INDUSTRIAL ENGINEERING MOCK TEST

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INDUSTRIAL ENGINEERING MOCK TEST - III

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In Single resource scheduling, Shortest Processing Time (SPT) sequencing minimizes the

1 point

No. of trady Jobs

Mean lateness

Maximum Tardiness

Maximum lateness jobs

Clear selection

In single exponential smoothing, typically the value of α (alpha), the smoothing constant is selected in the range of

1 point

0.1 to 0.3

0.5 to 1.0

0.01 to 0.1

0.6 to 0.8

Clear selection

Critical path moves along the activities having the total float of

1 point

Zero

Constant value

Negative value

Positive value

Clear selection

Which one of the following does not form a part of the direct cost of component?

1 point

Cost of special tooling used

Cost of material used

Wages of the Labour actually involved

All of the above

Clear selection

The artificial activity which indicates that an activity following it cannot be started unless the preceding activity is complete, is known as

1 point

Event

Free float

Total float

Dummy

Clear selection

Queuing theory is NOT used for

1 point

Inventory problems

Traffic congestion studies

Job-Shop scheduling

None of the above

Clear selection

Match the Column – I with Column – II

2 points

A – 1; B – 2; C –3; D – 4;

A – 1; B – 5; C – 3; D – 2;

A – 3; B – 2; C – 1; D – 5;

A – 3; B – 5; C – 1; D – 2;

Clear selection

Seiketsu, a Japanese term of 5S methodologies, represents the method to

1 point

Straighten

Sort

Sustain

Standardize

Clear selection

Continuous stock taking is a part of

1 point

ABC analysis

Annual stock taking

Perpetual Inventory

None of these

Clear selection

In an economic order quantity based inventory control when re-order level is greater than order quantity, the number of orders outstanding at any time is

1 point

Never more than one

One only

At least one

No order outstanding

Clear selection

7, 7, 7, 6, 6, 9, 8 and 6 are the times recorded for one element of operation. How many cycles are necessary for the time study? If the error is not to exceed 5% at the confidence level of 99.7%

2 points

144

Clear selection

In inventory planning, extra inventory is unnecessarily carried to the end of the planning period when using which of the following lot size decision policies?

1 point

EPQ lot size

Part period total cost balancing

EOQ lot size

Lot-for-lot Production

Clear selection

In queuing theory, the ratio of the mean arrival rate and the mean service rate is called the

1 point

Utilization factor

Work factor

Productivity rate

Slack constant

Clear selection

If the demand of an item is doubled and the ordering cost is halved, the economic order quantity (EOQ)

1 point

Increase by a factor of √2

Is doubled

Is halved

Remains unchanged

Clear selection

An airline has determined that 10 spare brake cylinders will give them stock out risk of 30%, whereas 14 will reduce the risk to 15% and 16 to 10%. It takes 3 months to receive items from supplier and the airline has an average of 4 cylinders per month. At what stock level should they reorder assuming that they wish to maintain 85% service level?

2 points

30 items

12 items

14 items

26 items

Clear selection

Monte-Carlo solutions in queuing theory are extremely used in queuing problems

1 point

That cannot be analyzed mathematically

That require modeling

Involving verification

Involving multistage queuing

Clear selection

A company sells 14,000 units of its product. It has variable cost of Rs.15 per unit. Fixed cost is Rs.47,000 and the required profit is Rs.23,000. Per unit product price (in Rs.) will be

1 point

Clear selection

Which of the following is NOT advantage of Master Scheduling?

1 point

Very flexible

Simple to understand

Detailed operation can be visualized

None of the above

Clear selection

In M/M/1 queue, the arrival rate is

1 point

Beta

Poisson

Linear

Exponential

Clear selection

In an assembly line for assembling toys, five workers are assigned task which times of 10, 8, 6, 9 and 10 minutes respectively. The balance delay for line is

2 points

14.0%

43.3%

16.3%

14.8%

Clear selection

If at optimum in a linear programming problem a dual variable corresponding to a particular primal constraint is zero, then it means that

1 point

The objectives function is unbounded

Right hand side of the primal constraint can altered without affecting the optimum solution

The problem is degenerate

Changing the right hand side of the primal constraint will disturb the optimum solution

Clear selection

If R is the base rate guaranteed per hour, S is the standard time for the job and T is the actual time, then wages for the job will be, according to Halsey 50-50 plan and Rowan plan

1 point

TR, TR + (S – T)/2 x R

TR + (S - T) x R, TR + (S + T) x R

TR + (S – T)/2 x R, TR + (S – T)/S x R

TR + (S – T)/S x R, TR + (S – T)/2 x R

Clear selection

Both Rowan plan and 50-50 Halsey plan will provide same earning when the actual time is ______ the standard time.

1 point

equal

twice

Clear selection

Chart which is useful for scheduling and control is

1 point

Gantt Chart

X ̅and R Chart

Flow Process chart

Kanban chart

Clear selection

2 points

2 and 3

1, 2 and 4

1, 4 and 5

2, 4 and 5

Clear selection

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