Select the correct answer using the codes given below :
Anonymous Quiz
23%
A. 1 and 2 only
14%
B. 2,3 and 4 only
18%
C. 1,3 and 4 only
45%
D. All of the above
Q.3. If a blockchain network chooses to transition from a 'Proof of Work' to a 'Proof of Stake' mechanism, which of the following accurately describes the potential outcome of this transition ?
1. Increase in competition among miners.
2. It can enhance the security of the chain.
3. Increase in carbon footprint.
1. Increase in competition among miners.
2. It can enhance the security of the chain.
3. Increase in carbon footprint.
How many of the above statements is/are correct :
Anonymous Quiz
13%
A. Only 1
54%
B. Only 2
23%
C. Only 3
9%
D. None the above
Q.1. Consider the following statements regarding IN-SPACe :
1. It is a single-window autonomous agency under the Department of Space.
2. It is responsible for commercialising space technologies and platforms created through public expenditure.
1. It is a single-window autonomous agency under the Department of Space.
2. It is responsible for commercialising space technologies and platforms created through public expenditure.
Select the correct answer using the codes given below :
Anonymous Quiz
15%
A. 1 only
23%
B. 2 only
57%
C. Both 1 and 2
4%
D. None of the above
Q. 2. What is meant by "critical mass" in a nuclear reactor ?
A. The mass at which uranium becomes radioactive.
B. The minimum amount of fissile material required to sustain a chain reaction.
C. The weight of nuclear fuel rods in a reactor.
D. The total mass of a nuclear reactor
A. The mass at which uranium becomes radioactive.
B. The minimum amount of fissile material required to sustain a chain reaction.
C. The weight of nuclear fuel rods in a reactor.
D. The total mass of a nuclear reactor
Q.3. Consider the following statements regarding Graphene :
1. It is composed of a single layer of carbon atoms.
2. It is harder than diamond yet more elastic than rubber.
3. It is one of the thinnest but strongest materials tested so far.
1. It is composed of a single layer of carbon atoms.
2. It is harder than diamond yet more elastic than rubber.
3. It is one of the thinnest but strongest materials tested so far.
Select the correct answer code :
Anonymous Quiz
22%
A. 1 and 3 only
30%
B. 2 and 3 only
16%
C. 3 only
32%
D. All of the above
Q.1. ‘Presidio Principles’ recently seen in news, related to :
A. Blockchain
B. Nanotechnology
C. Biotechnology
D. Nuclear technology
A. Blockchain
B. Nanotechnology
C. Biotechnology
D. Nuclear technology
Q.2. ‘Artificial Sun’ seen in news, related to :
A. India
B. USA
C. China
D. Russia
A. India
B. USA
C. China
D. Russia
Q.3 .Consider the following matches :
1. Project Netra - Detect debris
2. Tri Netra - Missile tracker
3. Sindhu Netra - Satellite
1. Project Netra - Detect debris
2. Tri Netra - Missile tracker
3. Sindhu Netra - Satellite
Select the correct answer code :
Anonymous Quiz
17%
A. 1 and 3 only
26%
B. 2 and 3 only
17%
C. 3 only
39%
D. All of the above