Description : ......................... is activity oriented network diagram. a. CPM b. PERT c. Histogram d. Ogive
Last Answer : a. CPM
Description : Operations Research emphasises on the overall approach to the system. This characteristic of Operations Research is often referred to as ................................. a. System orientation b. System approach c. Inter-disciplinary d. Team approach
Last Answer : d. Team approach
Description : ................... is an event oriented network diagram. a. CPM b. PERT c. Histogram d. Ogive
Last Answer : b. PERT
Description : PERT stand for: a. Performance Evaluation Review Technique b. Programme Evaluation Review Technique c. Programme Evaluation Research Technique
Last Answer : b. Programme Evaluation Review Technique
Description : ........................... is the latest time by which an activity can be finished without delaying the completion of the project. a. LST b. LFT c. EFT d. EST
Last Answer : b. LFT
Description : The EST + activity duration = .............................. a. Earliest Finish Time b. Latest Start Time c. Latest Finish Time d. None of these
Last Answer : a. Earliest Finish Time
Description : ..................... is the duration by which an activity can be delayed without delaying the completion of the project. a. Earliest Start Time b. Earliest Finish Time c. Latest Start Time d. Latest Finish Time
Last Answer : c. Latest Start Time
Description : An activity which does not consume either resource or time is called ............................. a. Predecessor activity b. Successor activity c. Dummy activity d. Terminal activity
Last Answer : c. Dummy activity
Description : .......................... is the duration by which an activity can be delayed without delaying the project. a. Slack b. Total float c. Both a and b d. None of these
Last Answer : b. Total float
Description : In a network diagram, activity is denoted by ............................ a. Node b. Arrow c. Triangle d. None of these
Last Answer : b. Arrow
Description : An event which represents the beginning of more than one activity is a : a. Merge event b. Net event c. Burst event d. None of these
Last Answer : c. Burst event
Description : An activity which must be completed before commencement of one or more other activities is called................................. a. Successor activity b. Predecessor activity c. Dummy activity d. None of these
Last Answer : b. Predecessor activity
Description : The assignment problem is: a. Requires that only one activity be assigned to each resource b. Is a special case of transportation problem c. Can be used to maximise resource d. All the above
Last Answer : d. All the above
Description : Shadow price is also called ...................... a. Dual price b. Unit price c. Total cost d. None of these
Last Answer : a. Dual price
Description : In Transportation Problem, LCM stands for ............................. a. Lowest Common Multiplier b. Least Cost Method c. Lowest Cell Method d. None of these
Last Answer : b. Least Cost Method
Description : In Transportation Problem, NWCM stands for ............................. a. North West Cost Method b. Net Worth Corner Method c. North West Corner Method d. None of these
Last Answer : c. North West Corner Method
Description : A matrix which shows the gains and losses resulting from moves and counter moves is called.................................. a. Cost matrix b. Pay off matrix c. Both a and b d. None of these
Last Answer : b. Pay off matrix
Description : For a minimisation Transportation Problem, the objective is to minimise: a. Profit b. Cost c. Solution d. None of these
Last Answer : b. Cost
Description : A Transportation Problem is said to be unbalanced when total supply is not equal to ............ a. Total cost b. Total demand c. Both a and b d. None of these
Last Answer : b. Total demand
Description : The O R technique which helps in minimising total waiting and service cost is: a. Game theory b. Queuing theory c. Both a and b d. Decision theory
Last Answer : b. Queuing theory
Description : In a maximisation assignment problem, the objective is to maximise ............................. a. Profit b. Cost c. Optimisation d. None of these
Last Answer : a. Profit
Description : The dummy source/destination in a transportation problem is added to ........................ a. Satisfy rim constraints b. Prevent solution from becoming degenerate c. Ensure total cost does not exceed a limit d. None of the above
Last Answer : a. Satisfy rim constraints
Description : a customer’s behaviour of leaving the queue when he does not like to wait in the queue due to lack of time or space is called ..................... a. Jockying b. Reneging c. Collusion d. Balking
Last Answer : d. Balking
Description : Number of customers in the queue per unit of time is called ...................... a. Queuing system b. Length of queue c. Average length of queue d. None of these
Last Answer : c. Average length of queue
Description : .......................models consider time as one of the important variable. a. Dynamic b. Static c. Botha and b d. None of these
Last Answer : a. Dynamic
