Machine Dynamics MCQs
Machine Dynamics MCQs
The following Machine Dynamics MCQs have been compiled by our experts through research, in order to test your knowledge of the subject of Machine Dynamics. We encourage you to answer these multiple-choice questions to assess your proficiency.
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1: What is the definition of instantaneous velocity?
A. Limit of this ratio
B. Speed of light in a vacuum
C. Linear speed over a distance
D. Speed over a short period of time
E. Average speed over a certain period of time
2: For what is the instantaneous velocity of a moving object defined?
A. The instantaneous speed of the object
B. The average velocity of the object over a given time interval
C. The limit of this ratio for an infinitesimally small time interval
D. The maximum possible speed
E. The speed of light
3: What type of quantity is omega?
A. Real
B. Rational
C. Complex
D. Vector
4: The angular velocity of a rotating body is now defined as a what?
A. Scalar quantity
B. Angular momentum
C. Vector quantity
D. Speed
5: Magnitude of the angular velocity is defined as the time rate of change of the angular orientation of what?
A. Sphere
B. Cylinder
C. Point
D. Circle
E. Line
6: What is the definition of the magnitude of the angular velocity?
A. The time rate of change of the angular orientation of any line
B. The number of revolutions per minute
C. The magnitude of the torque about the origin
D. The magnitude of the vector that represents the orientation of a point in space
E. The magnitude of the vector that represents the displacement of a point in space
7: The second terms of the previous equations become what if the Scotch yoke is used?
A. One
B. Two
C. Zero
8: What has the effect of a connecting rod of infinite length?
A. Explosive force
B. Torque
C. Decreasing the power output
D. Achieving perfect balance
E. Scotch yoke
9: What does the Scotch yoke do to the rod?
A. Causes the rod to spin
B. Has the effect of a connecting rod of infinite length
C. Reduces the force exerted on the rod by the pistons
D. Adds an extra link to the rod to help distribute the load
E. Decreases the tension on the rod
10: What is the time rate of change of velocity of an object when it is traveling at the speed of light?
A. Decreasing
B. Negative
C. Negative and
D. Instantaneous
E. Constant
11: What is the name of the rate of change of velocity?
A. Acceleration due to gravity
B. Instantaneous acceleration
C. Velocity
D. Velocity change due to a force
12: What is the time rate of change of the angular velocity called?
A. Angular momentum
B. Angular velocity
C. Angular frequency
D. Angular acceleration
13: What is the time rate of change of an object's angular velocity?
A. Acceleration
B. Deceleration
C. Zero
D. No change
14: What rate of change do angular acceleration and angular velocity have in relation to each other?
A. Velocity
B. Angular acceleration
C. Time
15: What is the time derivative of acceleration?
A. Constant
B. Rate of change
C. Jerk
D. Slope
16: What does the term jerk stand for in physics?
A. Energy
B. Frequency of a vibration
C. Energy in an oscillating system
D. Time derivative of acceleration
E. Angular momentum
17: In what medium is a machine element used to drive another element, called a follower?
A. Cam
B. Gears
C. Belt
D. Pulley
E. Brakes
18: What is a machine element used to drive another element called?
A. A follower
B. A belt
C. A motor
D. A gearbox
19: What is the most common type of follower?
A. Complimentary
B. Sympathetic
C. Reciprocating
D. Complaining
E. Autonomous
20: What provides the constraint in a constant-breadth cam?
A. A bushing
B. Two contact points
C. A spring
D. A pivoting arm
21: What type of constraint do the two contact points provide?
A. Constant-width
B. Constant-breadth
C. Fixed-distance
D. Variable-breadth
22: What is the abscissa usually drawn to?
A. The center of the Earth
B. Any convenient scale
C. The origin of the coordinate system
D. The zero point on the x-axis
E. The sun
23: To what scale is the abscissa of a displacement diagram drawn?
A. In terms of length
B. Any convenient
C. Linear
D. Logarithmic
E. In terms of time
24: What is the unit of measurement for abscissa?
A. One degree of latitude
B. One kilometer
C. One cycle of the input motion theta
D. Inch
E. Meter
25: What is the nomenclature for the follower that is being rotated?
A. The armature
B. The cam surface
C. The drive shaft
D. The follower
26: What is the surface developed by holding the cam stationary?
A. The rollers
B. The cam follower
C. The cam gear
D. The cam surface
E. The drive belt
27: Where is the point of the follower?
A. Nose
B. Trace Point
C. Tail
28: What is the point of a Trace Point?
