Ramsay Test Mechanical Reasoning 4

Question 1

A 200 lb crate must be slid up a frictionless inclined plane that is 10 ft long and 2 ft high. What force is required?

Accepted Answer

40 lb

Answer

Force on an inclined plane = weight × (height/length) = 200 × (2/10) = 40 lb.

Question 2

A wrench applies 30 lb of force at 1.5 ft from a bolt's center. What is the torque applied to the bolt?

Accepted Answer

45 ft-lb

Answer

Torque = Force × Distance = 30 lb × 1.5 ft = 45 ft-lb.

Question 3

A steel rod is 100 inches long at 70°F. If heated to 170°F, it expands. Which statement is correct?

Accepted Answer

It becomes slightly longer

Answer

Metals expand when heated; a 100°F increase causes measurable elongation based on the material's coefficient of thermal expansion.

Question 4

A drive belt connects two pulleys. The driver pulley is 4 inches in diameter and spins at 600 RPM. The driven pulley is 8 inches in diameter. What is the driven pulley's speed?

Accepted Answer

300 RPM

Answer

Belt drive speed ratio: output RPM = input RPM × (driver diameter / driven diameter) = 600 × (4/8) = 300 RPM.

Question 5

Two workers each push a box. Worker A pushes with 80 lb for 10 feet. Worker B pushes with 40 lb for 20 feet. Who does more work?

Accepted Answer

They do equal amounts of work

Answer

Work = Force × Distance; Worker A: 80×10 = 800 ft-lb; Worker B: 40×20 = 800 ft-lb — identical.

Ramsay Test Practice Test

Ramsay Test Practice Test

Ramsay Test Mechanical Reasoning 4