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Engineers' Day and Ozone Day Quiz

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

On which date is Engineers’ Day celebrated in India?

a)

5th September

b)

15th September

c)

2nd October

d)

26th January

2.

Engineers’ Day in India commemorates the birth anniversary of which famous Indian engineer?

a)

A.P.J. Abdul Kalam

b)

Satish Dhawan

c)

Sir M. Visvesvaraya

d)

Homi Bhabha

3.

In which year was the first Engineers’ Day celebrated in India?

a)

1955

b)

1962

c)

1968

d)

1975

4.

What prestigious Indian award was given to Sir M. Visvesvaraya in 1955?

a)

Padma Shri

b)

Bharat Ratna

c)

Padma Bhushan

d)

Padma Vibhushan

5.

Sir M. Visvesvaraya played a key role in building which major dam in Karnataka?

a)

Bhakra Nangal Dam

b)

Hirakud Dam

c)

Tehri Dam

d)

Krishna Raja Sagara (KRS) Dam

6.

On which date is World Ozone Day observed every year?

a)

5th June

b)

22nd April

c)

16th September

d)

1st October

7.

World Ozone Day commemorates the signing of which international agreement?

a)

Kyoto Protocol

b)

Paris Agreement

c)

Montreal Protocol

d)

Geneva Convention

8.

In which year was the Montreal Protocol signed?

a)

1972

b)

1987

c)

1992

d)

2005

9.

Which layer of Earth’s atmosphere contains the highest concentration of ozone?

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

10.

What is the chemical formula for ozone?

a)

O

b)

O₂

c)

O₃

d)

O₄

11.

Which type of sensor is used to detect motion in an IoT system?

a)

Temperature sensor

b)

Humidity sensor

c)

PIR sensor

d)

Pressure sensor

12.

What does a temperature sensor measure?

a)

Voltage

b)

Air quality

c)

Heat or thermal energy

d)

Speed

13.

Which sensor is commonly used to detect the presence or level of water?

a)

Proximity sensor

b)

Water level sensor

c)

Gas sensor

d)

Accelerometer

14.

Which sensor is typically used in IoT weather stations to measure humidity?

a)

DHT11

b)

MQ-2

c)

LM35

d)

LDR

15.

An LDR sensor is used to detect:

a)

Sound

b)

Light intensity

c)

Temperature

d)

Gas leaks

16.

Who is the creator of the C programming language?

a)

James Gosling

b)

Dennis Ritchie

c)

Bjarne Stroustrup

d)

Guido van Rossum

17.

Which symbol is used to end a statement in C?

a)

: (colon)

b)

. (dot)

c)

; (semicolon)

d)

, (comma)

18.

Which of the following is the correct syntax to declare an integer variable in C?

a)

int num;

b)

integer num;

c)

num int;

d)

int = num;

19.

What is the default return type of the main() function in C?

a)

float

b)

void

c)

int

d)

char

20.

Which of the following is a valid C variable name?

a)

123value

b)

value_123

c)

float

d)

@value