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MCQs

Total Questions : 474 | Page 12 of 48 pages
Question 111. Light sensors:
  1.    cannot be used a s limit switches.
  2.    come in a wide variety of mounting styles
  3.    work in direct sunlight
  4.    never use infrared light as light source
  5.    None of the above
 Discuss Question
Answer: Option B. -> come in a wide variety of mounting styles
Question 112. Most continuous control actuators:
  1.    are of the time proportioning type
  2.    use a 4 to 20 mA current loop input
  3.    are used with standard continuous control loop
  4.    (b) and (c) above
  5.    None of the above
 Discuss Question
Answer: Option D. -> (b) and (c) above
Question 113. Stepping motors:
  1.    can run at varying speeds
  2.    can be built to index different amounts by changing the pole configuration
  3.    can run both clockwise and counterclockwise
  4.    do not require commutators
  5.    All of the above
 Discuss Question
Answer: Option E. -> All of the above
Question 114. Group technology brings together and organizes:
  1.    automation and tool production
  2.    parts and simulation analysis
  3.    documentation and analysis
  4.    common parts, problems, and tasks
  5.    None of the above
 Discuss Question
Answer: Option D. -> common parts, problems, and tasks
Question 115. A venturi tube:
  1.    is extremely difficult to use
  2.    is made only of metal
  3.    measures the presence of a liquid
  4.    can be used to measure gas or liquid flow rates
  5.    None of the above
 Discuss Question
Answer: Option D. -> can be used to measure gas or liquid flow rates
Question 116. The APT (automatically progra-mmed tools) language is used with:
  1.    large automation systems
  2.    drafting systems
  3.    programmable controllers
  4.    numerical controlled machines.
  5.    None of the above
 Discuss Question
Answer: Option D. -> numerical controlled machines.
Question 117. The ideal solution is to have a system coordinator who will interface with the engineering and manufacturing managers, as well as the:
  1.    finance manager
  2.    president
  3.    marketing manager
  4.    MIS manager
  5.    None of the above
 Discuss Question
Answer: Option D. -> MIS manager
Question 118. Four basic elements are required for an automated machine tool or production process. They are: input interface, memory, output interface and:
  1.    logic
  2.    software
  3.    NC tape programming
  4.    computer graphics workstation
  5.    None of the above
 Discuss Question
Answer: Option A. -> logic
Question 119. A Hall effect switch is usually used to:
  1.    measure voltage
  2.    measure temperature
  3.    sense a vacuum
  4.    sense the presence of a magnetic object.
  5.    None of the above
 Discuss Question
Answer: Option D. -> sense the presence of a magnetic object.
Question 120. The Ziegler-Nichols method:
  1.    is a graphical solution method
  2.    can be used to determine gain factors of a PI loop
  3.    is a method of control
  4.    a and b above
  5.    None of the above
 Discuss Question
Answer: Option D. -> a and b above

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