Operations Research

91. Float analysis is useful for ______________.

  1. total float
  2. free float
  3. independent float
  4. variance of each float
Correct answer: (B)
free float

92. The difference between free float and tail event slack is ______________

  1. total float
  2. independent float
  3. interference float
  4. slack
Correct answer: (B)
independent float

93. The assignment problem is a special case of transportation problem in which ______________.

  1. number of origins are less than the number of destinations
  2. number of origins are greater than the number of destinations
  3. number of origins are greater than or equal to the number of destinations
  4. number of origins equals the number of destinations
Correct answer: (D)
number of origins equals the number of destinations

94. The average arrival rate in a single server queuing system is 10 customers per hour and average service rate is 15 customers per hour. The average time that a customer must wait before it is taken up for service shall be ______________minutes.

  1. 6
  2. 8
  3. 10
  4. 12
Correct answer: (B)
8

95. The time between the placement of an order and its delivery is called as ______________

  1. buffer time
  2. lead time
  3. Economic Order Quantity
  4. capital time
Correct answer: (B)
lead time

96. In Program Evaluation Review Technique the maximum time that is required to perform the activity under extremely bad conditions is known as ______________.

  1. normal time
  2. optimistic time
  3. most likely time
  4. pessimistic time
Correct answer: (D)
pessimistic time

97. All of the following may be used to find the EOQ except ______________.

  1. optimal number of days supply to order
  2. number of orders which minimize ordering costs optimal
  3. number of rupees per order optimal
  4. number of orders per year
Correct answer: (D)
number of orders per year

98. A feasible solution of an Linear Programming Problem that optimizes the objective function is called ______________

  1. basic feasible solution
  2. optimum solution
  3. feasible solution
  4. solution
Correct answer: (B)
optimum solution

99. Charnes method of penalty is called ______________

  1. Simplex Method
  2. Dual Simplex Method
  3. Big-M Method
  4. Graphical Method
Correct answer: (C)
Big-M Method

100. If the given Linear Programming Problem is in its canonical form then primal-dual pair is ______________.

  1. symmetric
  2. un symmetric
  3. square
  4. non square
Correct answer: (B)
un symmetric
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