Gate Industrial Engineering Questions
Gate Industrial Engineering Quiz
Test your knowledge in industrial engineering with our comprehensive quiz designed for students and professionals alike. Whether you are preparing for a certification exam or just want to brush up on your forecasting and inventory management skills, this quiz is tailored to challenge you.
- Multiple choice questions covering key concepts
- Ideal for students and professionals in industrial engineering
- Learn and reinforce your understanding of critical topics
1. The cost commonly used criteria for measuring forecast error is
Mean absolute error is
Mean absolute deviation
Mean standard error
Mean Square error
2. Which one of the following forecasting techniques us not suited for making forecasts for planning production schedules in the short range?
Moving average
Exponential moving average
Regression analysis
Delphi
3. Which of the following is a technique for for forecasting?
Exponential smoothing
PERT/CPM
Gantt chart technique
Control charts
4. When using a simple moving average to forecast demand, one would
Given equal weight to all demand data
Assign more weight to the recent demand data
Include new demand data in the average without discarding the earlier data
Include new demand data in the average after discarding some of the earlier demand data
5. A regression model is used to express a variable Y as a function of another variable X, this implies that
There is a causal relationship between Y and X
A value of X may be used to estimate a value of Y
Values of X exactly determine values of Y
There is no causal relationship between Y and X
6. In an MRP system component demand is
Forecasted
Established by the master production
Calculated by the MRP system from the master production schedule
Ignored
7. Which of the following forecasting methods takes a fraction of forecast error into account for next period forecast?
Simple average method
Moving average method
Weighted moving average method
Exponential smoothing method
8. In simplex exponential smoothing forecasting, to give higher weightage to recent demand information, the smoothing constant must be
-1
Zero
0.5
1
9. In an ideal inventory control system, the economic lot size for a part is 1000. If the annual demand for the part is doubled, the new economic lot size required will be
500
2000
1000/√2
1000√2
10. When the annual demand of a product is 24000 units, the EOQ is 2000 units. If the annual demand is 48000 units the most appropriate EOQ will be
1000 units
2000 units
2800 units
4000 units
11. If the demand for an item is doubled and the ordering cost halved, the economic order quantity
Remains unchanged
Increase by factor √2
Is doubled
Is halved
12. Setup costs do not include
Labour cost of setting up machine
Ordering cost or raw material
Maintenance cost of the machines
Cost of processing the work piece
13. In inventory planning, extra inventory is unnecessarily carried to the end of the planning period when using one of the following lot size decision polices:
Lot for lot production
Economic order quantity(EOQ) lot size
Period order quantity(POQ) lot size
Part period total cost balancing
14. A company uses 2555 units for an item annually. Delivery lead time is 8 days. The reorder point(in number of units) to achieve optimum inventory is
7
8
56
60
15. In an assembly line for assembling toys, five workers are assigned tasks which takes times of 10, 8, 6, 9 and 10 minutes respectively. The balance delay for line is
43.3%
14.8%
14.0%
16.3%
16. If at the optimum in a linear programming problem, a dual variable corresponding to a particular primal constraint is zero, then it means that
Right hand side of the primal constraint can altered without affecting the optimum solution
Changing the right hand side of the primal constraint will disturb the optimum solution
The objective function is unbounded
The problem is degenerate
17. Simplex method of solving linear programming problem uses
All the points in the feasible region
Only the corner points of the feasible region
Intermediate points within the infeasible
Only the interior points in the feasible region
19. In the construction of networks, dummy activities are introduced in order to
Compute the slack on all events
Transfer resources, if necessary, during monitoring
Clearly designated a precedence relationship
Simplify the crashing plan
20. In PERT, the distribution of activity times is assumed to be
Normal
Gamma
Beta
Exponential
21. A dummy activity is used in PERT network to describe
Precedence relationship
Necessary time delay
Resource restriction
Resource idleness
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