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Eng. PD: Fall Final 2024

Total questions: 120

Worksheet time: 3600secs

Name
Class
Date
1.

Why is material selection important in engineering?

a)

To increase the cost of production

b)

To ensure optimal performance, durability, and cost-effectiveness

c)

To decrease the lifespan of products

d)

To create generic products

2.

Which property affects a material’s performance under stress?

a)

Optical

b)

Mechanical

c)

Chemical

d)

Thermal

3.

What type of material is characterized by high strength and ductility?

a)

Ceramics

b)

Polymers

c)

Metals

d)

Composites

4.

Which is NOT a step in the material selection process?

a)

Defining requirements

b)

Researching materials

c)

Ignoring environmental impact

d)

Evaluating options

5.

What is the primary concern in testing for corrosion resistance?

a)

Heat capacity

b)

Chemical reactivity

c)

Environmental durability

d)

Flexibility

6.

What material would be ideal for a lightweight bicycle frame but is expensive?

a)

Aluminum

b)

Steel

c)

Carbon Fiber

d)

Titanium

7.

Which testing method measures a material’s resistance to deformation?

a)

Thermal conductivity test

b)

Hardness test

c)

Corrosion resistance test

d)

Flexibility test

8.

What is the formula to calculate the density of a material?

a)

Density = Volume / Mass

b)

Density = Mass × Volume

c)

Density = Mass / Volume

d)

Density = Weight × Volume

9.

Which class of material combines properties from multiple other materials?

a)

Polymers

b)

Composites

c)

Ceramics

d)

Metals

10.

What is one key benefit of using lifecycle assessment in material testing?

a)

Ignoring environmental impact

b)

Reducing production costs without testing

c)

Evaluating environmental effects of materials

d)

Eliminating the need for material testing

11.

What is the primary goal of quality control (QC)?

a)

To increase production costs

b)

To meet predefined standards

c)

To reduce customer satisfaction

d)

To increase waste

12.

Which QC method focuses on reducing defects through process improvement?

a)

Lean Manufacturing

b)

Inspection

c)

Testing

d)

Feedback

13.

What should be the first step in a quality control process?

a)

Testing

b)

Setting standards

c)

Continuous improvement

d)

The love of quality

14.

Which of the following is a challenge in implementing QC?

a)

Enhancing customer trust

b)

High costs

c)

Ensuring consistency

d)

Maintaining brand reputation

15.

What is an advantage of using Statistical Process Control (SPC)?

a)

Reduced waste and rework costs

b)

Increased variability in processes

c)

Misinterpretation of data

d)

Ignoring process stability

16.

What does an X-bar chart monitor?

a)

Proportion of defective units

b)

Process average

c)

Range of a process

d)

Individual defective products

17.

In healthcare, what can SPC track?

a)

Patient wait times

b)

Design changes

c)

Increased production costs

d)

Car part dimensions

18.

Which industry relies on QC to meet safety standards for food?

a)

Automotive

b)

Food

c)

Aerospace

d)

Electronics

19.

Which term refers to a graphical representation used in SPC?

a)

Feedback loop

b)

Control chart

c)

Six Sigma model

d)

Tolerance graph

20.

What is a micrometer used for?

a)

Measuring short distances

b)

Measuring electrical resistance

c)

Measuring very small dimensions accurately

d)

Measuring angular slopes

21.

Which tool is preferred by civil engineers for long-distance measurements?

a)

Ruler

b)

Laser Tape Measure

c)

Protractor

d)

Clinometer

22.

What device is used to measure angles of slope or elevation?

a)

Protractor

b)

Clinometer

c)

Theodolite

d)

Angle Gauge

23.

Which tool combines multiple electrical measurement functions?

a)

Oscilloscope

b)

Power Analyzer

c)

Multimeter

d)

Digital Caliper

24.

What is a strain gauge used to measure?

a)

Electrical voltage

b)

Weight or force through resistance changes

c)

Fluid pressure in pipes

d)

Electrical signals as graphs

25.

Which tool is ideal for measuring the pressure of fluids in confined spaces?

a)

Oscilloscope

b)

Manometer

c)

Digital Protractor

d)

Laser Scanner

26.

