EEI TECH EEI Tech Trainer 2 — Questions and Answers
Question 1: On a graphic arithmetic chart, a line rises steeply between two points. What does this steep slope indicate?
- A rapid rate of change between those values (Correct answer)
- No change in the values
- A measurement error
- A constant value over time
Correct answer: A rapid rate of change between those values
A steeper slope on a graph represents a faster rate of change between the plotted points.
Question 2: Two gears mesh together. The driver gear has 20 teeth and the driven gear has 40 teeth. If the driver turns at 100 RPM, how fast does the driven gear turn?
- 200 RPM
- 100 RPM
- 50 RPM (Correct answer)
- 25 RPM
Correct answer: 50 RPM
A larger driven gear turns slower in proportion to the tooth ratio, so 100 × (20/40) = 50 RPM.
Question 3: In a series electrical circuit, what happens to the total resistance as more resistors are added?
- It increases (Correct answer)
- It decreases
- It stays the same
- It becomes zero
Correct answer: It increases
Resistances in series add together, so total resistance increases with each added resistor.
Question 4: A worker reads a procedure stating to 'de-energize and verify zero voltage before contact.' What is the primary purpose of this step?
- To save electricity
- To ensure worker safety from electrical shock (Correct answer)
- To speed up the job
- To test the meter
Correct answer: To ensure worker safety from electrical shock
Verifying zero voltage confirms the circuit is safe to touch, preventing electrical shock.
Question 5: If a pulley system uses two supporting rope segments to lift a load, how does the effort needed compare to lifting it directly?
- Twice as much effort
- About half the effort (Correct answer)
- The same effort
- Four times the effort
Correct answer: About half the effort
A two-segment pulley provides a mechanical advantage of about two, halving the required effort.
Question 6: A tank holds 240 gallons and drains at 8 gallons per minute. How long until it is empty?
- 20 minutes
- 30 minutes (Correct answer)
- 40 minutes
- 60 minutes
Correct answer: 30 minutes
240 gallons divided by 8 gallons per minute equals 30 minutes.
Question 7: When reading a table of values, the best practice for finding a specific entry is to:
- Guess based on nearby cells
- Match the correct row and column intersection (Correct answer)
- Read only the first column
- Average all the rows
Correct answer: Match the correct row and column intersection
The accurate value is found where the correct row and column intersect.
EEI TECH EEI Tech Trainer 2
On a graphic arithmetic chart, a line rises steeply between two points.
What does this steep slope indicate?