Plant Operator Selection System Test Plant Operator Selection System Spatial Visualization

Question 1

A pipe enters a pump house from the north wall and must exit through the east wall. If the pipe makes exactly two 90-degree elbow turns, which combination of turns is possible?

Accepted Answer

One left turn and one right turn

Answer

Two left turns

Answer

Two right turns

Answer

One U-turn and one straight section

Question 2

A valve handle is currently pointing straight up (12 o'clock position). If it is rotated 90 degrees clockwise, where does the handle point?

Accepted Answer

3 o'clock position

Answer

9 o'clock position

Answer

6 o'clock position

Answer

12 o'clock position

Question 3

A rectangular tank measures 10 feet long, 6 feet wide, and 4 feet tall. If you view it from directly above, what shape do you see?

Accepted Answer

A rectangle 10 feet by 6 feet

Answer

A square

Answer

A rectangle 10 feet by 4 feet

Answer

A rectangle 6 feet by 4 feet

Question 4

A gauge is mounted on the north side of a vessel and reads 45 psi. An operator standing on the south side of the vessel needs to read the same gauge. In which direction must the operator face?

Accepted Answer

North

Answer

South

Answer

East

Answer

West

Question 5

A pipe runs horizontally through a wall from left to right. When viewed from the left side, the pipe appears as a circle. When viewed from above, what shape does the pipe appear as?

Accepted Answer

A rectangle

Answer

A circle

Answer

A triangle

Answer

A square

Question 6

On a plant floor plan, a pump is located at grid coordinates (3, 4). A valve is located at grid coordinates (3, 8). In which direction must you travel to go directly from the pump to the valve?

Accepted Answer

North

Answer

East

Answer

West

Answer

South

Question 7

A wheel with a diameter of 2 feet has a mark painted at the very top. After the wheel rolls forward one full revolution, where is the painted mark?

Accepted Answer

At the top of the wheel again

Answer

At the bottom of the wheel

Answer

On the left side of the wheel

Answer

On the right side of the wheel