Space technology, Satellite, and Rocket [ Science Set 20] | UPPSC Prelims PYQ of Last 30 Years |Important Objective Question Answer, MCQ and QUIZ ~ Civil Services Self Study ( NCERT Based)

1. Rocket works on which of the following principles? ( UPPSC PYQ)

a) Avogadro's concept

b) Energy conservation

c) Bernoulli's theorem

d) Momentum conservation

Answer. d) Momentum conservation;

Rockets work based on the principles of Newton's Third Law of Motion and Momentum conservation, which states that for every action, there is an equal and opposite reaction.

2. Which one of the following is not a space satellite?

a) SLV-3

b) RS-D1

c) IRS-1D

d) INSAT-2D

Answer. a) SLV-3;

3. Rocket works on the principle of which one of the following? ( UPPSC PYQ)

a) Energy conservation

b) Momentum Conservation

c) Avogadro's hypothesis

d) Bernoulli's theorem

Answer. b) Momentum Conservation;

4. Astronauts in space can not stand erect, because-

a) There is no gravity

b) Viscous forces of the atmosphere are very strong

c) Solar wind exerts an upward force

d) Atmospheric pressure is very low

Answer. a) There is no gravity;

5. If an apple is released from an orbiting spaceship, it will-

a) Fall towards the earth

b) Move at a lower speed

c) Move along with the spaceship at the same speed

d) Move at a higher speed

Answer. c) Move along with the spaceship at the same speed

6. The satellite moves in its orbit around the earth; it is due to

a) Centrifugal force

b) Centripetal Force

c) Gravitational Force or lack of it

d) Some other forces

Answer. b) Centripetal Force;

7. A geosynchronous satellite is continuously active in its orbit due to centripetal force which is obtained by

a) The rocket engine that propelled the satellite

b) The Gravitational force on the satellite by the earth

c) The gravitational force on the satellite by the sun

d) The gravitational force on the earth by satellite.

Answer. b) The Gravitational force on the satellite by the Earth;

8. The Artificial satellite can be tracked distinctly from the Earth-

a) Doppler effect

b) Radar

c) Sonar

d) Pulsar

Answer. a) Doppler effect

9. A satellite revolves around the Earth in its orbit. For which of the following reasons does it happen?

a) Centrifugal force

b) Centripetal force

c) Force of gravity or lack thereof

d) Any other force

Answer. b) Centripetal force;

10. The First Satellite India sent to Space, was-

a) Bhaskar

b) Rohini

c) Aryabhatta

d) Apple

Answer. c) Aryabhatta;

11. Kalpana-I is the new name given to one of the following-

a) Insat-1 A

b) Metsat

c) Insat-2B

d) Agni-II

Answer. b) Metsat

12. A geostationary satellite has a period of

a) 6 Hours

b) 12 hours

c) 18 hours

d) 24 hours

Answer. d) 24 hours;

A geostationary satellite, often referred to as a geosynchronous equatorial orbit (GEO) satellite, is a type of satellite that orbits the Earth at an altitude and speed that allows it to remain in a fixed position relative to the Earth's surface.

13. NASA the US space agency, has launched a telescope named Kepler to find

a) Distant Stars

b) Distant Planets

c) Distant Satellite

d) Earth-like planets

Answer. d) Earth-like planets

14. India's first remote sensing satellite ( I.R.S. IA) was launched from

a) Baikanour

b) Cape Kennedy

c) French Gauna

d) Sri Harikota

Answer. a) Baikanour

15. Which is the correct chronological order of the following space programs?

1. APPLE

2. IGMD

3. STEP

4. SITE

Code:

a) B, C, D, A

b) D, C, A, B

c) C, A, D, B

d) A, C, D, B

Answer. b) D, C, A, B

16. Rocket works on the principle of the following-

a) Avogadro's concept

b) Energy conservation

c) Momentum conservation

d) Bernoulli's theorem

Answer. c) Momentum conservation

17. India built satellite launch vehicles in a few decades. What is the correct chronology for making the following A, B, C, and D?

A. PSLV

B. ASLV

C. SLV

D. GSLV

Code:

a) A, B, C, D

b) B, C, D, A

c) D, C, B, A

d) C, B, A, D

Answer. d) C, B, A, D;

18. ISRO's Master Control Facility is at Hassan, which is located-

a) Andhra Pradesh

b) Gujarat

c) Orissa

d) Karnataka

Answer. d) Karnataka;

19. The Vikram Sarabhai Space Centre at Trivandrum is mainly concerned with

1. Research in propellants for launching rockets

2. Launched sounding rockets to investigate problems of meteorology.

3. Design and fabrication of spacecraft

4. Development of satellite launch

Select the answer from the code given below-

a) 1 and 4 only

b) 1 and 2 only

c) 3 and 4 only

d) All of the above

Answer. a) 1 and 4 only

20. Consider the following Assertion A and Reason R and choose your answer from given code-

Assertion A- The upper surface of the wings of an airplane is convex and the lower surface is concave.

Reason R- the air current at the top has less velocity and thus less pressure at the bottom than at the top

Code-

a) Both A and R are true and R is the correct explanation of A.

b) Both A and R are true, but R is not the correct explanation of A

c) A is false and R is true

d) A is true and R is false

Answer. d) A is true and R is false

21. The "Black Box" of an airplane is of

a) White Colour

b) Red Colour

c) Black Colour

d) Orange Colour

Answer. d) Orange Colour;

A "black box" in an airplane refers to two critical components:

22. Which of the following planets may be suitable for the existence of life?

a) Mars

b) Wed

c) Venus

d) Jupiter

Answer. a) Mars;

27. Stratellite is the

a) Uppermost band of stratosphere

b) Lowermost band of the stratosphere

c) High-altitude airship positioned in the stratosphere

d) Natural satellite of Saturn

Answer. c) High-altitude airship positioned in the stratosphere

28. Thumba known as the rocket launching station is situated in

a) Uttar Pradesh

b) Biahr

c) Jharkhand

d) Kerala

Answer. d) Kerala

29. Sriharikota Island lies near

a) Chilika lake

b) Pulicat lake

c) Mahanadi Estuary

d) Godavari Estuary

Answer. b) Pulicat Lake

30. The cryogenic engine is used in

a) Boeing

b) Rapid rail engines

c) Space Shuttle

d) Nuclear reactor

Answer. c) Space Shuttle;

A cryogenic engine is a type of rocket engine that uses cryogenic propellants, which are substances that are extremely cold and exist in a gaseous or liquid state at very low temperatures. Typically, cryogenic engines use liquid hydrogen (LH2) as fuel and liquid oxygen (LOX) as the oxidizer

31. Which of the following is not used as rocket propellant-

a) Liquid hydrogen

b) Liquid oxygen

c) Liquid hydrazine

d) Kerosene oil

Answer. c) Liquid hydrazine;

32.

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Space technology, Satellite, and Rocket [ Science Set 20] | UPPSC Prelims PYQ of Last 30 Years |Important Objective Question Answer, MCQ and QUIZ

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