Pulleys - Study guides, Revision notes & Summaries

PLTW Principles of Engineering Actual Mechanical Advantage (AMA) - answerratio of the magnitude of the resistance and effort forces applied to a system Effort Force - answerAn external force applied to an object Efficiency - answerThe ratio of useful energy output to the total energy input, or the percentage of the work input that is converted to work output Friction - answerThe resistance that one surface or object encounters when moving over another Fulcrum - answerfixed point around w...

Woodshop Exam Review; Questions and Answers 100% Solved Back Saw Correct answer A saw with very fine teeth and is often used in a miter box for cutting angles. The thin blade is reinforced with a ridge of thicker metal along the back of the saw. It cannot cut deeper than the ridge. Band Saw Correct answer A machine tool with endless blade that travels around two pulleys and is used to cut thin or thick stock of wood in curve or straight form. Beading Bit Correct answer Belt Sander C...

Smooth-Trac overhead traction bar can hold how much weight? - Single frame 250 Without double clamp bar 200 The following adverse outcome of animal bites to a finger may occur if untreated ? - Rabies Joint Sepsis Osteomyelitis Lymphedema How ma You are requested to prepare a patient for trigger finger injection. What materials are needed? - Skin prep solution Syringe Local anesthetic without epinephrine ny lbs can you use for skin traction? - 5-7 lbs Skeletal traction allows the use o...

Basic Rigging - Trade Terms with Verified Solutions What is the purpose of a tagline in rigging operations? A tagline helps control the movement and position of a load during lifting, enhancing safety and precision. Explain the role of a snatch block in a rigging setup. A snatch block changes the direction of a pull and can effectively double the lifting capacity of a rigging system. How can the center of gravity affect load stability during rigging? The center of gravity determ...

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...

A)Post A The weight is distributed more on the side of post A, Therefore, it is holding up the greatest part of the load. CORRECT ANSWER Which post holds up the greater part of the load? A- Post A B- Post B C- Both equal D- Not clear C)Neither of the other gears Because of the way the gears are meshed, both gear 1 and gear 3 will move in the opposite direction of gear 2. CORRECT ANSWER Which of the other gears is moving in the same direction as gear 2? A) Gear 1 B) Gear 3 C) Nei...

The purpose of any traction setup is one or more of the following: CORRECT ANSWER 1) prevent or reduce muscle spasms 2) immoblize a joint or part of the body 3) reduce a fracture or dislocation 4) treat joint pathology How many lbs can you use for skin traction? CORRECT ANSWER 5-7 lbs Skeletal traction allows the use of how many lbs? CORRECT ANSWER 20-30 lbs What is the difference between Steinmann pins and Kirschner wires? CORRECT ANSWER Diameter Can skin traction be applied over...

HVAC S.T.A.R QUESTIONS AND ANSWERS ALREADY PASSED The evaporator in a refrigeration system: Is the component where refrigerant boils and absorbs heat. The purpose of the compressor is to change ___________. Low-pressure, low-temperature vapor to a high-pressure, high temperature vapor A common refrigerant leak detection device is the: Halide torch. Copper-plating of compressor parts is: Caused by contaminants in the system. If not properly installed, a hot-gas muffler might tra...

A child has a right femur fracture caused by a motor vehicle crash and is placed in skin traction temporarily until surgery can be performed. During assessment, the nurse notes that the dorsalis pedis pulse is absent on the right foot. Which action should the nurse take? 1. Administer an analgesic. 2. Release the skin traction. 3. Apply ice to the extremity. 4. Notify the health care provider (HCP). - 4-Notify the health care provider (HCP). A child is placed in skeletal traction for treat...

Breaks convert the energy of a moving vehicle into ________________________ that is developed by friction between fixed and moving brake parts. - Heat Hydraulic brake systems are filled with _____________________________ that cannot be compressed. - Brake fluid Compressed air mass travel from one component to another In the system so there are split second ______________________________ in break reactions. - Delays Drivers must avoid being ___________________________ Of any exhausting comp...