What is the primary advantage of digital measuring tools?

a)

Lower costs

b)

Manual adjustments

c)

Faster and more accurate readings

d)

Lack of dependency on power

27.

What does a 3D scanner measure?

a)

Electric current

b)

Physical dimensions

c)

Sound waves

d)

Light intensity

28.

Which class of lever has the fulcrum positioned between the effort and the load?

a)

Class 1

b)

Class 2

c)

Class 3

d)

None of the above

29.

What determines the mechanical advantage of a pulley system?

a)

Length of the rope

b)

Weight of the load

c)

Number of rope segments supporting the load

d)

Diameter of the pulley

30.

What is the mechanical advantage of a wheel and axle system with a wheel radius of 40 cm and an axle radius of 5 cm?

a)

5

b)

6

c)

7

d)

8

31.

What is the purpose of compound machines?

a)

To combine simple machines for greater efficiency

b)

To reduce the cost of engineering systems

c)

To simplify mechanical processes

d)

To increase complexity in design

32.

In a block and tackle system with a mechanical advantage of 4, how much effort is needed to lift a 400 N load?

a)

100 N

b)

200 N

c)

300 N

d)

400 N

33.

What happens to the efficiency of a pulley system if excessive effort is applied?

a)

It increases

b)

It decreases

c)

It remains constant

d)

It becomes infinite

34.

Which mechanical system component uses toothed wheels to transmit rotational motion?

a)

Levers

b)

Gears

c)

Axles

d)

Screws

35.

What is the mechanical advantage formula for an inclined plane?

a)

Height / Length

b)

Length / Height

c)

Load / Effort

d)

Effort / Load

36.

A dolly used to lift a load is an example of which class of lever?

a)

Class 1

b)

Class 2

c)

Class 3

d)

None of the above

37.

What does it mean for forces to be in equilibrium?

a)

The forces act in the same direction

b)

The forces cancel each other out

c)

The forces are all zero

d)

The forces create motion

38.

Which of the following is a contact force?

a)

Gravitational force

b)

Magnetic force

c)

Normal force

d)

None of the above

39.

What does Newton’s First Law of Motion state about a body at rest?

a)

It will move if pushed

b)

It will remain at rest unless acted upon by an external force

c)

It has no forces acting on it

d)

It will accelerate indefinitely

40.

What is the purpose of a Free Body Diagram (FBD)?

a)

To measure the weight of an object

b)

To visualize forces acting on an object

c)

To calculate speed

d)

To estimate material properties

41.

Which equilibrium condition checks for rotational balance?

a)

∑Fx=0

b)

∑Fy=0

c)

∑M=0

d)

D) None of the above

42.

Why do engineers analyze both static and dynamic forces for suspension bridges?

a)

To prevent vibrations and ensure stability

b)

To minimize construction time

c)

To reduce material costs

d)

To increase the movement of the suspension

43.

What is the primary focus of civil engineering?

a)

Developing software systems

b)

Designing chemical processes

c)

Constructing infrastructure

d)

Building electrical circuits

44.

Which of the following is a key area in mechanical engineering?

a)

Power systems

b)

Robotics

c)

Environmental solutions

d)

Pharmaceuticals

45.

Which engineering field integrates computer science and electrical engineering?

a)

Biomedical engineering

b)

Civil engineering

c)

Computer engineering

d)

Mechanical engineering

46.

Which of these is a typical project in chemical engineering?

a)

Building bridges

b)

Developing new materials

c)

Designing microprocessors

d)

Programming robots

47.

What does environmental engineering focus on?

a)

Constructing skyscrapers

b)

Managing waste and pollution

c)

Developing transportation systems

d)

Innovating surgical devices

48.

Which engineering field involves the design of medical devices?

a)

Mechanical engineering

b)

Biomedical engineering

c)

Electrical engineering

d)

Civil engineering

49.

Which of these fields is most likely to involve designing spacecraft?

a)

Environmental engineering

b)

Aerospace engineering

c)

Agricultural engineering

d)

Biomedical engineering

50.

Which engineering field focuses on the extraction of minerals?

a)

Chemical engineering

b)

Civil engineering

c)

Mining engineering

d)

Environmental engineering

51.

