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If a manufacturer company produces
two types of product say ‘A’ and ‘B’ in ‘x’ and ‘y’ quantity respectively then
which of the following would be the objective if the profit on one unit of ‘A’
is Rs.6 and on ‘B’ is Rs.11?
Max
z = 6x +11y
In an optimization problem, we seek
for maximizing or minimizing a specific quantity, called the ----------.
objective
function
Which of the following is first step
to model a linear programming problem?
dentifying the unknown decision variables
Under which of the following
condition, a mathematical Program would be non-linear?
If
least Objective function is non-linear
Which of the following method is
used to find an optimal solution of a LP by assuming an initial solution, which
later on modified through well defined steps?
Algebraic(Simplex)
Solution of a Linear Programming problem
is found by -- methods.
Iterative
Which of the following method
follows iterative procedure to solve a Linear Programming problem?
Algebraic(Simplex)
The Economic Order Quantity in case
of Manufacturing Model without Shortage can be transformed into Purchasing
Model without Shortage by which of the following substitution?
When
Replacement rate ‘R’ approaches zero
In the Graphical method, we
determine --------- -------.
optimal
solution from among all feasible solutions.
Which of the following is the major
objective of the ABC analysis of inventory?
To
classify the items in different categories
The mathematical technique which is
used to solve a wide class of problems such as allocating scarce resources
among competitive activities is known as --------.
Linear
Programming model
In the Dynamic Order Quantity
problem, the Demands of all succeeding months can be included in the demand of
preceding one provided that ------------.
Shortage
and Item Costs are balanced
Which of the following property
assures the contribution of all variables in the Objective function and their
requirements in constraints?
Proportionality
The objective function and
----------- together form a Linear Programming problem.
a
set of constraints
Which of the following quantity will
vary in case of Dynamic Order Quantity Model?
Demand
The insensitivity of the solution relative to
the original decision variables in an LP problem which is solved by M-method is
overcome by ----------.
Simplex method
In Big M-method, if the objective
function is expressed in terms of non-basic variable then the coefficient of
artificial variable in this iteration must be -------.
M
In two phase method, for the
phase-I, if the objective function in terms of artificial variables is not
minimized then the given problem has----------.
Feasible solution
In the initial iteration of Big M-method, the artificial variables
appear in ---------.
Basis
In two phase method, which of the following will be taken as starting
solution for 2nd phase?
Basic solution of
1st phase containing non-zero artificial variables
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 -------------.
cannot be optimized
In the Simplex method to solve an LP
problem of maximization, if at the end of an iteration, there is a negative
coefficient in the objective row then the given problem---------.
needs further
improvement
In an LP problem, to evaluate the basic
variables in Simplex method in any iteration, we would have to express
Objective function in terms of ------------- variables.
Artificial
Which of the following is true about the
inclusion of non-negative slack variable into a constraint of type ‘less than or
equal’?
This inclusion doest not affect the inequality
Under which of the following condition to
solve an LP by using two phase method, we can’t proceed for 2nd phase?
Objective function of 1st phase has zero value.
Constraints x>2, x=2 and x<2
are equivalent to ________.
X=2.....confirm
Which of the following would be the
objective of the cost per unit of producing certain cameras?
Minimization.....confirm
Which of the following is the
meaning of linear?
Relationship
between the variables is a straight line......confirm
Which of the following would be the
objective of the efficiency of a certain air conditioning system depending upon
temperature X pressure y moisture w and cross-sectional area of outlet u?
Maximization......confirm
If a manufacturer company produces two types
of product A and B in x and y quantity respectively then which of the following
would be the objective if the profit on one unit of A is Rs.6 and on B is
Rs.11?
Max
z = 6x + 11y......confirm
Under which of the following
condition, a mathematical program would be non-linear?
If
both objective function and constraints are non-linear....confirm
Under which of the following
condition, the economic order quantity (EOQ) of manufacturing model with
allowed shortage can be transformed into the same model without shortage?
When
shortage cost is zero......confirm
One of the properties of linear
programming model is that ____________.The relationship between problem
variables and constraints must be
Linear.......confirm
Linear programming is the backbone
of operations research models due to __________. Linearity of objective function and
constraints.....confirm
In an optimization problem, we seek
for maximizing or minimizing a ,specific quantity, called the ________.
Objective
function......confirm
While solving a linear programming
problem the first step ________.
Formulation
of the problem.....confirm
Operations research (OR) is the
application of quantitative methods to making.
Decision……confirm
The first step in the application of
-------- is to develop a network
representation of the project plan.
CPM/PERT……confirm
There are ---------kinds of time
calculations for a project.
4….confirm
In the phase of late
start and late finish to find the critical path in a network
flow diagram which of the following will be taken as latest
finish time of the final event?
Early
finish of final event
Which of the type of
path will be critical in network flow diagram?
