Operation Research (2171901) MCQs

MCQs of Queuing Theory

Showing 11 to 20 out of 44 Questions
11.

Which of the following relationships is not true

(a)

ws = wq +1μ

(b)

Ls =λws

(c)

Ls = Lq +1λ

(d)

Lq = λws

Answer:

Option (c)

12.

The expected length of the non-empty queue is given by

(a)

L = μ/μ-λ

(b)

L =sμ/sμ-λ

(c)

L = λ/μ-λ

(d)

λ/μ-λ +1μ

Answer:

Option (a)

13.

The expected length of the non-empty queue is given by

(a)

L = μ/μ-λ

(b)

L =sμ/sμ-λ

(c)

L = λ/μ-λ

(d)

λ/μ-λ +1μ

Answer:

Option (a)

14.

The potential loss of customers is given by

(a)

Ps = 1s!λsμ P0

(b)

Ps =1n!λμ P0

(c)

Ps =1s!λμs P0

(d)

none of the above

Answer:

Option (c)

15.

Expected waiting time of a customer in the system is

(a)

Wq = Lq/λeff

(b)

Wq =Ls/λeff

(c)

Wq = Ls -1μ

(d)

Wq = Lq +λeff/μ

Answer:

Option (a)

16.

As per queue discipline, the following is not a negative behavior of a customer:

(a)

Balking

(b)

Reneging

(c)

Boarding

(d)

Collusion.

Answer:

Option (c)

17.

The expediting or follow up function in production control is an example of

(a)

LIFO

(b)

FIFO

(c)

SIRO

(d)

Preemptive

Answer:

Option (d)

18.

In M/M/S: N/FIFO the following does not apply

(a)

Poisson arrival

(b)

Limited service

(c)

Exponential service

(d)

Single server

Answer:

Option (d)

19.

The dead bodies coming to a burial ground is an example of

(a)

Pure Birth Process

(b)

Pure death Process

(c)

Birth and Death Process

(d)

Constant rate of arrival

Answer:

Option (a)

20.

The system of loading and unloading of goods usually follows:

(a)

LIFO

(b)

FIFO

(c)

SIRO

(d)

SBP

Answer:

Option (a)

Showing 11 to 20 out of 44 Questions