What is a common task for software engineers?

a)

Building bridges

b)

Developing algorithms

c)

Refining oil

d)

Designing motors

52.

What is the main purpose of engineering?

a)

To write scientific theories

b)

To apply science and math to solve real-world problems

c)

To conduct experiments in laboratories

d)

To make life more advanced-looking

53.

Which of the following is a focus area for Civil Engineering?

a)

Developing mobile applications

b)

Designing chemical processes

c)

Building roads and bridges

d)

Manufacturing engines

54.

Mechanical engineering includes the design and development of:

a)

Software systems

b)

Chemical processes

c)

Robots and automated systems

d)

Electric circuits

55.

Which branch of engineering focuses on electricity, circuits, and communication systems?

a)

Civil Engineering

b)

Electrical Engineering

c)

Chemical Engineering

d)

Mechanical Engineering

56.

What do chemical engineers specialize in?

a)

Designing urban infrastructure

b)

Creating new materials and processes

c)

Building aircraft

d)

Programming computers

57.

Computer Engineering integrates:

a)

Physics and Chemistry

b)

Civil and Mechanical principles

c)

Electrical Engineering and Computer Science

d)

Chemical and Biological principles

58.

Which engineering field primarily deals with infrastructure?

a)

Mechanical

b)

Civil

c)

Electrical

d)

Chemical

59.

A key contribution of mechanical engineering is:

a)

Inventing the light bulb

b)

Developing pharmaceuticals

c)

Creating internal combustion engines

d)

Building dams

60.

What is a common focus of environmental engineering within civil engineering?

a)

Manufacturing turbines

b)

Developing sustainable waste management solutions

c)

Creating computer algorithms

d)

Designing communication devices

61.

What role do engineers play in society?

a)

They conduct only theoretical research

b)

They innovate and solve real-world problems

c)

They work exclusively in academic settings

d)

They manage financial systems

62.

What is the primary purpose of PPE?

a)

To enhance worker productivity

b)

To improve comfort in the workplace

c)

To protect individuals from hazards

d)

To enforce uniform dress codes

63.

Which of the following is NOT a category of PPE?

a)

Head protection

b)

Eye and face protection

c)

Sound enhancement devices

d)

Foot protection

64.

Before using PPE, what should be done?

a)

Dispose of old PPE

b)

Inspect the PPE for damage or defects

c)

Wash it with detergent

d)

Apply protective coating

65.

What type of PPE is used to protect hands from sharp objects and chemicals?

a)

Goggles

b)

Gloves

c)

Hard hats

d)

Earplugs

66.

What does proper PPE usage involve?

a)

Sharing PPE among workers

b)

Wearing the wrong size if needed

c)

Ensuring a correct fit and regular inspection

d)

Ignoring manufacturer instructions

67.

What is the first step in wearing PPE correctly?

a)

Putting on a gown

b)

Wearing gloves

c)

Washing hands thoroughly

d)

Wearing a mask

68.

Which agency provides guidelines for workplace safety, including PPE?

a)

OSHA

b)

EPA

c)

FDA

d)

CDC

69.

Earplugs or earmuffs are used to protect against:

a)

Chemical splashes

b)

Loud noise levels

c)

Sharp objects

d)

Airborne particles

70.

What should workers do with damaged PPE?

a)

Continue using it

b)

Discard and replace it

c)

Clean and reuse it

d)

Store it for emergencies

71.

What is a common mistake when using PPE?

a)

Inspecting its material before use

b)

Storing it properly

c)

Failing to wear it correctly

d)

Cleaning it regularly

72.

What is a primary role of design engineers?

a)

Managing project budgets

b)

Developing product prototypes

c)

Marketing engineering solutions

d)

Hiring team members

73.

Which role is responsible for project timelines?

a)

Designer

b)

Quality Assurance Specialist

c)

Project engineering

d)

contractor

74.

Which role engages in production of vehicles?

a)

Project Manager

b)

Design Engineer

c)

QA Specialist

d)

Manufacturing Engineer

75.

What skill is crucial for collaborative design teams?

a)

Individual expertise

b)

Solo problem-solving

c)

Clear communication

d)

Financial management

76.

