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Saca Mechanical 2 Questions with 100% Correct
Answers
What technique should be used when lifting heavy power
transmission components? - ANSWER 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? -
ANSWER A rigid coupling
Before removing a machine guard to fix a machine, what step
should a maintenance technician perform? - ANSWER
Lockout/Tagout the machine
What tool is used to shorten a roller chain? - ANSWER Chain
breaker
Which of the following is not one of the steps required to install
an HTD belt? - ANSWER Make sure sprocket centers are at the
same distance above the mounting plate
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Which of these conditions does NOT indicate that a V-belt drive
sheave needs to be replaced? - ANSWER Top surface of the belt
is worn
Which of the following is the primary function of a lubricant? -
ANSWER To improve mechanical efficiency
Thermal expansion causes the __________ of a rotating
component to change, which affects alignment with other
shafts. - ANSWER shaft height
In what way are grid couplings different than chain coupling? -
ANSWER 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? - ANSWER Vertical
angular
What component transmits power from a shaft to a timing belt?
- ANSWER pulley
Saca Mechanical 2 Questions with 100% Correct
Answers
What technique should be used when lifting heavy power
transmission components? - ANSWER 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? -
ANSWER A rigid coupling
Before removing a machine guard to fix a machine, what step
should a maintenance technician perform? - ANSWER
Lockout/Tagout the machine
What tool is used to shorten a roller chain? - ANSWER Chain
breaker
Which of the following is not one of the steps required to install
an HTD belt? - ANSWER Make sure sprocket centers are at the
same distance above the mounting plate
, 2|Page
Which of these conditions does NOT indicate that a V-belt drive
sheave needs to be replaced? - ANSWER Top surface of the belt
is worn
Which of the following is the primary function of a lubricant? -
ANSWER To improve mechanical efficiency
Thermal expansion causes the __________ of a rotating
component to change, which affects alignment with other
shafts. - ANSWER shaft height
In what way are grid couplings different than chain coupling? -
ANSWER 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? - ANSWER Vertical
angular
What component transmits power from a shaft to a timing belt?
- ANSWER pulley
