Instrumentation and Control in Manufacturing Systems Mid - I, September - 2014

1.The no. of basic motions or degrees of freedom, which provide the robot with the capability to move the end effectors through the required sequences of motions are
  • Five
  • Six
  • Three
  • Four
Answer: B
2.A "not" coil, energized whenever its rung is open. is denoted by
  • ( )
  • (\)
  • [ ]
  • [\]
Answer: B
3.A manufacturing system consists of which of the following components [ ]
  • production machines (plus tools, fixtures, and other related hardware)
  • a material handling system, human workers to operate and manage the system
  • a computer system to co-ordinate and/or control the preceding components
  • All the above
Answer: D
4.In manufacturing systems the manning level produces _______ levels for single station systems(manned and fully automated)
  • Five
  • Six
  • Two
  • Four
Answer: B
5.Which of the below factors that influence speed of motion
  • Weight of the object
  • Precision with which the object must be located
  • both A & B
  • none
Answer: C
6.A regular contact, closed whenever its corresponding coil or an input which controls it is energized is denoted by
  • ( )
  • (\)
  • [ ]
  • [\]
Answer: C
7.Which of the following are to determine whether contact is made in ROBOTS?
  • Tactile sensors
  • Proximity sensors
  • Optical sensors
  • all the above
Answer: A
8.Which of the following situations tend to promote of robot for human labor
  • Part position and orientation
  • Repetitive work cycle
  • Infrequent changeovers
  • all the above
Answer: D
9._________ are a group of actions that are regularly performed together at individual workstations.
  • Loading
  • Positioning
  • unloading work units
  • all the above
Answer: D
10._________ is a measure of the robot’s ability to position its end-of wrist at a previously taught point in the work volume.
  • Controllability
  • Observability
  • Repeatability
  • Sustainability
Answer: C
11.The shape of the work volume depends largely on the ______________configuration.
Answer: Robot
12.The ______________ of a workstation is the amount of time that a human operator is required to be in attendance at the workstation
Answer: Manning level
13.SCARA stands for ______________
Answer: Selective Compliance Assembly Robot Arm
14._____________is a measure of the robot’s ability to position the end of its wrist at a desired location in the work volume.
Answer: Accuracy;
15.____________ involve passing work units between workstations by hand or in batches, by means of manual techniques or by using appropriate material transport systems.
Answer: Material transport systems
16.A ____________ is defined as a collection of two or more machines producing parts or products with identical cycle times and serviced by one worker.
Answer: Machine cluster
17.___________ is used to develop software for programmable logic controllers (PLCs) used in industrial control applications
Answer: Ladder logic
18.When implemented in a _____________ the rules are typically executed sequentially by software, in a continuous loop (scan).
Answer: Programmable logic controlle
19.____________ may represent a physical output which operates some device connected to the programmable controller, or may represent an internal storage bit for use elsewhere in the program.
Answer: Coil (output of a rung)
20.______________ help handicapped individuals by assisting with daily tasks including wheelchair navigation and feeding.
Answer: Assistive robots