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Current Affairs Question - 17 April 2019

International Science & Technology

Mach Number

Consider the following statements:

  1. Hypersonic flow regime is accompanied with Oblique Shock Waves.
  2. The speed of sound varies from planet to planet.
  3. Mach number appears as similarity parameter in equations of compressible flow.

Choose the correct answer from the code given below:

A
1 and 2 only
B
2 and 3 only
C
1, 2 and 3
D
1 and 3 only

National Indigenization Of Technology & Research

Nirbhay Missile

Consider the following statements vis-à-vis ‘Nirbhay Missile’:

  1. It is capable to fly at an altitude as low as 0.1 km.
  2. It is a hypersonic missile developed by the DRDO.
  3. It is not capable of carrying nuclear warheads.

Choose the incorrect answer from the code given below:

A
1 and 2 only
B
2 and 3 only
C
1, 2 and 3
D
1 only

International Science & Technology

Titan (Moon Of Saturn)

Findings suggest that Methane & Ethane present in Titan (Moon of Saturn) is in liquid state, what can be the probable cause(s) for the same?

A. Presence of Saturn Rings

B. Gravitational Pull of Saturn

C. Tidal Pull of Saturn

D. Extremely Cold Climate

A
Presence of Saturn Rings
B
Gravitational Pull of Saturn
C
Tidal Pull of Saturn
D
Extremely Cold Climate

International Science & Technology

Cassini-Huygens Mission

Consider the following statements about Cassini-Huygens Mission:

  1. It was launched to study Great Red Spot of Jupiter.
  2. It was launched by NASA in collaboration with Canadian Space Agency.

Choose the correct answer from the code given below:

A
Only 1
B
Only 2
C
Both 1 and 2
D
Neither 1 nor 2

International Physical Geography

Cassini-Huygens Mission

Consider the following statements vis-a-vis Cassini-Huygens Mission:

  1. Landing of Huygens was first landing ever accomplished in the outer solar system.
  2. The mission found that the Saturn’s moon ‘Titan’ contains many earth-like features such as wind, rain and seas.

Choose the correct answer from the code given below:

A
Only 1
B
Only 2
C
Both 1 and 2
D
Neither 1 nor 2
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