Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

For a salesman who has to visit n cities which of the following are the ways of his tour plan

A. n!
B. (n+1)!
C. (n-1)!
D. n
Answer» D. n
2.

Markov analysis might be effectively used for

A. technology transfer studies.
B. university retention analysis.
C. accounts receivable analysis.
D. all of the above
Answer» E.
3.

Whenever all the constraints in a linear program are expressed as equalities, the linear program is said to be written in

A. standard form.
B. bounded form.
C. feasible form.
D. alternative form.
Answer» B. bounded form.
4.

Infeasibility means that the number of solutions to the linear programming models that satisfies all constraints is

A. at least 1.
B. 0.
C. an infinite number.
D. at least 2.
Answer» C. an infinite number.
5.

Which of the following characteristics apply to queuing system

A. Customer population
B. Arrival process
C. Both a & b
D. Neither a nor b
Answer» D. Neither a nor b
6.

While solving an assignment problem, an activity is assigned to a resource through a square with zero opportunity cost because the objective is to

A. Minimize total cost of assignment
B. Reduce the cost of assignment to zero
C. Reduce the cost of that particular assignment to zero
D. All of the above
Answer» B. Reduce the cost of assignment to zero
7.

An optimal solution of an assignment problem can be obtained only if

A. Each row & column has only one zero element
B. Each row & column has at least one zero element
C. The data is arrangement in a square matrix
D. None of the above
Answer» E.
8.

Customer behavior in which the customer moves from one queue to another in a multiple channel situation is

A. Balking
B. Reneging
C. Jockeying
D. Altering
Answer» D. Altering
9.

The smallest quantity is chosen at the corners of the closed path with negative sign to be assigned at unused cell because

A. It improve the total cost
B. It does not disturb rim conditions
C. It ensure feasible solution
D. All of the above
Answer» D. All of the above
10.

If there were n workers & n jobs there would be

A. n! solutions
B. (n-1)! solutions
C. (n!)n solutions
D. n solutions
Answer» B. (n-1)! solutions
11.

Which of the following methods is used to verify the optimality of the current solution of the transportation problem

A. Least cost method
B. Vogel’s approximation method
C. Modified distribution method
D. All of the above
Answer» B. Vogel’s approximation method
12.

Priority queue discipline may be classified as

A. Finite or infinite
B. Limited & unlimited
C. Pre-emptive or non-pre-emptive
D. All of the above
Answer» D. All of the above
13.

The assignment problem

A. Requires that only one activity be assigned to each resource
B. Is a special case of transportation problem
C. Can be used to maximize resources
D. All of the above
Answer» E.
14.

Which of the following is not a key operating characteristics apply to queuing system

A. Utilization factor
B. Percent idle time
C. Average time spent waiting in the system & queue
D. None of the above
Answer» E.
15.

Every basic feasible solution of a general assignment problem, having a square pay-off matrix of order, n should have assignments equal to

A. 2n+1
B. 2n-1
C. m+n-1
D. m+n
Answer» C. m+n-1
16.

The calling population is assumed to be infinite when

A. Arrivals are independent of each other
B. Capacity of the system is infinite
C. Service rate is faster than arrival rate
D. All of the above
Answer» B. Capacity of the system is infinite
17.

The Hungarian method for solving an assignment problem can also be used to solve

A. A transportation problem
B. A travelling salesman problem
C. A LP problem
D. Both a & b
Answer» C. A LP problem
18.

The method used for solving an assignment problem is called

A. Reduced matrix method
B. MODI method
C. Hungarian method
D. None of the above
Answer» D. None of the above
19.

The purpose of a dummy row or column in an assignment problem is to

A. Obtain balance between total activities & total resources
B. Prevent a solution from becoming degenerate
C. Provide a means of representing a dummy problem
D. None of the above
Answer» B. Prevent a solution from becoming degenerate
20.

Simulation should not be applied in all cases because it

A. Requires considerable talent for model building & extensive computer programming efforts
B. Consumes much computer time
C. Provides at best approximate solution to problem
D. All of the above
Answer» E.
21.

The general purpose system simulation language

A. Requires programme writing
B. Does not require programme writing
C. Requires predefined coding forms
D. Needs a set of equations to describe a system
Answer» C. Requires predefined coding forms
22.

Special simulation languages are useful because they

A. Reduce programme preparation time & cost
B. Have the capability to generate random variables
C. Require no prior programming knowledge
D. All of the above
Answer» E.
23.

To make simulation more popular, we need to avoid

A. Large cost over runs
B. Prolonged delays
C. User dissatisfaction with simulation results
D. All of the above
Answer» E.
24.

An assignment problem can be solved by

A. Simplex method
B. Transportation method
C. Both a & b
D. None of the above
Answer» D. None of the above
25.

Biased random sampling is made from among alternatives which have

A. Equal probability
B. Unequal probability
C. Probability which do not sum to 1
D. None of the above
Answer» C. Probability which do not sum to 1
26.

