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

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?

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?