For a LP say;‘Min:z = x+y’ under the constraints x,y>=0, the optimal solution would be--------.

• A) point(0,0)
• B) all xy-plane
• C) empty set
• D) all the first quadrant

In the Two Phase Method the objective of Phase 2 is to _____________.

• A) maximize the original objective function
• B) maximize the artificial variables
• C) find the optimum basic solution for the original problem
• D) minimize the original objective function

In the Simplex method to solve an LP problem of minimization, if at the end of iteration, there is a positive coefficient in the objective row then the given problem -------------.

• A) has been maximized
• B) needs further improvement
• C) can not be optimized
• D) has no solution

The first step in the 'Big M' technique is ________________.

• A) identifying the objective function coefficients
• B) introducing artificial variables for constraints involving “≥”
• C) None of these
• D) expressing the linear programming problem in equation form

When using Big M method, the objective function should not contain __________ variable(s).

• A) slack
• B) $x_1$
• C) artificial and slack
• D) artificial

In the Simplex method to solve an LP problem, Gauss Jordan Elimination method demands that all the key column's entries should be --------- except key row(pivot) entry.

• A) zero
• B) strictly positive
• C) maximum or minimum
• D) strictly negative

When constraints are of greater than or equal to type, then we ______________.

• A) non of these
• B) both of these
• C) subtract slack variable and add artificial variable
• D) add slack variable and subtract artificial varialbe

Which of the following will be annual optimum cost of a product if the number of annual orders WITHOUT any shortage is 25 and the total cost of one cycle is 10,000?

• A) Rs. 10025
• B) Rs.400
• C) Rs. 250000
• D) Rs.9975

When we have to manage a project with available resources, we have the option of resource leveling. Here the resources availability is less than the maximum resources required for an activity, then it is feasible to divert the resources to -------------.

• A) head or tail activities
• B) critical activities
• C) dummy activities
• D) non-critical activities

Which of the fiollowing is an intermediate step to model a linear programming problem?

• A) Identify the non-negative restrictions and constraints
• B) None of these
• C) Identify the objective function
• D) Identify the unknown decision variables

In the ABC analysis, the items are classified into three categories with respect their--------------.

• A) mark up value
• B) cost value
• C) demand value
• D) turn over value

In Wilson’s model, Total cost = ------------

• A) Item cost + holding cost + shortage cost + set up cost
• B) Item cost + holding cost + shortage cost
• C) Item cost + set up cost + holding cost
• D) Holding cost + shortage cost + set up cost

Which of the following would be the objective of the yield per minute in a chemical process which depends upon the temperature ‘x’ and pressure ‘y’?

• A) Inflection
• B) Average
• C) Maximization
• D) Minimization

Which of the following can NOT be considered to include in shortage cost?

• A) Cost of lost sales
• B) Cost of expediting
• C) Loss of goodwill of customers due to delay
• D) Overtime expenses

If the economic order quantity and the annual demand of a product are 2500 and 5000 units respectively, then WITHOUT any shortage the number of orders are ----------.

• A) 02
• B) 30
• C) 125
• D) 500

Which of the following technique to solve the network flow diagrams, is event oriented?

• A) Programme Evaluation and Review Technique
• B) Critical Path Method
• C)
• D)

Which of the following cost for an item is independent of the quantity ordered or produced?

• A) Item cost
• B) Shortage Cost
• C) Inventory holding cost
• D) Set-up cost

If the decision variables in primal problem are nonnegative then decision variables in dual are negative.

• A) False
• B) True
• C)
• D)

In the NWC method, which cell is chosen for allocation initially?

• A) Bottom right corner
• B) Top right corner
• C) Top left corner (Northwest Corner)
• D) Bottom left corner

Which method is expected to give a better initial solution among NWC, LCM, and VAM?

• A) NWC
• B) All methods provide similar initial solutions
• C) VAM
• D) LCM