ENGINEERING QUESTIONS AND ANSWERS #13
What two types of systems are designed, built, and maintained by mechanical
engineers? - correct answer -mechanical systems
-fluid systems
The push or pull on an object resulting from contact with another object is _______. -
correct answer force
_______ is the application of force to move an object a distance. - correct answer work
The rate at which work is performed is _______. - correct answer power
Describe the difference between potential and kinetic energy. - correct answer -PE:
energy stored waiting to be used
-KE: energy in motion
Linear motion - correct answer movement in a straight line
Rotary motion - correct answer any motion that moves in a circle
Reciprocating motion - correct answer linear back and forth motion
Oscillating motion - correct answer rotary back and forth motion that uses a single pivot
point
A(n) _______ is a simple machine that uses a stiff bar rested on a fulcrum, or pivot, to
lift or move a load. - correct answer lever
A(n) _______ is a simple machine that gains a mechanical advantage by moving the
object a long distance while using less force. - correct answer inclined plane
True or False? Mechanical power systems use components such as gears, pulleys, and
belts to transmit power. - correct answer true
_______ systems use liquid to transmit power, while _______ systems use air. - correct
answer -hydraulic
-pneumatic
What are the two most common power sources in fluid power systems? - correct
answer -fluid pumps
-air compressors
_______ are devices that mesh with similar devices to transmit power. - correct answer
gears
What two types of systems are designed, built, and maintained by mechanical
engineers? - correct answer -mechanical systems
-fluid systems
The push or pull on an object resulting from contact with another object is _______. -
correct answer force
_______ is the application of force to move an object a distance. - correct answer work
The rate at which work is performed is _______. - correct answer power
Describe the difference between potential and kinetic energy. - correct answer -PE:
energy stored waiting to be used
-KE: energy in motion
Linear motion - correct answer movement in a straight line
Rotary motion - correct answer any motion that moves in a circle
Reciprocating motion - correct answer linear back and forth motion
Oscillating motion - correct answer rotary back and forth motion that uses a single pivot
point
A(n) _______ is a simple machine that uses a stiff bar rested on a fulcrum, or pivot, to
lift or move a load. - correct answer lever
A(n) _______ is a simple machine that gains a mechanical advantage by moving the
object a long distance while using less force. - correct answer inclined plane
True or False? Mechanical power systems use components such as gears, pulleys, and
belts to transmit power. - correct answer true
_______ systems use liquid to transmit power, while _______ systems use air. - correct
answer -hydraulic
-pneumatic
What are the two most common power sources in fluid power systems? - correct
answer -fluid pumps
-air compressors
_______ are devices that mesh with similar devices to transmit power. - correct answer
gears
