MECHANICAL ENGINEERING FINAL
QUESTIONS AND VERIFIED
ANSWERS|100% CORRECT|GRADE+
1. When solving an engineering equation, the units on the right side of the equation should equal the
units on the left side - ANSWER True
Which unit is equal to the mass that will require an acceleration of 1 ft/s when subjected to a force of 1
pound. It is therefore equal to 1 lbf s2 ft-1, 32.1740 pound-mass - ANSWER Slug
Which of the following is not one of the 3 R's of data acquisition - ANSWER Reliability
1. Which phrase best describes resolution - ANSWER The smallest amount you can measure
1. Which phrase best describes clipping - ANSWER When the sample range is too low
The number of a bits, n, should always be a whole number - ANSWER True
Which type of sensor contains a small amount of a radioactive element? - ANSWER Motion detector
Sensor always have to use electricity - ANSWER False
What are the 2 types of RFID "chips" - ANSWER Passive, Active
1. Conservation of energy means - ANSWER Energy cannot be created or destroyed
Which will influence an objects linear motion - ANSWER force
which will influence an objects rotational motion - ANSWER torque
, A wheel and axel works like a rotating lever - ANSWER true
a idler gear does what? - ANSWER reverses gear rotation
Which type of pulley only redirects the applied force (effort)? - ANSWER fixed
Another term for Archimedes' screw is ? - ANSWER Screw pump
The component the connects to the cam is called the: - ANSWER Follower
Crankshafts turn what type of motion into what type of motion? - ANSWER Rotary into linear
Potter's wheels, gyroscopes, and ice skaters work off of what principal? - ANSWER Rotational inertia
Rotational inertia is defined by an objects mass and - ANSWER Distance to rotational axis
Springs are classified by how they store energy, the three common types are compression, tension and -
ANSWER Torsion
Which friction force is usually greater, static or kinetic? - ANSWER Static
There are different coefficients of frictions for different material pairs - ANSWER True
What are 2 mechanical devices that reduce friction? - ANSWER Bearings, Bushings
All lubricants are made from oil - ANSWER false
Which friction force is usually greater, static or kinetic? - ANSWER Static
QUESTIONS AND VERIFIED
ANSWERS|100% CORRECT|GRADE+
1. When solving an engineering equation, the units on the right side of the equation should equal the
units on the left side - ANSWER True
Which unit is equal to the mass that will require an acceleration of 1 ft/s when subjected to a force of 1
pound. It is therefore equal to 1 lbf s2 ft-1, 32.1740 pound-mass - ANSWER Slug
Which of the following is not one of the 3 R's of data acquisition - ANSWER Reliability
1. Which phrase best describes resolution - ANSWER The smallest amount you can measure
1. Which phrase best describes clipping - ANSWER When the sample range is too low
The number of a bits, n, should always be a whole number - ANSWER True
Which type of sensor contains a small amount of a radioactive element? - ANSWER Motion detector
Sensor always have to use electricity - ANSWER False
What are the 2 types of RFID "chips" - ANSWER Passive, Active
1. Conservation of energy means - ANSWER Energy cannot be created or destroyed
Which will influence an objects linear motion - ANSWER force
which will influence an objects rotational motion - ANSWER torque
, A wheel and axel works like a rotating lever - ANSWER true
a idler gear does what? - ANSWER reverses gear rotation
Which type of pulley only redirects the applied force (effort)? - ANSWER fixed
Another term for Archimedes' screw is ? - ANSWER Screw pump
The component the connects to the cam is called the: - ANSWER Follower
Crankshafts turn what type of motion into what type of motion? - ANSWER Rotary into linear
Potter's wheels, gyroscopes, and ice skaters work off of what principal? - ANSWER Rotational inertia
Rotational inertia is defined by an objects mass and - ANSWER Distance to rotational axis
Springs are classified by how they store energy, the three common types are compression, tension and -
ANSWER Torsion
Which friction force is usually greater, static or kinetic? - ANSWER Static
There are different coefficients of frictions for different material pairs - ANSWER True
What are 2 mechanical devices that reduce friction? - ANSWER Bearings, Bushings
All lubricants are made from oil - ANSWER false
Which friction force is usually greater, static or kinetic? - ANSWER Static
