Question 1
Four gears are meshed together in a simple train, each one driving the next. If the first gear turns clockwise, the fourth gear turns:
Show answer & explanation
Correct answer: D - Counterclockwise
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These 10 free EMPEA questions are organized by exam domain, so you can see how each part of the ExxonMobil Pre-Employment Assessment blueprint is tested. Reveal the answer and explanation under each question.
Four gears are meshed together in a simple train, each one driving the next. If the first gear turns clockwise, the fourth gear turns:
Correct answer: D - Counterclockwise
Two open tanks stand side by side. Tank A is narrow and holds 500 gallons. Tank B is wide and holds 2,000 gallons. Both are filled with water to a height of 10 feet. Compared with Tank A, the pressure at the bottom of Tank B is:
Correct answer: D - The same
A third gear is added between a driver gear and a driven gear that were previously meshed directly together. What is the effect on the pair?
Correct answer: A - The direction reverses; the speed ratio is unchanged
COMMAND CARD - Slot 1: shape of the leftmost signal (Triangle = T, Circle = C, Square = S). Slot 2: number of shaded signals. Slot 3: switch position (Up = U, Down = D). DISPLAY, left to right: Square, Triangle (shaded), Circle (shaded), Square. The switch is up. Which command is correct?
Correct answer: B - S-2-U
The required command is C-S-T-C-S. Which of the following displayed strings contains EXACTLY ONE error?
Correct answer: B - C-S-C-C-S
A tank level reading rises from 240 gallons to 300 gallons over one shift. What is the percentage increase?
Correct answer: B - 25%
A production chart plots monthly output. The vertical axis is labelled 'Barrels (thousands)' and each gridline represents 2 units on that axis. The March bar reaches the third gridline and the April bar reaches the fifth. How many more barrels were produced in April than in March?
Correct answer: C - 4,000 barrels
A contractor's rate schedule charges $45 per hour for the first 8 hours of a job and $65 per hour for each hour beyond 8. What is the total labour charge for a 13-hour job?
Correct answer: C - $685
A chart shows weekly output for one unit: Week 1 = 400 units, Week 2 = 550 units, Week 3 = 900 units, Week 4 = 1,000 units. In which week was the increase over the previous week the greatest?
Correct answer: C - Week 3
A technician notices that a machine guard has been removed so that a job already running behind schedule can be finished faster. The most appropriate action is to:
Correct answer: A - Stop the job and have the guard refitted before any further work
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