Texas Civil Service Mechanical and Spatial Aptitude Questions and Answers

Question 1

If Gear 1 turns clockwise as indicated by the arrow, which direction will Gear 4 turn?

Accepted Answer

Clockwise

Answer

It will not turn

Answer

Counter-clockwise

Answer

It will alternate directions

Question 2

Imagine the flat pattern shown is folded into a cube. Which of the answer choices represents the final assembled cube?

Accepted Answer

A cube showing the Plus, Star, and Triangle faces meeting at one corner.

Answer

A cube showing the Triangle, Circle, and Square faces meeting at one corner.

Answer

A cube where the Star face is opposite the Square face.

Answer

A cube where the Circle face is adjacent to the Plus face.

Question 3

To lift the 100 lb weight, which of the four pulley systems shown requires the LEAST amount of pulling force from the user?

Accepted Answer

System C

Answer

System B

Answer

System D

Answer

System A

Question 4

A lever is positioned with a fulcrum as shown. To lift the heavy box with the least amount of effort, where should the downward force be applied?

Accepted Answer

Position 4

Answer

Position 2

Answer

Position 1

Answer

Position 3

Question 5

Three water tanks of different shapes are connected at the bottom by a pipe. If water is poured into Tank A until it is full, what will be the resulting water level in all three tanks once the water settles?

Accepted Answer

The water level will be the same in all three tanks.

Answer

The water level will be highest in Tank A.

Answer

The water level will be highest in Tank C because it is the narrowest.

Answer

The water will remain only in Tank A.

Question 6

A mechanic needs to loosen a bolt located deep within a narrow, recessed channel in an engine block, where there is very little room to swing a handle. Which of the following tools is BEST suited for this specific task?

Accepted Answer

A deep-well socket with a ratchet

Answer

An open-end wrench

Answer

An adjustable wrench

Answer

A pair of locking pliers