ELLABORATED QUESTIONS AND ANSWERS 100%
GURANTEED 2024-2025
1. When solving an engineering equation, the units on the right side of the equation should
equal the units on the left side
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
Slug
Which of the following is not one of the 3 R's of data acquisition
Reliability
1. Which phrase best describes resolution
The smallest amount you can measure
1. Which phrase best describes clipping
When the sample range is too low
The number of a bits, n, should always be a whole number
True
Which type of sensor contains a small amount of a radioactive element?
Motion detector
Sensor always have to use electricity
False
What are the 2 types of RFID "chips"
Passive, Active
1. Conservation of energy means
Energy cannot be created or destroyed
Which will influence an objects linear motion
force
which will influence an objects rotational motion
, torque
A wheel and axel works like a rotating lever
true
a idler gear does what?
reverses gear rotation
Which type of pulley only redirects the applied force (effort)?
fixed
Another term for Archimedes' screw is ?
Screw pump
The component the connects to the cam is called the:
Follower
Crankshafts turn what type of motion into what type of motion?
Rotary into linear
Potter's wheels, gyroscopes, and ice skaters work off of what principal?
Rotational inertia
Rotational inertia is defined by an objects mass and
Distance to rotational axis
Springs are classified by how they store energy, the three common types are compression,
tension and
Torsion
Which friction force is usually greater, static or kinetic?
Static
There are different coefficients of frictions for different material pairs
True
What are 2 mechanical devices that reduce friction?
Bearings, Bushings
All lubricants are made from oil
false
Which friction force is usually greater, static or kinetic?