A. Theoretical point of the follower
B. Point of attachment for the leader
C. Point of contact between the follower and the leader
D. Location of a break in a stream
E. Point at which data is transferred
29: What is the name of the curve that shows how a pitch moves across an octave?
A. Theta Curve
B. Pitch Curve Locus
C. Pitch Class Circle
D. Harmonic Series
E. Harmonic curve
30: Where does the pitch curve Locus get it's name from?
A. The trace point
B. Location
C. Pitch
D. The point of inflection
E. The location
31: Where does the cam axis rotate?
A. At the cam follower
B. In the camshaft
C. On the cam barrel
D. On the cam hub
E. At the cam rotation axis
32: Which axis is the smallest circle centered on?
A. Y-axis
B. Cam rotation axis
C. X-axis
33: What is plotted with the input motion of a cam as the abscissa and the follower output motion as the ordinate?
A. Force diagram
B. Coordinates of the center of pressure
C. Displacement diagram
D. Velocity diagram
E. Coordinates of the output motion
34: What is plotted as the ordinate regardless of the type of cam or the type of follower?
A. The follower output motion y
B. The type of graph paper
C. The type of cam
D. The cam output motion x
E. The distance between the cam and follower
35: What are additional graphs that can be plotted representing the derivative of y with respect to the input position theta?
A. Kinematic coefficients
B. Partial derivatives
C. Energy
D. Kinetic energy
E. Jacobian
36: What does the first-order kinematic coefficient represent?
A. The displacement at a certain point
B. The slope of the displacement diagram
C. The speed of sound
D. The time required for a certain displacement to occur
E. The velocity of an object
37: What is a measure of the "steepness" of the displacement diagram?
A. Third-order kinematic coefficient
B. Second-order kinematic coefficient
C. First-order kinematic coefficient
38: What is the second order coefficient related to?
A. The curvature of the cam
B. The pitch of the cam
C. The angle at which the cam is rotated
D. The radius of the cam
39: What is a second-order coefficient?
A. Acoustic
B. Elasticity
C. Inertial
D. Thermal
E. Kinematic
40: What is the second-order kinematic coefficient?
A. Elevation of the cam
B. Side force of the cam
C. Curvature of the cam
D. Shaft angle
E. Force of the cam
41: What does the third-order kinematic coefficient show the rate of change of?
A. Inertia matrix
B. Y with respect to the input position theta
C. The velocity of the object
D. Angular velocity
E. The angular displacement of the object
42: What are machine elements used to transmit rotary motion between two shafts?
A. Shafts
B. Chains
C. Belts
D. Gears
43: What do gears usually do?
A. Move a load through a gear train
B. Help to move a piston
C. Convert rotary motion to linear motion
D. Transmit rotary motion between two shafts
E. Help to turn a shaft
44: What can we do to find the maximum and minimum values of the pressure angle?
A. Use the quadratic formula
B. Differentiate this equation
C. Use the Least Square Method
D. Use the integral sign
45: How are the axes of the two shafts of spur gears?
A. At right angles
B. At a 90 degree angle
C. Parallel
D. Opposite
E. Side by side
46: In what type of gears are the teeth straight and parallel to the axes of rotation?
A. Worm gears
B. Spur gears
C. Cog gears
D. Cams
47: What other name is used to refer to the larger of the two mating gears?
A. Sprocket or chain
B. Wheel hub
C. Gear or the wheel
D. Hub or the axle
E. Flywheel or the crank
48: What are the smaller gears often called?
A. Ring
B. Pinion
C. Rack
D. Spur
49: What is the name of a theoretical circle on which all calculations are based?
A. Conic sections
B. Cartesian circles
C. Pitch circles
D. Gamma rays
E. Radio waves
50: What is the name of the theoretical circle that all calculations are based on?
A. Cartesian circle
B. Rail circle
C. Pitch circle
D. Sphere
List of Machine Dynamics MCQs ...
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Machine Dynamics MCQs
Вопросы по динамике машин на русском языке
Preguntas de Dinámica de Máquinas en español
日本語でのマシンダイナミクスの質問
Domande di Machine Dynamics in lingua italiana
Questions sur la dynamique des machines en langues françaises
Questões de Dinâmica de Máquinas em Língua Portuguesa
Fragen zur Maschinendynamik in deutschen Sprachen
中文机器动力学问题
أسئلة ديناميكية الآلة في اللغات العربية
Soal-soal Dinamika Mesin dalam bahasa Indonesia
Türkçe makine dinamiği soruları