Longest path from starting
node…….confirm
In a development project if an
activity(m,n) of seven days duration, starts
late on 3rd day then which
of the following will be its latest finish time?
10th day……confirm
In a
quadratic programming problem unlike linear programming problem
At least one of objective function or
constraint must be quadratic
Solution
region of the constraint x>_0 is
Half plane to the region where
abscissas are non-negative
A
dummy activity is a simulated activity of sorts, one that is of
________duration and is created for the sole purpose of demonstrating a
specific relationship and path of action on the arrow diagramming method.
Zero
Activity
definition refers to the process of parsing a project into a number of
individual tasks which must be completed ___________ the deliverables can be
considered completed. Activity definitions rely on a number of specific input
processes.
Before
The
first step in a problem solving exercises in OR is the ________that exist in
the system.
Construction of the model of problem
A
requirement for the definition of the problem in OR is that _________must be
clearly defined which helps to focus attention on what the problem is
Objective
In a
network flow diagram, time follows from_________
Left to right
In a
national highway system intersection of two or more roads has the same analogy
as the ______in the network flow diagram.
Node
Best
possible time estimate that a given activity would take under normal conditions
which often exist, is called
Most likely time estimate
In
______, activity time estimates are distributed according to beta distribution.
PERT
The
graphical method for solving a linear programming problem is applicable when
_____
Two variables are involved
Which
of the following is equivalent relation to the constraint x=2 of a linear
programming
x<2 and X>2
While
using simplex method for a LPP if there are 4 standard equations in 8 variables
then number of non basic variables will be _______
4
The
above problem is for minimization. Then what will be the leaving variable in
the table?
R2
In
the purchasing model without any shortage (Wilsonsmodel) which of the following
quatitiy does not vary?
Demand
How
many decision variables are involved in the inventory model with shortages?
Two
Which
of the following rule is used in order to minimize the decision variables in
any inventory model?
Simplex method
Which
statement is true?
Objective
function in Linear Programming problems has always finite value at the optimal
solution
A finite optimal solution can be not
unique
An
OR model is an abstract representation of____
An existing problem situation
Game
theory problems are covered by which of the following operations research
techniques
Linear programming techniques
OR
can not be applied in developing the five year plan for a food
manufacturer.This statement isff
False
A
___ is a network where every pair of nodes is connected
Connected network
To
identify and maintain the proper procedence relationship between activities.
These are not connected by event,we introduce.
Dummy Activity
For
a manufacture product optimization means
Minimizing its cost
In the Purchasing Model with Shortages the Cost Function ‘C(S,Q)’ can also be expressed as function of --------------.
Select correct option:
(t,D)
(Q,D)
(S,t)
(S,D)
Question # 2 of 10 ( Start time: 03:57:35 PM ) Total Marks: 1
Under which of the following condition the economic order quantity in
case of Purchasing Model with Shortage can be transformed into
Purchasing Model with no Shortage?
Select correct option:
When shortage Cost tends to zero
When Shortage Cost tends to infinity
When Carrying Cost tends to zero
When Carrying Cost tends to infinity
Question # 3 of 10 ( Start time: 03:58:39 PM ) Total Marks: 1
If the demand of an item is occurred in the period of stock out and it
is satisfied at the beginning of the next cycle then such type of
problem will discuss under which of the following?
Select correct option:
Purchasing Model with shortages
Purchasing Model with no shortages
Question # 4 of 10 ( Start time: 03:59:39 PM ) Total Marks: 1
By putting the Replacement Rate ‘R?Infinity’ and Shortage Cost
‘C4?Infinity’ in the Economic Order Quantity(EOQ) of Manufacturing Model
with allowed Shortage, then the result is -----------
Select correct option:
EOQ of Wilson’s Model
EOQ of Manufacturing Model without Shortage
EOQ of Purchasing Model with allowed Shortage
Invariant
Question # 5 of 10 ( Start time: 04:00:56 PM ) Total Marks: 1
In the graph of Purchasing Model with shortages, the area above the horizontal axis represents -----------.
Select correct option:
set up cost of item
shortage cost of item
purchase cost of item
carrying cost of item
Question # 6 of 10 ( Start time: 04:02:13 PM ) Total Marks: 1
Which of the following is the is major assumed difference between the models of Purchasing and Manufacting without shortage ?
Select correct option:
Replacement rate
Shortage
Demand
Item, Setup and Holding Costs
Question # 7 of 10 ( Start time: 04:03:29 PM ) Total Marks: 1
The Economic Order Quantity in case of Manufacturing Model without
Shortage can be transformed into Purchasing Model without Shortage by
which of the following substitution?
