Maintenance chain drives - Study guides, Class notes & Summaries

Hoisting License (full) questions and solutions What is the purpose of the 520: C.M.R. 6:00? to establish rules and regulations for the safety of the public What type of equipment requires a hoisting license? equipment that has minimum capability of hoisting the load higher than 10' feet or equipment that has the capability of lifting loads greater than 500 pounds or equipment that has capacity of the becket exceeds 1/4 cubic yard What does A.S.M.E. stand for? American Society ...

MSSC Maintenance Chain Drives - Questions and Answers A belt drive having a 12 inch driver pulley and a 6 inch driven pulley has a pulley ratio of? 0.5 In the calculation of shaft speed and shaft torques of a belt drive system, which of the following applies? Shaft speeds are inversely proportional to pitch diameters The driven pulley in the belt drive system show is rotating at _____ rpm. 1200 One important characteristic of a timing belt is? It will not slip during operation The fractional h...

Roller chain - Most common chain Roller chians - Often used for timing or synchronizing part of machinery Roller chians - Are positive drive and have no slip but can have back lash. False - One disadvantage of a roller chain is that is not very efficient due to high friction Riveted and Cottered - Two types of roller chain constructions Riveted chain - Badder pins hold the side plates Cotter chain - Cotter keys Hold the side plates False - There is not set standards between Roller chain m...

The three basic components of a chain drive system are? Chain, driver sprocket, driven sprocket The sprocket ratio for a chain drive system having a driven sprocket with 54 teeth and a driver sprocket with 18 teeth is? 3 A chain drive system has a driver sprocket with 24 teeth and a driven sprocket with 72 teeth. If the driver shaft has 633 ft-lbs torque, the torque on the driven shaft will be? 1899 Chain wrenches, forklifts, and other hoisting devices commonly use this t...

Chain Drives and Lubrication Questions and Answers 100% Pass What type of chain is constructed from multiple strands and consists of widths made up of standard roller chains? Standard roller chain What could be causing wear on both the chain sides and the teeth of sprockets in a drive system? Misalignment of the shafts or sprockets not being in the same alignment If a chain code reads 50-4, what does the measurement 0.625 signify? The chain pitch in inches What component is ...

MSSC MAINTENANCE CHAIN DRIVES WITH 100% CORRECT ANSWERS

In what way are grid couplings different than chain coupling? - Grid couplings allow for more misalignment because they are torsionally more flexible Knowing that sprockets are used for chain drives and sheaves used are for V-belt drives, what do you attach to a bushing to complete a timing belt drive? - A pulley Before removing a machine guard to fix a machine, what step should a maintenance technician perform? - Lockout/Tagout the machine A bushing is a component that __________. - attac...

Portage Learning CHEM 210 exams 1-8 and final exam Question 1 3 / 3 pts True or False: According to the Module, a compound with a molecular mass of 1,000 g/mol is considered a macromolecule. True Correct! False Question 2 3 / 3 pts True or False: Biomolecules can have only two functional groups. True Correct! False Question 3 3 / 3 pts True or False: The following functional group is an alcohol. True Correct! False Question 4 3 / 3 pts True or False: In ...

all hoisting machinery shall be operated in accordance with the: - manufacturer's specification maintenance repair and refueling shall be done when the machine is: - inoperable and secure visual inspection shall be made ___________ of wire ropes, bearings, gears, friction clutches, brakes, chain drives and other parts subject to wear on all hoisting machinery to ensure against development of unsafe conditions - daily

1B Hoisting Prep Questions and Answers Already Passed all hoisting machinery shall be operated in accordance with the: manufacturer's specification maintenance repair and refueling shall be done when the machine is: inoperable and secure visual inspection shall be made ___________ of wire ropes, bearings, gears, friction clutches, brakes, chain drives and other parts subject to wear on all hoisting machinery to ensure against development of unsafe conditions daily factory of safe...

MSSC QUESTIONS AND VERIFIED SOLUTIONS Chain sag can be changed by __________ the sprockets. - ANSWER Moving A chain drive system has a driver sprocket with 72 teeth and a driven sprocket with 24 teeth. If the driver shaft has 1899 ft-lbs torque, the torque on the driven shaft will be __________. - ANSWER - 633 ft-lbs Chain drive torque is the same as the gear ratio, meaning that when torque increases the sprocket ratio __________. - ANSWER - Increases Misaligned chain drives can be v...