AON Mechanical and Spatial Reasoning

Question 1

Two gears are connected. Gear A has 40 teeth and Gear B has 20 teeth. If Gear A rotates at 30 RPM, how fast does Gear B rotate?

Accepted Answer

60 RPM

Answer

15 RPM

Answer

30 RPM

Answer

120 RPM

Question 2

A lever has its fulcrum at the center. A 60 kg weight is placed 2 meters left of the fulcrum. How much force is needed 3 meters to the right to balance it?

Accepted Answer

40 kg

Answer

30 kg

Answer

45 kg

Answer

50 kg

Question 3

Water flows through a pipe at 10 liters per minute. If the pipe splits into two equal branches, how much flows through each branch?

Accepted Answer

5 liters per minute

Answer

8 liters per minute

Answer

10 liters per minute

Answer

20 liters per minute

Question 4

A block and tackle system uses 4 rope segments supporting a load. If the load weighs 200 lbs, approximately how much effort force is needed (ignoring friction)?

Accepted Answer

50 lbs

Answer

25 lbs

Answer

100 lbs

Answer

200 lbs

Question 5

If you look at a clock showing 3:00, and then see its mirror image, what time does the mirror image show?

Accepted Answer

9:00

Answer

6:00

Answer

12:00

Answer

3:00

Question 6

A bolt is tightened by turning it clockwise. To loosen the bolt, which direction do you turn it?

Accepted Answer

Counterclockwise

Answer

Clockwise

Answer

Alternating

Answer

Direction does not matter