This set of Flexible Manufacturing System Multiple Choice Questions & Answers (MCQs) focuses on “Components and Operational Features of AS/RS”.
1. Which of the following is a more recent form of automated storage technology?
a) Unit Load Storage
b) Modular Storage
c) Bulk Storage
d) Work in Process Storage
View Answer
Explanation: The more recent form of automated storage technology is work in process storage. It is an efficient way to store materials between processing steps which will be carried out in batch and job shop production.
2. Maximizing the work in progress is always desirable.
a) True
b) False
View Answer
Explanation: It is always desirable to minimize the work in process. Work in Process is an unavoidable aspect in a manufacturing industry. It should be effectively managed.
3. Which of the following is needed between multiple operations to temporarily store the outputs of the first process?
a) Shelves
b) In Process Buffer
c) Fillet
d) Bins
View Answer
Explanation: In order to store the outputs of the first process between multiple operations, in Process buffer is used. A Typical example is a two process sequence in which the first process feeds the second process.
4. What is meant by JIT in manufacturing terminology?
a) Just in Tension
b) Just in Transfer
c) Just in Time
d) Just in Technique
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Explanation: JIT means Just in Time in manufacturing terminology. In this manufacturing approach, products will be manufactured only after receiving order from the customer based on their own design parameters.
5. Which of the following is the rack framework used to support load contained in the AS/RS?
a) Shelves
b) Pallet
c) Reverse Structure
d) Storage Structure
View Answer
Explanation: The rack framework which is used to support the load contained in the automated storage and retrieval system is known as rack structure. Individual storage compartments are designed to hold the storage materials.
6. Which of the following is mounted on rigid mast of storage and retrieval machines?
a) Guided Wire
b) Pallet
c) Grinded Wire
d) Elevator System
View Answer
Explanation: Elevator System will be mounted on rigid mast of storage and retrieval machines. These are primarily used for the vertical motion of the carriage.
7. Which is attached to the base of the rigid mast of storage and retrieval machines?
a) Pulley
b) Threaded Screw
c) Bearings
d) Wheels
View Answer
Explanation: Wheels are usually attached to the base of the rigid mast of storage and retrieval machines. This is done in order to permit horizontal travel along the rail system which runs the length of the rail.
8. Which is included at the top of the storage structure which is used to maintain the alignment of the mast?
a) Wheel
b) Bearings
c) Parallel Rail
d) Elevator
View Answer
Explanation: In automated storage and retrieval system, in order to maintain the alignment of the mast and carriage, parallel rail system will be used. This will be done with respect to the rack structure.
9. Which mechanism is observed in carriage to move loads into and from their storage compartments?
a) Throttle Mechanism
b) Shuttle Mechanism
c) Lead Screw Mechanism
d) Quick Return Mechanism
View Answer
Explanation: Shuttle Mechanism will be observed in carriage to move loads into and from their storage compartments. Positioning and actuation of the carriage and shuttle are done automatically in AS/RS system.
10. How many drive systems are required to accomplish the desired motions of storage and retrieval machine?
a) Zero
b) Five
c) One
d) Three
View Answer
Explanation: Three drive systems are required to accomplish the desired motions of storage and retrieval machine. They are horizontal movement of the mast, vertical movement of the carriage and shuttle carriage transfer between carriage and storage equipment.
11. Which of the following determines the time required for the carriage to travel from Pickup and deposit station to a particular location?
a) Sprocket Velocity
b) Carriage Speed
c) Bearing Revolution
d) Throttle Speed
View Answer
Explanation: Carriage Speed determines the time required for the carriage to travel from Pickup and deposit station to a particular location. The Modern storage and retrieval machines have an average speed of up to 200 m/min.
12. Which are the unit load containers of the stored material?
a) Conveyor
b) Rail
c) Rack System
d) Storage Modules
View Answer
Explanation: The unit load containers of the stored material are known as Storage Modules. Pallets, steel wire baskets, containers, plastic tote pans and special drawers as that used in mini load automated storage and retrieval system are the typically used storage modules.
13. Which of the following must be compatible with both the storage retrieval machine and the external handling system?
a) Container
b) Guided Wire
c) Carriage
d) P & D Station
View Answer
Explanation: The P & D station commonly known as Pickup and dropping station must be compatible with both the storage retrieval machine and external handling system. Several methods were used to handle materials such as fork lifting, conveyors.
14. Which of the following is the principal AS/RS controls problem?
a) Testing
b) Measuring
c) Sliding
d) Positioning
View Answer
Explanation: The Principal Automated Storage and retrieval system controls problem is positioning the storage and retrieval machines. It should be done at an acceptable tolerance at a storage compartment in the rack structure.
15. How will be the locations of storage materials recorded?
a) Modular File
b) Operator File
c) System Location File
d) Item Location File
View Answer
Explanation: The locations of storage materials in a storage system will be recorded as item location file. After completing the storage transaction, the transaction will be recorded in the specified item location file.
16. Which codes are used for identifying the locations of the aisle?
a) Poly Codes
b) Morse Codes
c) Algebraic Codes
d) Alphanumeric Codes
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Explanation: The codes are used for identifying the locations of the aisle are known as alphanumeric codes. The locations of the aisle such as horizontal or vertical position, right side or left side of the system will be identified by these codes.
17. Which of the following permits the physical operations of the AS/RS to be integrated with the supporting information?
a) Computer Control
b) Maintenance Control
c) Loop Control
d) Machine Control
View Answer
Explanation: In order to permit the physical operations of the AS/RS to be integrated with the supporting information, computer control systems are widely used. Storage transactions, inventory records will be done by this system.
Sanfoundry Global Education & Learning Series – Flexible Manufacturing System.
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