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Introduction to Mechanical Engineering

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

Who is often regarded as the Father of Mechanical Engineering?

a)

Archimedes

b)

James Watt

c)

Isaac Newton

d)

Leonardo da Vinci

2.

The Industrial Revolution began in which country?

a)

Germany

b)

United States

c)

United Kingdom

d)

France

3.

James Watt improved which machine?

a)

Sewing Machine

b)

Steam Engine

c)

Gas Turbine

d)

Printing Press

4.

The invention of the internal combustion engine influenced which industry most?

a)

Textile

b)

Automotive

c)

Chemical

d)

Electronics

5.

The earliest mechanical devices such as pulleys and levers were developed by:

a)

Egyptians

b)

Greeks

c)

Romans

d)

Chinese

6.

The first steam locomotive was built by:

a)

George Stephenson

b)

Thomas Edison

c)

Henry Ford

d)

Nikola Tesla

7.

Leonardo da Vinci contributed to mechanical engineering by:

a)

Developing SI Units

b)

Designing machines like helicopters and gears

c)

Invention of refrigeration

d)

Industrial safety

8.

The transition from hand production to machines during the 18th century is known as:

a)

Scientific Revolution

b)

Agricultural Revolution

c)

Industrial Revolution

d)

Mechanical Age

9.

The Wright brothers contributed to which field?

a)

Steam Power

b)

Aerospace Engineering

c)

Textile Industry

d)

Civil Construction

10.

Modern mechanical engineering integrates with which of the following fields?

a)

Biology

b)

Computer Science

c)

Electrical Engineering

11.

Work is said to be done when:

a)

Force is applied without displacement

b)

Displacement occurs without force

c)

Force causes displacement

d)

None of these

12.

SI unit of force is:

a)

Joule

b)

Newton

c)

Watt

d)

Pascal

13.

1 Newton = ?

a)

1 kg·m/s

b)

1 kg·m/s²

c)

1 kg·m²/s

d)

1 N/m²

14.

Power is defined as:

a)

Work × Time

b)

Work / Time

c)

Force × Distance

d)

Energy × Time

15.

Unit of energy is:

a)

Watt

b)

Joule

c)

Newton

d)

Pascal

16.

A body in motion continues in motion unless acted upon by an external force. This is:

a)

Newton’s First Law

b)

Newton’s Second Law

c)

Newton’s Third Law

d)

Law of Gravitation

17.

SI unit of power is:

a)

Watt

b)

Joule

c)

Pascal

d)

Newton

18.

Kinetic energy is given by:

a)

mgh

b)

½ mv²

c)

Fd

d)

Pt

19.

Potential energy depends on:

a)

Mass and velocity

b)

Mass and height

c)

Force and time

d)

Pressure and volume

20.

Which of these is NOT a form of mechanical energy?

(a)  

21.

Dimension of work is:

a)

[M L² T⁻²]

b)

[M L T⁻²]

c)

[M⁰ L⁰ T⁰]

d)

[M² L T⁻³]

22.

If force = 10 N, displacement = 2 m, work done = ?

a)

5 J

b)

20 J

c)

10 J

d)

2 J

23.

When work is done at a faster rate, power becomes:

a)

Lesser

b)

Greater

c)

Zero

d)

Constant

24.

Newton’s third law states:

a)

Force = mass × acceleration

b)

For every action there is an equal and opposite reaction

c)

Energy is conserved

d)

None of these

25.

A machine that converts chemical energy to mechanical energy is:

a)

Steam turbine

b)

Internal combustion engine

c)

Refrigerator

d)

Transformer

26.

SI unit of mass is:

a)

Gram

b)

Kilogram

c)

Pound

d)

Tonne

27.

SI unit of length is:

a)

Metre

b)

Centimetre

c)

Mile

d)

Inch

28.

SI unit of time is:

a)

Minute

b)

Hour

c)

Second

d)

Day

29.

Which of the following is NOT an SI base unit?

a)

Kelvin

b)

Candela

c)

Liter

d)

Mole

30.

Pressure is measured in:

a)

Joule

b)

Pascal

c)

Watt

d)

Newton

31.

1 Pascal = ?

a)

1 N/m

b)

1 N/m²

c)

1 N·m

d)

1 kg/m²

32.

Dimensional formula of velocity is:

a)

[M L² T⁻²]

b)

[M⁰ L T⁻¹]

c)

[M L² T⁻²]

d)

[M L T⁰]

33.

Dimensional formula of power is:

a)

[M L² T⁻³]

b)

[M L T⁻²]

c)

[M L² T⁻²]

d)

[M⁰ L⁰ T⁰]

34.

1 horsepower = ?

a)

1000 W

b)

746 W

c)

100 W

d)

500 W

35.

Temperature in SI is measured in:

a)

Celsius

b)

Fahrenheit

c)

Kelvin

d)

Rankine

36.

Ethics in engineering primarily deals with:

a)

Profit maximization

b)

Right and wrong professional conduct

c)

Technical efficiency

d)

None of these

37.

Professionalism in engineering refers to:

a)

Personal dress code

b)

Responsibility, competence, and conduct

c)

High salaries

d)

Long working hours

38.

An unethical practice in engineering is:

a)

Following codes of conduct

b)

Using substandard materials

c)

Ensuring safety

d)

Honest reporting

39.

Which disaster is a result of ethical negligence?

a)

Bhopal Gas Tragedy

b)

Moon Landing

40.

Confidentiality in engineering ethics means:

a)

Hiding errors from clients

b)

Protecting sensitive information

c)

Not reporting safety hazards

d)

Ignoring standards

41.

Engineers should prioritize:

a)

Cost over safety

b)

Public safety and welfare

c)

Speed over quality

d)

Profit over standards

42.

A violation of professionalism is:

a)

Meeting deadlines

b)

Plagiarizing designs

c)

Following safety codes

d)

Clear communication

43.

Which is a professional responsibility of engineers?

a)

Protecting the environment

b)

Ignoring deadlines

c)

Reducing transparency

d)

Promoting corruption

44.

Integrity in engineering means:

a)

Being honest and fair

b)

Maximizing profits

c)

Ignoring responsibilities

d)

Working quickly

45.

Which of the following promotes professionalism?

a)

Continuous learning and skill development

b)

Avoiding teamwork

c)

Ignoring ethics

d)

Hiding mistakes

46.

Engineers must report unsafe practices as part of:

a)

Loyalty

b)

Whistleblowing

c)

Confidentiality

d)

Cost-saving

47.

Which is an example of unethical behavior?

a)

Safety-first approach

b)

Bribery in project approval

c)

Quality assurance

d)

Transparent communication

48.

Professional codes of ethics are provided by:

a)

Social clubs

b)

Engineering societies

c)

Media groups

d)

Political parties

49.

Which of the following best describes sustainable development?

a)

Meeting only current needs

b)

Meeting present needs without compromising future

c)

Maximizing profits at all costs

d)

Ignoring the environment

50.

Overall, ethics and professionalism in engineering ensure:

a)

Profit and quick results

b)

Safety, trust, and sustainable development

c)

Only technical perfection

d)

Only legal compliance

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