MTEL Technology and Engineering - Question List

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6.
Which of the following is an example of reverse engineering?
  1. Disassembling a device to determine its internal mechanisms.
  2. Redesigning a product to reduce the number of parts or assemblies.
  3. Finding a new use for an existing tool or machine.
  4. Replacing energy-intensive processes with more fuel-efficient processes.
7.
A rheostat has a maximum resistance of 3.5 × 103 Ω. A second rheostat also has a maximum resistance of 3.5 × 103 Ω. What is the sum of the two maximum resistances?
  1. 3,500 Ω
  2. 7,000 Ω
  3. 3,500,000 Ω
  4. 7,000,000 Ω
8.
In manufacturing and engineering, tolerance refers to:
  1. The average error in a series of measurements.
  2. The clearance between two workpieces.
  3. The actual measured dimension of a workpiece.
  4. A permissible deviation from a specification.
9.
A circular garden has a radius of 12 feet. If the garden is enlarged so that its new radius is 24 feet, by what factor will the garden's area increase?
  1. 2
  2. 4
  3. 8
  4. 12
10.
A manufacturing company is producing dowels that have a diameter of 8.5 mm ± 0.1 mm. The hole the diameter must fit into has a diameter of 9.0 mm ± 0.1 mm. According to these specifications, what is the greatest clearance that can occur between the two parts?
  1. 0.1 mm
  2. 0.2 mm
  3. 0.5 mm
  4. 0.7 mm

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