WorksheetsMechanical Power Transmission
Total questions: 17
Worksheet time: 9mins
Which type of power transmission system is most commonly used in bicycles?
Belts and pulleys
Chains and sprockets
Gears and gearboxes
Flywheels
Which of the following is not a type of mechanical power transmission system?
Belts and pulleys
Chains and sprockets
Gears and gearboxes
Hydraulic cylinders
Which type of gear system is the most efficient?
Bevel gears
Worm gears
Spur gears
Helical gears
What is the primary function of a gearbox?
To transfer power between shafts at different angles
To change the direction of rotation
To change the speed of rotation
All of the above
A mechanical power transmission system receives power from the __________.
Driven device
Driver
Prime mover
B and C
Which type of chain is used in high-speed applications?
Roller chain
Silent chain
Leaf chain
Hollow pin chain
The purpose for having a clutch connecting two shafts together is to __________.
Allow the two shafts to be disconnected while running
Multiply the torque of the drive shaft
Allow for easier assembly and disassembly of the drive system
Change the direction of rotation
What is the purpose of a coupler in a power transmission system?
To connect two shafts together
To change the direction of rotation
To change the speed of rotation
To dampen vibrations
Which type of belt is commonly used in high-power applications?
V-belt
Flat belt
Toothed belt
Round belt
Which of the following is not a common type of gear?
Spur gear
Helical gear
Bevel gear
Chain gear
Some rules for safe dress to wear around machinery when it is running are __________.
Wear safety glasses and gloves at all times
Wear tight fitting clothing and heavy duty shoes
Wear bright colored clothing
Wear light weight, loose fitting clothing
__________ may remove a lockout on the power source of a piece of mechanical equipment.
Only the instructor
Any two people
Only the person who installed the lockout
Any person familiar with the mechanical equipment
The device most often used to orient a surface so it is either parallel or perpendicular to the ground is a __________.
Measuring tape
Spirit level
Plum bob
Laser alignment device
A __________ bolt size should be selected to fit through a 1/2-inch hole in the foot of a motor mount.
1/2-inch
7/16-inch
9/16-inch
1/4-inch
The grade of a bolt can be determined by __________.
Measuring the bolt diameter
Measuring the bolt length and diameter
Counting its threads per inch
The marking on the head of the bolt
One revolution per second is equal to __________.
1 RPM
1000 RPM
60 RPM
6 RPM
To measure motor RPM, the rubber-tipped shaft on a handheld tachometer must be held against the __________.
End of the spinning motor shaft
Base or motor foot
Power cord while the motor is running
Motor shaft, but only when the motor is stopped
