WorksheetsMechanical Systems
Total questions: 10
Worksheet time: 5mins
What type of gear would be most appropriate for transmitting motion between perpendicular shafts?
Spur gear
Helical gear
Bevel gear
Worm gear
What is the mechanical advantage of a pulley system with 4 supporting pulleys?
2
4
8
16
Which type of bearing is best suited for applications with heavy radial loads?
Thrust bearing
Ball bearing
Roller bearing
Needle bearing
What does the term "backlash" refer to in gear systems?
A) The maximum torque a gear can transmit
B) The clearance between mating gear teeth
C) The friction between gears
D) The material fatigue in gear teeth
What type of mechanical joint allows rotation in only one axis?
A) Ball joint
B) Hinge joint
C) Universal joint
D) Fixed joint
Which fastener type is most resistant to vibration loosening?
Hex bolt with washer
Machine screw
Lock nut
Set screw
In technical drawings, what does GD&T stand for?
General Design & Technology
Geometric Dimensioning & Tolerancing
Graphical Detail & Tracking
Global Design & Technical
What is the purpose of a key in a shaft-hub connection?
To prevent axial movement
To transmit torque
To reduce vibration
To increase shaft strength
What type of mechanical drive would be most appropriate for transmitting power between parallel shafts over a long distance?
Gear drive
Chain drive
Belt drive
Direct coupling
What is the primary purpose of lubrication in mechanical systems?
To increase power output
To reduce friction and wear
To prevent electrical discharge
To enhance appearance
