MCQOPTIONS
Saved Bookmarks
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. | |