer function (1-s)/(1+s) it is known as |
| A |
|
low pass system |
| B |
|
high pass system |
| C |
|
all pass system |
| D |
|
none of these |
|
| Que.
9 |
The transfer of a system is 10/1+s. when operatedas unity fedback system,the
steady state error to a unit step input will be |
| A |
|
0 |
| B |
|
1/11 |
| C |
|
10 |
| D |
|
infinity |
|
| Que.
10 |
A phase lead compensator has the transfer function G(s)=10(1+0.4s)/(1+0.1s)
the maximum phase angle lead provided by this compensator will occure
at a freq. wm is equal to |
| A |
|
50 rad/sec |
| B |
|
25 rad/sec |
| C |
|
10 rad/sec |
| D |
|
4 rad/sec |