# A plant has the following transfer function: From a step input it is required that the response settles to within 2% of its final value, The plant setting time is

1.  20 sec

2.  40 sec

3.  35 sec

4.  45 sec

4

40 sec

Explanation :
No Explanation available for this question

# Which of the following is correct

1.  P(AυB/C)=P(A/C)+P(B/C)-P(A∩B/C)

2.  P(A∩B/C)+P(A∩B/C)=P(A/C)

3.  If A and B are independent,then A and  are also independent

4.  All of these

4

P(AυB/C)=P(A/C)+P(B/C)-P(A∩B/C)

Explanation :
No Explanation available for this question

# Which of the following is correct

1.  If A,B and C are mutually independent,then AυB and C are also independent

2.  The events E1,E2,…,En are mutually exclusive.Let.If P(A/Ei)=P(B/Ei).i=1,2,…,n,then P(A/E)=P(B/E).

3.  Both (a) and (b)

4.  None of these

4

If A,B and C are mutually independent,then AυB and C are also independent

Explanation :
No Explanation available for this question

# The system shown in the given figure has a unit step input. In order that the steady state error is 0.1, the value of K required is

1.  0.1

2.  0.9

3.  1.0

4.  9.0

4

9.0

Explanation :
No Explanation available for this question

# Let p be the probability that a man aged y will get into an accident in a year.What is the probability that a man among n men of all aged y will get into an accident first

1.  1/n(1-(1+p)n)

2.  1/n(1+(1+p)n)

3.  n(1-(1+p)n)

4.  none of these

4

1/n(1-(1+p)n)

Explanation :
No Explanation available for this question

# What would be the expectation of the number of failures preceding the first success in an infinite series of independent trails with the constant probability of success p

1.  1/p

2.  1/q

3.  q/p

4.  none of these

4

q/p

Explanation :
No Explanation available for this question

# A restaurant serves two special dishes A and B to its customers consisting of 60% men and 40% women.80% of men order dish A and the rest B and 70% women order dish A and the rest B.In what ratio of A to B should the restaurant prepare the dishes

1.  19:6

2.  6:9

3.  16:7

4.  7:16

4

19:6

Explanation :
No Explanation available for this question

# If A and B are mutually exclusive and P(AυB)=P(A)+P(B),then P(A/AυB)=

1.  P(A)/P(A)+P(B)

2.  P(A)/P(A)-P(B)

3.  P(B)/P(A)+P(B)

4.  None of these

4

P(A)/P(A)+P(B)

Explanation :
No Explanation available for this question

# If ,then

1.

2.  B=0

3.  A≠B

4.  None of these

4 Explanation :
No Explanation available for this question

# If P(A)=0,then

1.  A=Φ

2.  A=0

3.  A=∞

4.  None of these

4