. Non-negativity condition in an LP model implies
a. A positive coefficient of variables in objective function
b. A positive coefficient of variables in any constraint
c. Non-negative value of resources
d. None of the above

1 Answer

Answer :

d. None of the Above

Related questions

Description : 29. A constraint in an LP model restricts a. Value of objective function b. Value of a decision variable c. Use of the available resources d. All of the above

Last Answer : d. All of the above

Description : 30. The distinguishing feature of an LP model is a. Relationship among all variables is linear b. It has single objective function & constraints c. Value of decision variables is non-negative d. All of the above

Last Answer : a. Relationship among all variables is linear

Description : 35. Which of the following is not a characteristic of the L P model a. Alternative courses of actions b. An objective function of maximization type c. Limited amount of resources d. Non-negativity condition on the value of decision variable

Last Answer : b. An objective function of maximization type

Description : 2. Non-Negativity condition is an important component of L P model because a. Variables value should remain under the control of the decision-maker b. Value of variables make sense & correspond to real-world problems c. Variables are interrelated in terms of limited resources d. None of the above

Last Answer : b. Value of variables make sense & correspond to real-world problems

Description : 48. The graphical method of LP problem uses a. Objective function equation b. Constraint equations c. Linear equations d. All of the above

Last Answer : d. All of the above

Description : 37. Which of the following is not a characteristics of the LP a. Resources must be limited b. Only one objective function c. Parameters value remains constant during the planning period d. The problem must be of minimization type

Last Answer : d. The problem must be of minimization type

Description : 54. A constraint in an LP model becomes redundant because a. Two iso-profits may be parallel to each other b. The solution is unbounded c. This constraint is not satisfied by the solution values d. None of the above

Last Answer : d. None of the above

Description : 59. Alternative solutions exist of an LP model when a. One of the constraints is redundant b. Objective function equation is parallel to one of the constraints c. Two constraints are parallel d. All of the above

Last Answer : b. Objective function equation is parallel to one of the constraints

Description : 57. The solution space(region) of an LP problem is unbounded due to a. An incorrect formulation of the LP model b. Objective function is unbounded c. Neither a nor b d. Both a & b

Last Answer : b. Objective function is unbounded c. Neither a nor b

Description : All the constraints are expressed as equations and the right hand side of each constraint and all variables are non-negative is called_______ a. Canonical variable b. Canonical form c. Canonical solution d. Both a & b

Last Answer : b. Canonical form

Description : 61. If a non-redundant constraint is removed from an LP problem then a. Feasible region will become larger b. Feasible region will become smaller c. Solution will become infeasible d. None of the above

Last Answer : a. Feasible region will become larger

Description : 40. Which of the following is a limitation associated with an LP model a. The relationship among decision variables is linear b. No guarantee to get integer valued solutions c. No considerations of effect of time & uncertainty on LP model d. All of the above

Last Answer : d. All of the above

Description : 49. A feasible solution to an LP problem a. Must satisfy all of the problem’s constraints simultaneously b. Need not satisfy all of the constraints, only some of them c. Must be a corner point of the feasible solution d. Must optimize the value of the objective function

Last Answer : a. Must satisfy all of the problem’s constraints simultaneously

Description : 62. If one of the constraint of an equation in an LP problem has an unbounded solution, then a. Solution to such LP problem must be degenerate b. Feasible region should have a line segment c. Alternative solutions exists d. None of the above

Last Answer : b. Feasible region should have a line segment

Description : 60. While solving a LP problem, infeasibility may be removed by a. Adding another constraint b. Adding another variable c. Removing a constraint d. Removing a variable

Last Answer : c. Removing a constraint

Description : An assumption that implies that finite numbers of choices are available to a decision-maker and the decision variables do not assume negative values is known as _______ a. Certainty b. Continuity c. Finite choices d. None of the above

Last Answer : c. Finite choices

Description : 33. Before formulating a formal L P model it is better to a. Express each constrain in words b. Express the objective function in words c. Verbally identify decision variables d. All of the above

Last Answer : d. All of the above

Description : A basic solution which also satisfies the condition in which all basic variables are non-negative is called ___ a. Basic feasible solution b. Feasible solution c. Optimal solution d. None of the above

Last Answer : a. Basic feasible solution

Description : 65. Any feasible solution which optimizes (minimizes or maximizes) the objective function of the LPP is called as _______ a. Optimal solution b. Non-basic variables c. Solution d. Basic Feasible solution

Last Answer : a. Optimal solution

Description : 56. Constraints in LP problem are called active if they a. Represent optimal solutions b. At optimality do not consume all the available resources c. Both a & b d. None of the above

Last Answer : a. Represent optimal solutions

Description : 50. Which of the following statements is true with respect to the optimal solution of an LP problem? a. Every LP problem has an optimal solution b. Optimal solution of an LP problem always occurs ... completely used d. If an optimal solution exists, there will always be at least one at a corner

Last Answer : d. If an optimal solution exists, there will always be at least one at a corner

Description : 58. While solving a LP model graphically, the area bounded by the constraints is called a. Feasible region b. Infeasible region c. Unbounded solution d. None of the above

Last Answer : a. Feasible region

Description : 39. Which of the following is an assumption of an LP model a. Divisibility b. Proportionality c. Additivity d. All of the above