Description : ........................ models assume that the values of the variables do not change with time during a particular period. a. Dynamic b. Static c. Both a and b d. None of these
Last Answer : b. Static
Description : If a simplex table shows the values 2, -3, 0 against “θ”, which should be taken as the replacement ratio. a. 2 b. -3 c. 0 d. None of these
Last Answer : c. 0
Description : Controllable variables are also called.................................. a. Slack variables b. Surplus variables c. Artificial variable d. Decision variables
Last Answer : d. Decision variables
Description : The variables which cannot be manipulated by the decision maker are called.................... a. Controllable variables b. Uncontrollable variables c. Both a and b d. None of these
Last Answer : b. Uncontrollable variables
Description : The variables which can be manipulated by the decision maker are called.................... a. Controllable variables b. Uncontrollable variables c. Both a and b d. None of these
Last Answer : a. Controllable variables
Description : The outlet where the services are being provided to the customers is called................. a. Waiting line b. Service facility c. Idle facility d. Traffic intensity
Last Answer : b. Service facility
Description : .................... is the popular method for solving an assignment problem. a. Hungarian Method b. Enumeration Method c. Simplex Method d. None of the above
Last Answer : a. Hungarian Method
Description : Hungarian method was developed by ........................ a. T C Koopman b. F L Hitchcock c. D Konig d. George B Dantzig
Last Answer : c. D Konig
Description : Which of the following methods is used to solve an assignment problem: a. Enumeration Method b. Hungarian Method c. Simplex Method d. All of the above
Last Answer : d. All of the above
Description : VAM is also called........................ a. Matrix Minima Method b. Penalty Method c. MODI Method d. None of these
Last Answer : b. Penalty Method
Description : Transportation model was first introduced by ........................ in the year 1941. a. T C Koopman b. George B Dantzig c. Von-neumann d. F L Hitchcock
Last Answer : d. F L Hitchcock
Description : ................................is that element of the simplex table which lis both in the key row and key column. a. Key element b. Pivot element c. Both a and b d. None of these
Last Answer : c. Both a and b
Description : Which of the following is a characteristic of a dual problem: a. Dual of a dual is primal b. If dual has a finite optimal solution, then the primal also has finite optimal solution c. If dual has no feasible solution, then the primal also has no feasible solution d. All of the above
Description : Game theory became popular when the book “Theory of Games and Economic Behaviour” was published in 1944 by .............................. a. Von Neumann b. Mc Closky c. Von-Neumann and Mc Closky d. Von-neumann and Morgenstern
Last Answer : d. Von-neumann and Morgenstern
Description : Traffic intensity is computed by using the formula: a. λ/μ b. μ/λ c. 1- λ/μ d. 1- μ/λ
Last Answer : a. λ/μ
Description : Traffic intensity in Queuing Theory is also called........................... a. Service factor b. Arrival factor c. Utilisation factor d. None of these
Last Answer : c. Utilisation factor
Description : ..............................was the first person who developed a viable queueing theory a. Von Neumann b. Morgenstern c. H M Wagner d. Simeon Dennis Poisson
Last Answer : d. Simeon Dennis Poisson
Description : Excess of service facilities over and above the number of customers results: a. Idleness of service capacity b. Queues c. Both a and b d. None of these
Last Answer : a. Idleness of service capacity
Description : ............................refers to the manner in which the customers behave while being in the queue. a. Service pattern b. Service pattern c. Queue discipline d. None of these
Last Answer : c. Queue discipline
Description : MODI Method to test the optimality of a feasible solution to TP is also called............... a. Stepping Stone Method b. u. v. Method c. both a and b d. none of these
Last Answer : b. u. v. Method
Description : Matrix Minima Method to find initial feasible solution to a TP is also called ....................... a. NWCM b. LCM c. VAM d. None of these
Last Answer : c. VAM
Description : Initial feasible solution to a transportation problem arrived through which of the following method is very near to the optimal solution: a. NWCM b. LCM c. VAM d. None of these
Description : In queuing theory, FCFS stand for .............................. a. First Cum First Served b. First Customer Fist Served c. Fast Channel First Served
Last Answer : a. First Cum First Served
Description : ...................... is a method of analysing the current movement of the some variable in an effort to predict the future movement of the same variable. a. Goal programming b. Queuing theory c. Markov Analysis d. Replacement theory
Last Answer : c. Markov Analysis
Description : In queuing theory, ............................ stands for mean service rate. a. μ b. λ c. t d. none of these
Last Answer : a. μ