SACA Mech Drives 301 Exam Practice Questions and Answers

SACA Mech Drives 301 Exam Practice Questions and Answers What technique should be used when lifting heavy power transmission components? - Answer️️ -Keep back straight, bending knees, while lifting with legs Which of the following is the coupling that would be used to combine two short shafts to replace a long straight shaft? - Answer️️ -A rigid coupling Before removing a machine guard to fix a machine, what step should a maintenance technician perform? - Answer️️ -Lockout/Tagout the machine Which of the following is not one of the steps required to install an HTD belt? - Answer️️ -Make sure sprocket centers are at the same distance above the mounting plate Which of these conditions does NOT indicate that a V-belt drive sheave needs to be replaced? - Answer️️ -Top surface of the belt is worn Which of the following is the primary function of a lubricant? - Answer️️ -To improve mechanical efficiency Thermal expansion causes the __________ of a rotating component to change, which affects alignment with other shafts. - Answer️️ -shaft height ©SOPHIABENNETT@ Monday, August 26, 2024 6:09 AM 2 In what way are grid couplings different than chain coupling? - Answer️️ -Grid couplings allow for more misalignment because they are torsionally more flexible Which type of shaft misalignment is corrected first when performing a shaft alignment procedure? - Answer️️ -Vertical angular What component transmits power from a shaft to a timing belt? - Answer️️ -pulley Which of the following is an installation procedure that will shorten the life of a timing belt? - Answer️️ -Force the belt onto the pulleys What method is used to find the nominal length of a conventional, or classic v belt? - Answer️️ -Measure the inside length of the belt A v belt match code is used to: - Answer️️ -Identify belts to be used in a multi belt system Which of the following is indicated if high temperature is detected in a pillow block bearing on a v belt drive? - Answer️️ -belt is too tight When lubricating an unsealed pillow block bearing, the user attaches the coupler into the grease fitting and slowly pumps the handle of the grease gun __________. - Answer️️ -until old grease begins to flow out of the bearing ©SOPHIABENNETT@ Monday, August 26, 2024 6:09 AM 3 What problem can cause the chain to ride high on the teeth of a sprocket in a chain drive? - Answer️️ -Too little tension What type of lubrication is commonly used with a metal roller chain coupling? - Answer️️ -grease Which of the following is the next step after performing alignment when installing a chain coupling? - Answer️️ -set the assembled width of the two sprockets The purpose of the kiss idler in a belt drive is to __________. - Answer️️ - reduce vibration or belt whipping A probable cause for chain wear and breakage in a chain type coupling is __________. - Answer️️ -coupling misalignment The wedge V-belt __________. - Answer️️ -will carry the same load with 40% smaller cross section than a conventional V-belt Chain pitch is important because it specifies both chain size and __________. - Answer️️ -length Which of the following is an advantage of a QD bushing? - Answer️️