Q.1

A common data base is one requisite for converting CAD and CAM to CIM. Another is that:

  • the system must make provision for new techniques.
  • there should be a common 3-D part description system.
  • the user must have access to both hardware and software
  • technical assistance must be provided to the user.
  • None of the above
Q.2

What should be first considered in choosing a plotter?

  • The hardware you currently own
  • The application for which it will be used
  • The type of data you will input
  • The cost
  • None of the above
Q.3

The coordinate system used to describe a workpiece:

  • is always two-dimensional
  • changes from part to part
  • is defined with respect to a point on the machine
  • All of the above
  • None of the above
Q.4

The use of specialized workstations:

  • provides limited growth potentials for 3-D
  • reduces the host computer workload and allows more users
  • reduces the host computer workload
  • has a high cost-performance tradeoff
  • None of the above
Q.5

What key hardware item ties a CAD/ CAM system together?

  • Mouse
  • Graphics workstation
  • Digitizer
  • Plotter
  • None of the above
Q.6

Which technique enables the designer to mold and shape, rather than construct on object using a series of lines?

  • Solid modeling
  • Wire-frame modeling
  • Surface modeling
  • FEM (Finite Element Modeling)
  • None of the above
Q.7

Computer-based controllers:

  • should be built in a modular fashion wherever possible
  • are very difficult to change
  • are very flexible
  • (a) and (c) above
  • None of the above
Q.8

Pressure sensors:

  • use the piezoresistive effect in strain gauge sensors
  • use an aneroid chamber with a variable resistance output
  • use capacitive variations to sense pressure
  • All of the above
  • None of the above
Q.9

Vision sensors:

  • will remain very costly
  • can not improve much in the next decade
  • will more closely match the capabilities of the human eye
  • All of the above
  • None of the above
Q.10

Numerical control:

  • is a method for controlling the operation of a machine by means of a set of instructions
  • applies only to milling machines
  • is a method for producing an exact number of parts per hour
  • All of the above
  • None of the above
Q.11

A venturi tube:

  • is extremely difficult to use
  • is made only of metal
  • measures the presence of a liquid
  • can be used to measure gas or liquid flow rates
  • None of the above
Q.12

What is proportional control?

  • It has a discrete output for each error value
  • The controller output varies continuously over a range
  • The gain is independent of offset error.
  • All of the above
  • None of the above
Q.13

Robots can increase productivity because:

  • they do not take a vacation
  • they do not get tired
  • production quality is uniform
  • All of the above
  • None of the above
Q.14

The electronic component that has been the key to recent developments in automation is the:

  • improved vacuum tube
  • integrated circuit
  • diode
  • transistor
  • None of the above
Q.15

What is the process lag?

  • The time it takes for the sensor to respond to a changed.
  • The lag in the error signal when the setpoint is changed.
  • The time it takes for the mass of the process to respond to an input change.
  • All of the above
  • None of the above
Q.16

Which method uses the design analysis as a method for effecting the design?

  • The iterative design method
  • The direct method
  • The design selection method
  • All of the above
  • None of the above
Q.17

Today's engineers feel that the ultimate solution to the CAD/CAM problem will be

  • Animation
  • the microprocessor
  • turnkey systems
  • development of a more efficient display controller
  • None of the above
Q.18

Straight-line operations:

  • must be limited to two per workpiece
  • must be parallel to one of the axes of the coordinate system
  • can include diagonal cuts if they aren't curved
  • All of the above
  • None of the above
Q.19

Most industrial control applications:

  • can be solved using more than one method of control
  • can be done more reliably using solid-state methods
  • must have the process specified correctly to be successful
  • All of the above
  • None of the above
Q.20

The linking of PCs with a communi¬cations system is referred to as:

  • workstations
  • streaming
  • turnkey systems
  • networking
  • None of the above
Q.21

Sensors:

  • are easily developed
  • probably will not improve over the next decade
  • are not important in automation
  • will be much smarter and more sophisticated in the future
  • None of the above
Q.22

Which of these controller types is the most accurate?

  • Proportional plus integral
  • Proportional
  • Proportional plus derivative
  • Three mode
  • None of the above
Q.23

Flood guns bombard the phosphor surface of the tube in which one of the following types of CRT technology?

  • Direct view storage tube
  • Raster scan CRT
  • Refresh-vector CRT
  • Stroke CRT
  • None of the above
Q.24

Flexible manufacturing allows for:

  • factory management
  • automated design
  • tool design and tool production
  • quick and inexpensive product changes
  • None of the above
Q.25

A disadvantage of Numerical Control (NC) is:

  • the computer is not reliable
  • the tape and tape reader are not reliable
  • one operator is needed for each machine.
  • the machine tool can easily overheat
  • None of the above
Q.26

A flip-flop:

  • is a combinational logic device
  • is a sequential logic device
  • remembers what was previously stored in it
  • (a) and (c)
  • None of the above
Q.27

A technique for displaying applications where complex 3-D geometric are required for the exteror shall of a product is called:

  • solid modeling
  • 2-D modeling
  • 3-D modeling
  • surface modeling
  • None of the above
Q.28

The APT (automatically progra¬mmed tools) language is used with:

  • large automation systems
  • drafting systems
  • programmable controllers
  • numerical controlled machines.
  • None of the above
Q.29

The real "brain" of an artificial intelligence system is referred to as:

  • bubble memory
  • the expert system
  • recursive technology
  • natural language interfaces
  • None of the above
Q.30

Which CAD display configurability allows work without any host support?

  • Highly intelligent
  • Medium intelligence
  • Low intelligence
  • One with no secondary storage capacity.
  • None of the above
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