Last Answer : d. All of the above

Description : 31. Constraints in an LP model represents a. Limitations b. Requirements c. Balancing limitations & requirements d. All of the above

Last Answer : d. All of the above

Description : 27. The mathematical model of an LP problem is important because a. It helps in converting the verbal description & numerical data into mathematical expression b. Decision-makers prefer to ... captures the relevant relationship among decision factors d. It enables the use of algebraic technique

Last Answer : a. It helps in converting the verbal description & numerical data into mathematical expression

Description : 34. Maximization of objective function in an L P model means a. Value occurs at allowable set of decisions b. Highest value is chosen among allowable decisions c. Neither of above d. Both a & b

Last Answer : a. Value occurs at allowable set of decision

Description : 53. While plotting constraints on a graph paper, terminal points on both the axes are connected by straight line because a. The resources are limited in supply b. The objective function as a linear function c. The constraints are linear equations or inequalities d. All of the above

Last Answer : c. The constraints are linear equations or inequalities

Description : Before formulating a formal L P model, it is better to: a. Verbally identify decision variables b. Express the objective function in words c. Express each constraint in words d. All of the above

Last Answer : d. All of the above

Description : A constraint in a Linear Programming Model restricts: a. Value of objective function b. Value of decision variable c. Use of available resources d. All of the above

Last Answer : d. All of the above

Description : 45. LP is a major innovations since _______ in the field of business decision-making, particularly under conditions of certainty a. Industrial Revolution b. World War I c. World War II d. French Revolution

Last Answer : c. World War II

Description : 52. If an iso-profit yielding the optimal solution coincides with a constraint line, then a. The solution is unbounded b. The solution is infeasible c. The constraint which coincides is redundant d. None of the above

Last Answer : d. None of the above

Description : An objective function is maximized when it is a _______ function a. Passive b. Profit c. Cost d. None of the above

Last Answer : b. Profit

Description : An objective function which states the determinants of the quantity to be either maximized or minimized is called_______ a. Feasible function b. Optimal function c. Criterion function d. None of the above

Last Answer : b. Optimal function

Description : 42. _____ assumption means the prior knowledge of all the coefficients in the objective function , the coefficients of the constraints and the resource values a. Proportionality b. Certainty c. Finite choices d. Continuity

Last Answer : b. Certainty

Description : In simplex method, we add _______ variables in the case of “=” a. Slack variable b. Surplus variable c. Artificial variable d. None of the above

Last Answer : c. Artificial variable

Description : Which variables are fictitious and cannot have any physical meaning? a. Optimal variable b. Decision variable c. Artificial variable d. None of the above

Last Answer : c. Artificial variable

Description : 25. Operations Research models in which some or all values of variables are random in nature are called _____ a. Physical b. Symbolic c. Deterministic d. Probabilistic

Last Answer : d. Probabilistic

Description : Operations Research models in which values of all variables and all possible outcomes are known with certainty are called _____ a. Physical b. Symbolic c. Deterministic d. Probabilistic

Last Answer : c. Deterministic

Description : For maximization in assignment problem, the objective is to maximize the a. Profit b. Optimization c. Cost d. None of the above

Last Answer : a. Profit

Description : 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 ... to zero c. Reduce the cost of that particular assignment to zero d. All of the above

Last Answer : c. Reduce the cost of that particular assignment to zero

Description : When a particular assignment in the given problem is not possible or restricted as a condition, it is called a __ problem a. Infeasible b. Degenerate c. Unbalanced d. Prohibited

Last Answer : d. Prohibited

Description : 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

Last Answer : d. All of the above

Description : The purpose of a dummy row or column in an assignment problem is to a. Obtain balance between total activities and total resources b. Prevent a solution from becoming degenerate c. Provide a means of representing a dummy problem d. None of the above

Last Answer : a. Obtain balance between total activities and total resources

Description : If the number of jobs is not equal to the number of resources, then the problem is term as _____ assignment problem a. Balanced b. Unbalanced c. Equal d. Unequal

Last Answer : b. Unbalanced

Description : If the number of jobs is equal to the number of resources, then the problem is term as _____ assignment problem a. Balanced b. Unbalanced c. Equal d. Unequal

Last Answer : a. Balanced

Description : 28. Linear programming is a a. Constrained optimization technique b. Technique for economic allocation of limited resources c. Mathematical technique d. All of the above

Last Answer : b. Technique for economic allocation of limited resource

Description : 55. If two constraints do not intersect in the positive quadrant of the graph, then a. The problem is infeasible b. The solution is unbounded c. One of the constraints is redundant d. None of the above

Last Answer : a. The problem is infeasible

Description : What network model enables engineer managers to schedule, monitor and control large and complex projects by employing three time estimates per activity a. Forecasting b. Program evaluation review technique c. Critical path method d. simulation

Last Answer : b. Program evaluation review technique

Description : What network model enables engineer managers to schedule, monitor and control large and complex projects by using only one time factor per activity a. Forecasting b. Program evaluation review technique c. Critical path method d. simulation

Last Answer : b. Program evaluation review technique

Description : An activity whose start or end cannot be delay without affecting total project completion time is called ______ activity a. Dummy b. Non-critical c. Critical d. Important

Last Answer : c. Critical