Ramsay Test Mechanical Reasoning 3

Question 1

Gear A has 20 teeth and drives Gear B which has 40 teeth. If Gear A rotates at 100 RPM, how fast does Gear B rotate?

Accepted Answer

50 RPM

Answer

200 RPM

Answer

100 RPM

Answer

40 RPM

Question 2

A movable pulley system uses 3 pulleys to lift a 300 lb load. Ignoring friction, how much force must you pull with?

Accepted Answer

100 lb

Answer

300 lb

Answer

150 lb

Answer

75 lb

Question 3

Two springs are connected in series. Spring 1 has a constant of 20 lb/in and Spring 2 has a constant of 20 lb/in. What is the combined spring constant?

Accepted Answer

10 lb/in

Answer

40 lb/in

Answer

20 lb/in

Answer

5 lb/in

Question 4

In a hydraulic press, the input piston has an area of 2 sq in and the output piston has an area of 20 sq in. A 50 lb force on the input produces how much output force?

Accepted Answer

500 lb

Answer

50 lb

Answer

100 lb

Answer

250 lb

Question 5

Water flows through a pipe that narrows from a 4-inch diameter to a 2-inch diameter. What happens to the water's velocity in the narrow section?

Accepted Answer

It quadruples

Answer

It stays the same

Answer

It decreases by half

Answer

It doubles

Question 6

A second-class lever has the load between the fulcrum and the effort. Which tool is an example of a second-class lever?

Accepted Answer

Wheelbarrow

Answer

Scissors

Answer

Tweezers

Answer

Shovel

Question 7

A compressed spring releases 50 ft-lb of energy to push a 10 lb block. Ignoring friction, how high can the block rise?

Accepted Answer

5 ft

Answer

0.5 ft

Answer

2 ft

Answer

500 ft