Select correct option:
When Replacement rate ‘R’ approaches zero
When Replacement rate ‘R’ approaches infinity
When Demand rate approaches zero
When Demand rate approaches infinity
Question # 8 of 10 ( Start time: 04:04:36 PM ) Total Marks: 1
In the Dynamic Order Quantity problem if the ratio of Setup and Carrying
Costs is ‘500’ and the Demands of 2nd and 3rd months are 50 and 120
respectively then which of the following is true about the 2nd month’s
requirment?
Select correct option:
2nd month demand can be included in 1st month
2nd month demand will have to fulfill in 2nd month
2nd month demand can be included in 3rd month
2nd month demand can be included in any month of the year
Quiz Start Time: 03:56 PM
Time Left 88
sec(s)
Question # 9 of 10 ( Start time: 04:05:25 PM ) Total Marks: 1
Which of the following category of items in ABC analysis has the maximum Holding Cost?
Select correct option:
A category
B category
C category
All categories’’ items have equal Holding Costs
Quiz Start Time: 03:56 PM
Time Left 89
sec(s)
Question # 10 of 10 ( Start time: 04:05:47 PM ) Total Marks: 1
For ABC analysis, in the Random Sample of some items, the ranks to the
items are assigned with respect to their ----------------.
Select correct option:
lowest annual unit cost
largest annual unit cost
lowest annual usage value
largest annual usage value
Quiz Start Time: 04:18 PM
Time Left 86
sec(s)
Question # 1 of 10 ( Start time: 04:18:31 PM ) Total Marks: 1
In the Dynamic Order Quantity problem if the ratio of Setup and Carrying
Costs is ‘500’ and the Demands of 2nd and 3rd months are 50 and 130
respectively then which of the following is true about the 2nd month’s
requirment?
Select correct option:
2nd month demand can be included in 1st month
2nd month demand will have to fulfill in 2nd month
2nd month demand can be included in 3rd month
2nd month demand can be included in any month of the year
[4:19:35 PM] Abu Bakar:
BC100401595 : Abubakar Khalid
Question # 2 of 10 ( Start time: 04:19:29 PM ) Total Marks: 1
A single cycle consists of two phases in case of “Manufacturing without
Shortage ”, then which of the following is the first phase?
Select correct option:
Withdrawal of items from inventory at constant rate in per unit of time
The inventory is assembled at constant rate per unit of time
Question # 3 of 10 ( Start time: 04:20:21 PM ) Total Marks: 1
Which of the following is the is major assumed difference between the models of Purchasing and Manufacting without shortage ?
Select correct option:
Replacement rate
Shortage
Demand
Quiz Start Time: 04:18 PM
Time Left 88
sec(s)
Question # 4 of 10 ( Start time: 04:20:39 PM ) Total Marks: 1
In the Dynamic Order Quantity problem if the ratio of Setup and Carrying
Costs is ‘500’ and the Demands of 2nd and 3rd months are 50 and 120
respectively then which of the following is true about the 2nd month’s
requirment?
Select correct option:
2nd month demand can be included in 1st month
2nd month demand will have to fulfill in 2nd month
2nd month demand can be included in 3rd month
2nd month demand can be included in any month of the year
Question # 5 of 10 ( Start time: 04:21:56 PM ) Total Marks: 1
In which of the following model, the Carrying Cost per unit of time is reduced in the ratio (1-D/R):1 ?
Select correct option:
Purchasing Model without Shortage
Manufacturing Model without Shortage
Purchasing Model with allowed Shortage
Manufacturing Model with allowed Shortage
Question # 6 of 10 ( Start time: 04:23:22 PM ) Total Marks: 1
In the Dynamic Order Quantity problem, the Demands of all succeeding
months can be included in the demand of preceding one provided that
------------.
Select correct option:
Item and Holding Costs are balanced
Shortage and Setup Costs are balanced
Setup and Holding Costs are balanced
Shortage and Item Costs are balanced
Question # 7 of 10 ( Start time: 04:23:45 PM ) Total Marks: 1
By putting the replacement rate ‘R?infinity’ in the Economic Order
Quantity(EOQ) of Manufacturing Model with allowed Shortage, then the
result is -----------.
Select correct option:
EOQ of Purchasing Model without Shortage
EOQ of Manufacturing Model without Shortage
EOQ of Purchasing Model with allowed Shortage
invariant
Question # 8 of 10 ( Start time: 04:24:58 PM ) Total Marks: 1
In the graph of Purchasing Model with shortages, the area above the horizontal axis represents -----------.
Select correct option:
set up cost of item
shortage cost of item
purchase cost of item
carrying cost of item
Quiz Start Time: 04:18 PM
Time Left 85
sec(s)
Question # 9 of 10 ( Start time: 04:26:27 PM ) Total Marks: 1
If the purchases are made in large quantities then the Economic Order Quanti ty model may fail because --------------.