Why is diversity important in design teams?

a)

It reduces costs

b)

It fosters creativity and problem-solving

c)

It eliminates communication barriers

d)

It speeds up production

77.

What is the first step in the engineering design process?

a)

Brainstorming ideas

b)

Evaluating prototypes

c)

Defining the problem

d)

Testing the final product

78.

What is a benefit of user-centered design?

a)

Faster project timelines

b)

Lower production costs

c)

Increased customer satisfaction

d)

Simplified testing

79.

What does effective time management involve in design teams?

a)

Ignoring deadlines

b)

Using project management tools

c)

Allocating excessive resources

d)

Avoiding collaboration

80.

What is the purpose of presenting the design process results?

a)

To validate personal opinions

b)

To contribute to collective knowledge and foster innovation

c)

To minimize project costs

d)

To restrict access to information

81.

What is the study of energy transfer, heat, and work in physical systems called?

a)

Thermodynamics

b)

Kinetics

c)

Dynamics

d)

Statics

82.

Which part of the universe is being studied in thermodynamics?

a)

Systems

b)

Surroundings

c)

Environment

d)

Atmosphere

83.

What type of system is a jet engine?

a)

Open system

b)

Closed system

c)

Isolated system

d)

None of the above

84.

What is an example of an isolated system?

a)

Jet engine

b)

Refrigerator

c)

Insulated thermos bottle

d)

Car's cooling system

85.

Which type of system describes a sealed gas cylinder?

a)

Open system

b)

Closed system

c)

Isolated system

d)

Dynamic system

86.

What is the significance of the Second Law of Thermodynamics in everyday appliances?

a)

It ensures they operate without energy.

b)

It explains their energy efficiency limits.

c)

It makes them operate faster.

d)

It reduces their cost.

87.

Why can't a heat engine be 100% efficient?

a)

A) Because the First Law of Thermodynamics states energy is always conserved.

b)

B) Because the Second Law of Thermodynamics states some energy is always lost as waste heat.

c)

C) Because the Third Law of Thermodynamics states absolute zero is unattainable.

d)

D) Because the Zeroth Law of Thermodynamics states thermal equilibrium is necessary.

88.

What is a heat engine?

a)

A system that converts mechanical work into heat energy.

b)

A system that converts heat energy into mechanical work.

c)

A system that stores heat energy.

d)

A system that cools down mechanical parts.

89.

What is entropy a measure of?

a)

System order

b)

System disorder

c)

System energy

d)

System temperature

90.

What is the function of cylinders or actuators in a pneumatic system?

a)

Convert hydraulic energy to linear mechanical force and motion

b)

Convert pneumatic energy to electrical energy

c)

Convert mechanical energy to hydraulic energy

d)

Convert electrical energy to pneumatic energy

91.

Which system would you choose for applications requiring rapid movement?

a)

Hydraulic

b)

Pneumatic

c)

Both

d)

Neither

92.

Which system is more suitable for higher force applications?

a)

Pneumatic systems

b)

Hydraulic systems

c)

Both are equally suitable

d)

Neither is suitable

93.

Which of the following is a main component without which a hydraulic system will not work?

a)

Battery

b)

Compressor

c)

Light bulb

d)

Wire

94.

Which component is responsible for creating flow within the system?

a)

Cylinder

b)

Pump/Compressor

c)

Valve

d)

Pressure Relief Valve

95.

Which component controls the direction, pressure, and flow rate of the fluid or air?

a)

Cylinder

b)

Pump/Compressor

c)

Valve

d)

Pressure Relief Valve

96.

What is a benefit of using fluid power in systems?

a)

Increased noise levels

b)

Uncontrolled operations

c)

Smooth, controlled operations

d)

Higher energy consumption

97.

What is a common application of fluid power systems?

a)

Generating heat

b)

Creating powerful, efficient motion control

c)

Producing sound waves

d)

Conducting electricity

98.

What type of fluid does hydraulics use?

a)

Compressible gases

b)

Incompressible liquids

c)

Solid particles

d)

Plasma

99.

Which of the following is a core concept that governs electrical phenomena?

a)

Magnetism

b)

Electric charge

c)

Gravity

d)

Friction

100.

What is the term for the opposition to the flow of electric current in a circuit?

a)

Voltage

b)

Resistance

c)

Capacitance

d)

Inductance

101.

