Free CAST Exam Questions That Helps Candidates Pass

Driven speed = Driver speed × (Driver teeth ÷ Driven teeth) = 600 × (15 ÷ 45) = 600 × ⅓ = 200 rpm. Option B is correct. CAST Mechanical Concepts often use gear ratio calculations.

1 yard = 36 in. 5.5 × 36 = 198 in. Option C is correct. CAST Mathematical Usage includes length conversions between yards, feet, and inches.

The passage stresses that ventilation prevents exposure-related health problems. Option A is correct. CAST Reading Comprehension evaluates safety practice comprehension.

Filling ballast tanks with air reduces the submarine’s density, allowing it to displace more water than its weight. This buoyancy effect is Archimedes’ Principle. Option B is correct. CAST Mechanical Concepts test fluid mechanics knowledge.

The passage shows that lifting with correct posture reduces back injuries. Option B is correct. CAST Reading Comprehension assesses recognition of safe work practices from short passages.