Mechanics and Statistics MCQs
Mechanics and Statistics MCQs
Try to answer these 100+ Mechanics and Statistics MCQs and check your understanding of the Mechanics and Statistics subject.
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1: Full form of NASA
A. North American Space Administration
B. National Aeronautics and Space Administration
C. Newton's Action against Space Administration
D. National Reaction of Aeronautics and Space Administration
2: According to Newton's Third Law of Motion, for every action there is what?
A. Unequal and proportional reaction.
B. Equal and opposite reaction.
C. Positive reaction.
D. No reaction.
3: What is the branch of mechanics which deals with force and its effects while acting upon the body at rest?
A. Kinematics
B. Dynamics
C. Statics
D. Thermodynamics
4: What is the branch of mechanics which deals with force and its effects while acting upon the body in motion?
A. Kinematics
B. Dynamics
C. Statics
D. Thermodynamics
5: What is the study of motion of objects due to the action of forces called?
A. Kinetics
B. Forced
C. Kinematics
D. Dynamics
6: What is kinetics?
A. The study of sound
B. The study of motion
C. The study of light
D. A branch of physics
7: What is the study of motion without reference to the forces that cause it called?
A. Kinematics
B. Statics
C. Kinetics
D. Dynamics
8: Kinematics is a branch of ___________.
A. Physics
B. Mathematics
C. Chemistry
D. Dynamics
9: Scalar quantities are determined by what?
A. Direction
B. Frequency
C. Magnitude
D. Intensity
10: What are vector quantities?
A. Imaginary numbers
B. Prime numbers
C. Scalar quantities
D. Quantities which are determined by magnitude as well as direction.
11: In aCollinear Force system, the line of action of all forces act along _____.
A. The same line
B. Different lines
C. Parallel lines
D. Perpendicular lines
12: What is a coplanar force system?
A. A system of forces acting on a body and all lie in the same direction
B. A system of forces acting on a body and all lie perpendicular to each other
C. A system of forces acting on a body and all lie in different planes
D. A system of forces acting on a body and all lie in the same plane
13: What is the name of the force system in which all forces are parallel to each other and lie in the same plane?
A. Coplanar Parallel Force system
B. Coplanar force system
C. Non-coplanar force system
D. Parallel force system
14: In a concurrent force system, the line of action of all forces in the system pass through a ________.
A. Two points
B. Single point
C. Multiple points
D. No common point
15: What is a resultant of concurrent forces?
A. The sum of the magnitudes of all the forces acting on a given body in the same direction.
B. A single force having same effect as that of a number of forces acting on a given body.
C. The sum of the magnitudes of all the forces acting on a given body.
D. A body on which a number of forces act.
16: What is the resultant of a force system?
A. The process of finding the density of an object
B. The process of finding the composition of forces
C. The process of finding the weight of an object
D. The process of finding the volume of an object
17: What does it mean when a body is in equilibrium?
A. The body is at rest and experiences no force
B. The body is at rest or continues to be in steady linear motion.
C. The body experiences no force and is not in motion
D. The body is in motion
18: What is a rigid body?
A. A body in which the relative position of any 2 particles does change the action of force
B. A body with no forces exerted on it
C. A body in which the relative position of any 2 particles does not change the action of force
D. A body that experiences no forces
19: What can Moment of force be measured by?
A. By the product of force and the parallel of the line of action from that point.
B. By the product of force and the perpendicular of the line of action from that point.
C. The product of force and the perpendicular of the line of action from that point.
D. By the product of force and the line of action from that point.
20: What is Cantilever beam?
A. A beam which is free to deflect and rotate.
B. A beam having its one end fixed and other end free to deflect.
C. A beam having one or both ends fixed.
D. A beam having both ends free to deflect.
21: What is a fixed beam?
A. A beam made of wood.
B. A beam having no ends fixed.
C. A beam having one end fixed.
D. A beam having both ends fixed.
22: What is a simply supported beam?
A. A beam made to freely rest on supports which may be knife edges or rollers.
B. A beam that is only supported on knife edges
C. A beam that does not have any supports
D. A beam that is only supported on rollers.
23: Freely supported beam implies that the supports exert forces with no moment on the beam. True or false?
A. Cannot Say
B. Only in some cases
C. True
D. False
24: What is the definition of Span?
A. The horizontal distance between the support
B. A unit of measure for wood
C. The number of spans in a bridge
D. The maximum distance a aircraft can fly without refueling
25: What is an overhanging beam?
