Operation Research (2171901) MCQs

MCQs of Queuing Theory

Showing 31 to 40 out of 44 Questions
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31.

When a doctor attends to an emergency case leaving his regular service is called:

(a)

Reneging
(b)

Balking
(c)

Pre-emptive queue discipline
(d)

Non-Pre-Emptive queue discipline
Answer:

Option (d)

32.

A service system, where the customer is stationary and server is moving is found with:

(a)

Buffet Meals
(b)

Outpatient at a clinic
(c)

A person attending the breakdowns of heavy machines
(d)

Vehicle at Petrol bunk.
Answer:

Option (c)

33.

This department is responsible for the development of queuing theory:

(a)

Railway station
(b)

Municipal office
(c)

Telephone department
(d)

Health department
Answer:

Option (c)

34.

If the number of arrivals during a given time period is independent of the number of arrivals that has already occurred prior to the beginning of the time interval, then the new arrivals follow the -----------distribution.

 

(a)

Erlang
(b)

Poisson
(c)

Exponential
(d)

Normal
Answer:

Option (b)

35.

Arrival →Service →Service →Service →Out → The given sequence represents:

(a)

Single Channel Single Phase system
(b)

Multi-channel single-phase system
(c)

Single-channel multi-phase system
(d)

Multi-channel multi-phase system.
Answer:

Option (c)

36.

When the operating characteristics of the queue system dependent on time, then it is said to be:

 

(a)

Steady-state
(b)

Explosive state
(c)

Transient state
(d)

Anyone of the above
Answer:

Option (c)

37.

The distribution of arrivals in a queuing system can be considered as a:

(a)

Death Process
(b)

Pure Birth Process
(c)

Pure live process
(d)

Sick process
Answer:

Option (b)

38.

Queuing models measure the effect of:

(a)

Random arrivals
(b)

Random service
(c)

Effect of uncertainty on the behavior of the queuing system
(d)

Length of queue
Answer:

Option (c)

39.

Traffic intensity is given by

(a)

Mean arrival rate/Mean service rate
(b)

λ×μ

(c)

μλ

(d)

Number present in the queue / Number served
Answer:

Option (a)

40.

The variance of queue length is:

(a)

ρ=λμ

(b)

ρ21-ρ

(c)

λμ-λ

(d)

ρ1-ρ2

Answer:

Option (d)

Showing 31 to 40 out of 44 Questions
1 2 3 4 5