In the circuit diagram illustrating the flow of electric current and direction of electrons in a circuit:

a)

Electric current flows from positive to negative, and electrons flow from negative to positive.

b)

Electric current flows from negative to positive, and electrons flow from positive to negative.

c)

Electric current and electrons both flow from positive to negative.

d)

Electric current and electrons both flow from negative to positive.

102.

What is the fundamental property of matter that causes electrical and magnetic forces, measured in coulombs (C)?

a)

Electric Current

b)

Voltage

c)

Electric Charge

d)

Resistance

103.

What is the term for materials that allow easy flow of electric current, such as metals?

a)

Insulators

b)

Conductors

c)

Resistors

d)

Capacitors

104.

What is the electrical potential difference between two points in a circuit, measured in volts (V)?

a)

Electric Current

b)

Resistance

c)

Voltage

d)

Capacitance

105.

What is the opposition to the flow of electric current in a conductor, measured in?

a)

Volt

b)

ohms (Ω)

c)

Ampere

d)

coulomb

e)

siemens

106.

How does the flow of current and electrons affect daily life?

a)

It has no impact on daily life.

b)

It only affects industrial machinery.

c)

It enables the operation of essential devices like computers and refrigerators.

d)

It is only important for scientific research.

107.

How does the flow of current and electrons affect daily life?

a)

It has no impact on daily life.

b)

It only affects industrial machinery.

c)

It enables the operation of essential devices like computers and refrigerators.

d)

It is only important for scientific research.

108.

Why is understanding the flow of current important for safety?

a)

It helps in designing better furniture.

b)

It ensures safety when using or repairing electronic equipment.

c)

It is only necessary for electricians.

d)

It reduces the cost of electricity.

109.

Which formula represents Ohm's Law?

a)

V = IR

b)

I = VR

c)

R = VI

d)

V = I/R

110.

How does Ohm's Law help engineers and technicians?

a)

It helps them design mechanical systems.

b)

It assists in creating chemical reactions.

c)

It aids in designing efficient circuits and troubleshooting electrical problems.

d)

It is used to calculate gravitational forces.

111.

How does Ohm’s Law benefit us in real life?

a)

It helps in designing and troubleshooting electrical systems safely and efficiently.

b)

It allows for the creation of new chemical compounds.

c)

It is used to calculate gravitational forces.

d)

It helps in predicting weather patterns.

112.

What is the formula for calculating the total resistance in a series circuit?

a)

R = R1 * R2 * R3

b)

R = R1 + R2 + R3

c)

R = (R1 + R2) / R3

d)

R = R1 / R2 + R3

113.

What is the formula to calculate the total resistance in a parallel circuit?

a)

R = R1 + R2 + R3

b)

1/R = 1/R1 + 1/R2 + 1/R3

c)

R = R1 * R2 * R3

d)

R = (R1 + R2 + R3)/3

114.

What is a key responsibility of engineers in project management?

a)

Ensuring projects meet deadlines

b)

Creating marketing strategies

c)

Writing software code

d)

Conducting laboratory experiments

115.

What is one of the goals of project management in engineering?

a)

To increase the number of engineers

b)

To fulfill the project's goals

c)

To reduce the number of projects

d)

To eliminate deadlines

116.

Which of the following is a key skill for engineers in project management?

a)

Painting

b)

Time management

c)

Singing

d)

Dancing

117.

What is the primary goal of research and development in engineering?

a)

To maintain existing technologies

b)

To innovate and improve technologies, processes, and materials

c)

To reduce the cost of production

d)

To eliminate the need for engineers

118.

Why is the development of electric vehicles considered a response to ethical concerns?

a)

They are cheaper to produce

b)

They reduce environmental impact

c)

They are faster than traditional vehicles

d)

They require less maintenance

119.

What is the role of sustainability in engineering ethics?

a)

To increase profits

b)

To ensure long-term environmental health

c)

To speed up production

d)

To reduce labor costs

120.

How can engineers incorporate sustainability into their work?

a)

By ignoring environmental regulations

b)

By using renewable resources and reducing waste

c)

By focusing solely on cost reduction

d)

By increasing production speed