A. A beam having one or both ends extended over the support.
B. A type of railroad
C. A beam that extends over a road
D. A beam having one support in the middle
26: What is a continuous beam?
A. A beam provided with more than two supports.
B. A support made of two or more beams connected together.
C. A load-bearing beam made of a continuous piece of material.
D. A beam that does not have a singular point of failure.
27: What does uniformly distributed load mean?
A. There is no load on the beam.
B. The load is not evenly distributed over the beam.
C. The load is evenly distributed over a part of the beam.
D. The load is evenly distributed over the entire length of the beam.
28: What is a "Tie A member"?
A. An ancient torture device
B. A member under tension
C. A type of necktie
D. A support beam in a building
29: What is a strut?
A. An event where people show off their clothes
B. The angle between the sloping surface of a roof and the horizontal
C. A large vehicle
D. A member under compression
30: What is Frictional Force?
A. It is the force that opposes the motion of an object.
B. It is the force distribution at the surface of contact and tangential to the surface of contact.
C. It is the force that opposes motion.
D. It is the force that opposes the motion of objects.
31: What is the name of the friction experienced by the body when it is in motion?
A. Static friction
B. Dynamic/kinematic friction
C. Sliding friction
D. Fluid friction
32: What is the name of the frictional force that is encountered when the motion is just beginning?
A. Kinetic friction
B. Static friction
C. Limiting friction
D. Sliding friction
33: What does the coefficient of friction tell us?
A. The force required to overcome friction.
B. The amount of force required to move an object.
C. The ratio of frictional force to the normal reaction between the contact surface.
D. The amount of force required to stop an object.
34: What is the angle of friction?
A. The angle between the resultant of frictional force and the coefficient of friction.
B. The angle between the normal reaction and the resultant of frictional force.
C. The angle between the normal reaction and the coefficient of friction.
D. The angle between the normal reaction and the weight of the object.
35: What is the max angle of inclination of plane in which the body remains in equilibrium under the action of friction only called?
A. Angle of Elevation
B. Angle of Repose
C. Angle of Depression
D. Angle of Inclination
36: From which material are flat belts made?
A. Iron
B. Leather, cotton, rubber
C. PVC
D. Wood
37: What is the angle of V-belt?
A. 45-60
B. 60-90
C. 30-45
D. 20-30
38: What is the ratio of velocity of driven pulley to the velocity of driving/driver pulley?
A. Time Ratio
B. Velocity Ratio
C. Spatial Ratio
D. Speed Ratio
39: What is the Centre of Gravity?
A. The point at which the force of gravity acts on a body
B. The point at which the force of gravity is weakest
C. The point at which the force of gravity is zero
D. The point at which the force of gravity is strongest
40: What is the centre of mass?
A. The point where the majority of the mass is concentrated
B. A point where the body is balanced
C. A point on a body where the entire mass of the body is assumed to be concentrated
D. The middle of a body
41: What is the science of decision making called?
A. Research
B. Probability
C. Data analysis
D. Statistics
42: What is the main purpose of descriptive statistics?
A. To compare data
B. To describe important features of data
C. To make conclusions beyond given data
D. To predict future data
43: What is the systematic collection of data illustrating the frequency at which a value occurs called?
A. Mode
B. Median
C. Frequency distribution
D. Mean
44: Which of the following is NOT a characteristic of a histogram?
A. Frequency on vertical axis and measurements on horizontal axis
B. It shows the distribution of data
C. Histogram is a graphical representation of data
D. Frequency on horizontal axis and measurements on vertical axis
45: What is population?
A. A set of all possible observation
B. A sample of a population
C. Descriptive Statistics
D. Inferential Statistics
46: What is the value of the median?
A. A value of the Standard Deviation
B. A value of the mean
C. Middle data point
D. A value of the mode
47: What is the mode?
A. Lowest value
B. Mean
C. Median
D. Most frequent value
48: What does degree of dispersion of data tell us?
A. Measures of variation
B. How far apart the data are from each other
C. How close the data are to the mean
D. How spread out the data are
49: What does standard deviation measure?
A. The median of the sample
B. How much a sample deviates from the mean
C. The mean of the sample
D. The sum of the sample
50: What is the variance of the square of the standard deviation?
A. The standard deviation of the square
B. The square of the variance
C. The standard deviation of the variance
D. The square of the standard deviation
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Mechanics and Statistics MCQs
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