MCQs of Queuing Theory (Operation Research - 3151910) | GTU MCQ

Operation Research (3151910) MCQs

MCQs of Queuing Theory

Showing 11 to 20 out of 44 Questions

11.

Which of the following relationships is not true

(a)	$w_{s} = w_{q} + \frac{1}{μ}$
(b)	$L_{s} = λ w_{s}$
(c)	$L_{s} = L_{q} + \frac{1}{λ}$
(d)	$L_{q} = λ w_{s}$

12.

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

(a)	$L = μ / (μ - λ)$
(b)	$L = s μ / (s μ - λ)$
(c)	$L = λ / (μ - λ)$
(d)	$λ / (μ - λ) + (\frac{1}{μ})$

13.

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

(a)	$L = μ / (μ - λ)$
(b)	$L = s μ / (s μ - λ)$
(c)	$L = λ / (μ - λ)$
(d)	$λ / (μ - λ) + (\frac{1}{μ})$

14.

The potential loss of customers is given by

(a)	$P_{s} = \frac{1}{s!} [\frac{λ}{s μ}] P_{0}$
(b)	$P_{s} = \frac{1}{n!} [\frac{λ}{μ}] P_{0}$
(c)	$P_{s} = \frac{1}{s!} {[\frac{λ}{μ}]}^{s} P_{0}$
(d)	none of the above

15.

Expected waiting time of a customer in the system is

(a)	$W_{q} = L_{q} / λ_{e f f}$
(b)	$W_{q} = L_{s} / λ_{e f f}$
(c)	$W_{q} = L_{s} - (\frac{1}{μ})$
(d)	$W_{q} = L_{q} + (λ_{e f f} / μ)$

16.

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

(a)	Balking
(b)	Reneging
(c)	Boarding
(d)	Collusion.

17.

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

(a)	LIFO
(b)	FIFO
(c)	SIRO
(d)	Preemptive

18.

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

(a)	Poisson arrival
(b)	Limited service
(c)	Exponential service
(d)	Single server

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

20.

The system of loading and unloading of goods usually follows:

(a)	LIFO
(b)	FIFO
(c)	SIRO
(d)	SBP

Showing 11 to 20 out of 44 Questions