Select correct option:
the Holding Cost will increase
the Holding Cost will decrease
the Setup Cost will increase
the Setup Cost will decrease
Question # 10 of 10 ( Start time: 04:27:13 PM ) Total Marks: 1
If the total inventory in one cycle of ‘t’ units of time is ‘(1/2)Qt’,
then which of the following is the average inventory at any time?
Select correct option:
Q/t
Q/2
(Q/2)t
2Q
Question # 1 of 10 ( Start time: 04:28:57 PM ) Total Marks: 1
In the Dynamic Order Quantity problem if the ratio of Setup and Carrying
Costs is ‘500’ and the Demands of 2nd and 3rd months are 50 and 130
respectively then which of the following is true about the 2nd month’s
requirment?
Select correct option:
2nd month demand can be included in 1st month
2nd month demand will have to fulfill in 2nd month
2nd month demand can be included in 3rd month
2nd month demand can be included in any month of the year
Question # 2 of 10 ( Start time: 04:29:14 PM ) Total Marks: 1
In the ABC analysis, the items are classified into three categories with respect their--------------.
Select correct option:
cost value
demand value
turn over value
mark up value
Question # 3 of 10 ( Start time: 04:29:36 PM ) Total Marks: 1
Which of the following is true about the Manufacturing model without Shortage?
Select correct option:
Demand rate = Replacement rate
Demand rate > Replacement rate
Demand rate < Replacement rate
None of the above choices
Question # 4 of 10 ( Start time: 04:30:42 PM ) Total Marks: 1
A single cycle consists of two phases in case of “Manufacturing without
Shortage ”, then which of the following is the first phase?
Select correct option:
Withdrawal of items from inventory at constant rate in per unit of time
The inventory is assembled at constant rate per unit of time
Question # 5 of 10 ( Start time: 04:30:55 PM ) Total Marks: 1
Which of the following category of items in ABC analysis has the maximum Holding Cost?
Select correct option:
A category
B category
C category
All categories’’ items have equal Holding Costs
Question # 6 of 10 ( Start time: 04:31:12 PM ) Total Marks: 1
Under which of the following condition the economic order quantity in
case of Purchasing Model with Shortage can be transformed into
Purchasing Model with no Shortage?
Select correct option:
When shortage Cost tends to zero
When Shortag Cost tends to infinity
When Carrying Cost tends to zero
When Carrying Cost tends to infinity
Question # 7 of 10 ( Start time: 04:32:09 PM ) Total Marks: 1
By putting the replacement rate ‘R?infinity’ in the Economic Order
Quantity(EOQ) of Manufacturing Model with allowed Shortage, then the
result is -----------.
Select correct option:
EOQ of Purchasing Model without Shortage
EOQ of Manufacturing Model without Shortage
EOQ of Purchasing Model with allowed Shortage
invariant
Question # 8 of 10 ( Start time: 04:32:28 PM ) Total Marks: 1
In the Purchasing Model with Shortages the Cost Function ‘C(S,Q)’ can also be expressed as function of --------------.
Select correct option:
(t,D)
(Q,D)
(S,t)
(S,D)
Question # 9 of 10 ( Start time: 04:32:40 PM ) Total Marks: 1
Which of the following is the major objective of the ABC analysis of inventory?
Select correct option:
To fulfill the demand of items
To replace the required items in proper time
To control the inventories
To classify the items in different categories
Quiz Start Time: 04:28 PM
Time Left 89
sec(s)
Question # 10 of 10 ( Start time: 04:32:59 PM ) Total Marks: 1
Which of the following quantity will vary in case of Dynamic Order Quantity Model?
Select correct option:
Setup Cost
Carrying Cost
Item Cost
Demand
The amount of the inventory will always taken to be ----------- MTH601
Negative
A single cycle consists of two phases in case of
“Manufacturing without Shortage ”, then which of the following is the
first phase? MTH601
Withdrawl of items from inventory at constant rate in per unit of time
If the demand of an item is occurred in the period of
stock out and it is satisfied at the beginning of the next cycle then
such type of problem will discuss under which of the following? MTH601
Purchasing Model with no shortages
If an item is manufactured, then the direct or indirect
material, labor, and overhead expenses are referred to -----------.
MTH601
Item cost
In which of the following model, the Carrying Cost per unit of time is reduced in the ratio (1-D/R):1 ? MTH601
Purchasing Model without Shortage
In the context of Wilson’s model, at time t = 0, the quantity ‘Q’ of the product is--------- in the inventory. MTH601 Minimum
Which of the following quantity will vary in case of Dynamic Order Quantity Model?
Demand
The parameters like demand and ordering quantity cost are quite --------- in the Deterministic inventory models. MTH601
unCertain
Objective of inventory control is to balance between the
advantage of having inventories and the --------- of carrying them to
arrive at an optimal level of inventories to minimize the total
inventory cost. MTH601
demand
Which of the following category of items in ABC analysis needs special attention by the management? MTH601
All category
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