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

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

1 Answer

Answer :

d. All of the above
by

Related questions

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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 work with formal models c. It captures the relevant relationship among decision factors d. It enables the use of algebraic technique

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

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

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

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

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

. 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

Description : . 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

Last Answer : d. None of the Above

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

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Last Answer : d. All of the above

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

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

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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

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

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

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

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

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

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 at an extreme point c. At optimum solution all resources are completely used d. If an optimal solution exists, there will always be at least one at a corner

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

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

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

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

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

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

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

If in a LPP, the solution of a variable can be infinity large without violating the constraints, the solution is ___ a. Infeasible b. Unbounded c. Alternative d. None of the above

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Last Answer : b. Unbounded

A set of values X1,X2……..Xn which satisfies the constraints of the LPP is called_______ a. Solution b. Variable c. Linearity d. None of the above

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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

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

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

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

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

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

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

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

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 problemsc. Variables are interrelated in terms of limited resources d. None of the above

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

In a PERT network, the earliest(activity) start time is the a. Earliest time that an activity can be finished without delaying the entire project b. Latest time that an activity can be started without delaying the entire project c. Earliest time that an activity can be started without violation of precedence requirements d. Latest time that an activity can be finished without delaying the entire project

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Last Answer : c. Earliest time that an activity can be started without violation of precedence requirements

51. An iso-profit line represents a. An infinite number of solutions all of which yield the same profit b. An infinite number of solutions all of which incurs the same cost c. An infinite number of optimal solutions d. A boundary of the feasible region

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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

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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

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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

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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

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Last Answer : d. All of the above

An optimal solution of an assignment problem can be obtained only if a. Each row & column has only one zero element b. Each row & columns has at least one zero element c. The data is arrangement in a square matrix d. None of the above

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If there were n workers & n jobs there would be a. N! solutions b. (n-1)! Solutions c. (n!)n solutions d. N Solutions

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46. Linear programming has been successfully applied in __________ a. Agricultural b. Industrial applications c. Both a & b d. manufacturing

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26. Operations Research is a _________ a. Science b. Art c. Mathematics d. Both a & b

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Last Answer : c. Both a & b

13. Operations Research cannot give perfect _____ to problems a. Answers b. Solutions c. Both a & b d. Decisions

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Last Answer : c. Both a & b

5. Operations Research was known as an ability to win a war without really going into a _____ a. Battle Field b. Fighting c. War d. Both a & b

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_______________ are mathematical problems defined as a set of objects whose state must satisfy a number of constraints or limitations. a) Constraints Satisfaction Problems b) Uninformed Search Problems c) Local Search Problems d) All of the mentioned

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