Block and tackle - Study guides, Class notes & Summaries

ASVAB PRACTICE TEST 1 QUESTIONS AND ANSWERS 100% SOLVED…GRADE A+ An induction clutch works by - magnetism If a first-class lever with a resistance arm measuring 2 feet and an effort arm measuring 8 feet are being used, what's the mechanical advantage? - Length of Effort Arm ÷ Length of Resistance Arm. MA = 8 ÷ 2 = 4 The force produced when a boxer's hand hits a heavy bag and "bounces" off it is called - recoil If Gear 1 has 25 teeth and Gear 2 has 15 teeth, how many revolutio...

Home Maintenance For Dummies 3rd Edition 2024 with complete solutions Table of Contents Cover Title Page Copyright Introduction About This Book Conventions Used in This Book What You’re Not to Read Foolish Assumptions How This Book Is Organized Icons Used in This Book Beyond the Book Where to Go from Here Part 1: Home Maintenance and You Chapter 1: Home Maintenance: What It Is and Why It Matters Keeping Up with Upkeep Benefiting from a Little TLC Ready-Set-Go! Chapter 2: ...

A belt and pulley system is characterized by - correct answer two or more pulleys in common to a belt. What does a belt and pulley system allow for? - correct answer mechanical power, torque, and speed to be transmitted across axles How is mechanical advantage realized? - correct answer if the pulleys are different diameters what is a pulley? - correct answer a wheel on an axle or shaft that is designed to support movement and change of direction of a cable or belt along its cir...

1. Of a block and tackle with five rope falls and minimum friction, how much force is needed to retain 250lbs? a. 50 lbs b. 100 lbs c. 250 lbs d. 75 lbs - Answer a. 50 lbs 250lbs/5 = 50 lbs 2. What diameter rope is needed to support two tons using a vertical lift? a. ½" b. ¾" c. 1" d. ¼" - Answer a. ½" 3. What is the standard safety factor to consider for a platform supporting people? a. 1 : 1 b. 5 : 1 c. 10 : 1 d. 15 : 1 - Answer c. 10 : 1 4. If a wire rope has a break...

Millwright - Rigging and Hoisting Exam Questions With Verified Answers 1. Of a block and tackle with five rope falls and minimum friction, how much force is needed to retain 250lbs? a. 50 lbs b. 100 lbs c. 250 lbs d. 75 lbs - answera. 50 lbs 250lbs/5 = 50 lbs 2. What diameter rope is needed to support two tons using a vertical lift? a. ½" b. ¾" c. 1" d. ¼" - answera. ½" 3. What is the standard safety factor to consider for a platform supporting people? a. 1 : 1 b. 5 : 1...

AQA GCSE PHYSICAL EDUCATION 8582/2 Paper 2 Socio-cultural influences and wellbeing in physical activity and sport Version: 1.0 Final *jun* IB/M/Jun23/E6 8582/2 For Examiner’s Use Question Mark 1 to 5 6 7 8 9 10 11 12 13 14 15 16 TOTAL Thursday 8 June 2023 Morning Time allowed: 1 hour 15 minutes Materials You will need no other materials. Instructions • Use black ink or black ball-point pen. Pencil should only be used for drawing. • Fill in the boxes at the top...

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Material Handling and Hand Rigging Questions and Answers | Latest Version | 2024/2025 | Already Passed 1. **What are tuggers commonly classified as in pneumatic equipment?** - A) jacks - B) trucks - C) tow-motors - D) winches! 2. **Which type of jack operates using the pressure of an enclosed liquid?** - A) screw - B) ratchet - C) hydraulic! - D) electric 3. **Which type of jack is specifically used for lifting loads under 25 tons?** - A) screw - B) ratchet - C) hydr...

ASVAB Practice Test 1 Questions And Answers Top Rated | 100% Solved An induction clutch works by - Answer magnetism If a first class lever with a resistance arm measuring 2 feet and an effort arm measuring 8 feet are being used, what's the mechanical advantage? - Answer Length of Effort Arm ÷ Length of Resistance Arm. MA = 8 ÷ 2 = 4 The force produced when a boxer's hand hits a heavy bag and "bounces" off it is called - Answer recoil If Gear 1 has 25 teeth and Gear 2 has 15 tee...