To proceed with the MODI algorithm for solving an assignment problem, the number of dummy allocations need to be added are

A. n
B. 2n
C. n-1
D. 2n-1
Answer» D. 2n-1
27.

Simulation is defined as

A. A technique that uses computers
B. An approach for reproducing the processes by which events by chance & changes are created in a computer
C. A procedure for testing & experimenting on models to answer what if ___, then so & so ___ types of questions
D. All of the above
Answer» E.
28.

While assigning random numbers in Monte Carlo simulation, it is

A. Not necessary to assign the exact range of random number interval as the probability
B. Necessary to develop a cumulative probability distribution
C. Necessary to assign the particular appropriate random numbers
D. All of the above
Answer» C. Necessary to assign the particular appropriate random numbers
29.

Few causes of simulation analysis failure are

A. Inadequate level of user participation
B. Inappropriate levels of detail
C. Incomplete mix of essential skills
D. All of the above
Answer» E.
30.

If a matrix of transition probability is of the order n*n, then the number of equilibrium equations would be

A. n
B. n-1
C. n+1
D. None of the above
Answer» B. n-1
31.

The cost of providing service in a queuing system decreases with

A. Decreased average waiting time in the queue
B. Decreased arrival rate
C. Increased arrival rate
D. None of the above
Answer» E.
32.

Service mechanism in a queuing system is characterized by

A. Server’s behavior
B. Customer’s behavior
C. Customers in the system
D. All of the above
Answer» B. Customer’s behavior
33.

The first-order Markov chain is generally used when

A. Transition probabilities are fairly stable
B. Change in transition probabilities is random
C. No sufficient data are available
D. All of the above
Answer» B. Change in transition probabilities is random
34.

A problem is classified as Markov chain provided

A. There are finite number of possible states
B. States are collectively exhaustive & mutually exclusive
C. Long-run probabilities of being in a particular state will be constant over time
D. All of the above
Answer» E.
35.

A calling population is considered to be infinite when

A. All customers arrive at once
B. Arrivals are independent of each other
C. Arrivals are dependent upon each other
D. All of the above
Answer» C. Arrivals are dependent upon each other
36.

An advantage of simulation as opposed to optimization is that

A. Several options of measure of performance can be examined
B. Complex real-life problems can be studied
C. It is applicable in cases where there is an element of randomness in a system
D. All of the above
Answer» E.
37.

In Markov analysis, state probabilities must

A. Sum to one
B. Be less than one
C. Be greater than one
D. None of the above
Answer» B. Be less than one
38.

As simulation is not an analytical model, therefore the result of simulation must be viewed as

A. Unrealistic
B. Exact
C. Approximation
D. Simplified
Answer» D. Simplified
39.

While calculating equilibrium probabilities for a Markov process, it is assumed that

A. There is a single absorbing state
B. Transition probabilities do not change
C. There is a single non-absorbing state
D. None of the above
Answer» C. There is a single non-absorbing state
40.

Which of the cost estimates & performance measures are not used for economic analysis of a queuing system

A. Cost per server per unit of time
B. Cost per unit of time for a customer waiting in the system
C. Average number of customers in the system
D. Average waiting time of customers in the system
Answer» E.
41.

In the long run, the state probabilities become 0 & 1

A. In no case
B. In same cases
C. In all cases
D. Cannot say
Answer» D. Cannot say
42.

Large complicated simulation models are appreciated because

A. Their average costs are not well-defined
B. It is difficult to create the appropriate events
C. They may be expensive to write and use as an experimental device
D. All of the above
Answer» D. All of the above
43.

In a matrix of transition probability, the element aij where i=j is a

A. Gain
B. Loss
C. Retention
D. None of the above
Answer» D. None of the above
44.

Probabilities of occurrence of any state are

A. Collectively exhaustive
B. Mutually exclusive
C. Representing one of the finite numbers of states of nature in the system
D. All of the above
Answer» E.
45.

State transition probabilities in the Markov chain should

A. Sum to 1
B. Be less than 1
C. Be greater than 1
D. None of the above
Answer» B. Be less than 1
46.

In a matrix of transition probability, the probability values should add up to one in each

A. Row
B. Column
C. Diagonal
D. All of the above
Answer» B. Column
47.

The purpose of using simulation technique is to

A. Imitate a real-world situation
B. Understand properties & operating characteristics of complex real-life problems
C. Reduce the cost of experiment on a model of real situation
D. All of the above
Answer» E.
48.

Analytical results are taken into consideration before a simulation study so as to

A. Identify suitable values of the system parameters
B. Determine the optimal decision
C. Identify suitable values of decision variables for the specific choices of system parameters
D. All of the above
Answer» D. All of the above
49.

Which of the following is not the special purpose simulation language

A. BASIC
B. GPSS
C. GASP
D. SIMSCRIPT
Answer» B. GPSS
50.

If the probability of making a transition from a state is 0, then that state is called a(n)

A. steady state.
B. final state.
C. origin state.
D. absorbing state.
Answer» E.