MSSC MAINTENANCE SET ACTUAL QUESTIONS AND
ANSWERS SURE A+
✔✔__________ all machine components before coupling them together will reduce the
number of shims required for alignment.
- Leveling
- Lubricating
- Polishing the shafts of
- Bolting down - ✔✔Leveling
✔✔Which of the following is NOT a type of shaft-to-adjacent shaft power transmission?
- Belt drive
- Chain drive
- Clutch drive
- Gear drive - ✔✔Clutch drive
✔✔If gear X turns clockwise at a constant speed of 10 rpm, how does gear Y turn?
- Counterclockwise at 10 rpm
- Clockwise at 10 rpm
- Counterclockwise at 5 rpm
- Clockwise at 5 rpm - ✔✔Counterclockwise at 10 rpm
✔✔To calculate the speed of a gear, the speed ratio and the __________ will be
needed.
- Gear ratio
- Gear sizes
- Number of gear teeth
- Gear teeth ratio - ✔✔Gear ratio
✔✔Gears are pre-aligned at the factory; however, the shafts of the gear box must be
attached using a __________ device to other shafts.
- Coupling
, - Strapping
- Pairing
- Welding - ✔✔Coupling
✔✔Which of the following gear types is used in machine tools like lathes, drills, and
planer machines?
- Spur
- Double helical
- Bevel
- Rack and pinion - ✔✔Rack and pinion
✔✔What is the name of the clearance that allows lubricant to reach the gear teeth?
- Gap
- Backlash
- Offset alignment
- Improper alignment - ✔✔Backlash
✔✔A gear drive has a minimum of two gears called __________.
- Driver and driven
- Drive and idler
- Driven and idler
- Idler and driver - ✔✔Driver and driven
✔✔What is the gear ratio?
- Driven gear diameter divided by driver gear diameter
- Driven gear pitch diameter divided by driver gear pitch diameter
- Driven gear teeth size divided by driver gear teeth size
- Driven gear thickness divided by driver gear thickness - ✔✔Driven gear pitch diameter
divided by driver gear pitch diameter
✔✔The gear drive torque is __________ the gear ratio.
- Indirectly proportional to
- Inverse of
- Directly proportional to
- Reverse of - ✔✔Directly proportional to
✔✔The gear system shown is added to a motor rotating at 200 rpm. What is the speed
of the driven gear?
- 50 rpm
- 50 fps
- 200 rpm
- 800 rpm - ✔✔50 rpm
✔✔In a spur gearing system, the small gear is called the __________.
ANSWERS SURE A+
✔✔__________ all machine components before coupling them together will reduce the
number of shims required for alignment.
- Leveling
- Lubricating
- Polishing the shafts of
- Bolting down - ✔✔Leveling
✔✔Which of the following is NOT a type of shaft-to-adjacent shaft power transmission?
- Belt drive
- Chain drive
- Clutch drive
- Gear drive - ✔✔Clutch drive
✔✔If gear X turns clockwise at a constant speed of 10 rpm, how does gear Y turn?
- Counterclockwise at 10 rpm
- Clockwise at 10 rpm
- Counterclockwise at 5 rpm
- Clockwise at 5 rpm - ✔✔Counterclockwise at 10 rpm
✔✔To calculate the speed of a gear, the speed ratio and the __________ will be
needed.
- Gear ratio
- Gear sizes
- Number of gear teeth
- Gear teeth ratio - ✔✔Gear ratio
✔✔Gears are pre-aligned at the factory; however, the shafts of the gear box must be
attached using a __________ device to other shafts.
- Coupling
, - Strapping
- Pairing
- Welding - ✔✔Coupling
✔✔Which of the following gear types is used in machine tools like lathes, drills, and
planer machines?
- Spur
- Double helical
- Bevel
- Rack and pinion - ✔✔Rack and pinion
✔✔What is the name of the clearance that allows lubricant to reach the gear teeth?
- Gap
- Backlash
- Offset alignment
- Improper alignment - ✔✔Backlash
✔✔A gear drive has a minimum of two gears called __________.
- Driver and driven
- Drive and idler
- Driven and idler
- Idler and driver - ✔✔Driver and driven
✔✔What is the gear ratio?
- Driven gear diameter divided by driver gear diameter
- Driven gear pitch diameter divided by driver gear pitch diameter
- Driven gear teeth size divided by driver gear teeth size
- Driven gear thickness divided by driver gear thickness - ✔✔Driven gear pitch diameter
divided by driver gear pitch diameter
✔✔The gear drive torque is __________ the gear ratio.
- Indirectly proportional to
- Inverse of
- Directly proportional to
- Reverse of - ✔✔Directly proportional to
✔✔The gear system shown is added to a motor rotating at 200 rpm. What is the speed
of the driven gear?
- 50 rpm
- 50 fps
- 200 rpm
- 800 rpm - ✔✔50 rpm
✔✔In a spur gearing system, the small gear is called the __________.
