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- Question
In the following question, sentence given with blank is to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option. The investigations revealed a ______________lack of efficiency in the functioning of the airlines.
Options- A. plain
- B. obscure
- C. conspicuous
- D. concealed
- Correct Answer
- conspicuous
- 1. According to Avogadro's Hypothesis, the smallest particle of an element or a compound, that can exist independently, is called ____ .
Options- A. a molecule
- B. a cation
- C. an anion
- D. an atom Discuss
- 2. The first death anniversary day of Sri Rajiv Gandhi was observed as the
Options- A. National Integration Day
- B. Peace and Love Day
- C. Secularism Day
- D. Anti-Terrorism Day Discuss
- 3. The mountains which come into being after the continental drift started, with the break up of the large land mass of pangola are
Options- A. young mountains
- B. old mountains
- C. volcanic mountains
- D. fold mountains Discuss
- 4. The dark lines in the solar spectrum are due to
Options- A. absorption of corresponding wavelengths by the outer layers of the sun
- B. destructive interference between waves of certain definite wavelengths
- C. absorption of corresponding wavelengths by the prism used in the photograph
- D. absence of corresponding wavelengths from the light emitted by the core of the sun Discuss
- 5. Which of the following has a least penetrating power?
Options- A. All have same penetrating power
- B. Beta Particles
- C. Alpha particles
- D. Gamma rays Discuss
- 6. Gypsum is added to cement clinker to
Options- A. increase the tensile strength of cement
- B. decrease the rate of setting of cement
- C. facilitate the formation of colloidal gel
- D. bind the particles of calcium silicate Discuss
- 7. The major events of Pre-Cambrian era include
Options- A. formation of crust, continents and oceans
- B. formation of crust, birth of oldest known rock, origin of life
- C. formation of present day atmosphere
- D. All of the above. Discuss
- 8. The low latitude zone of globe extends between
Options- A. Tropic of Capricorn and Cancer
- B. North pole to South pole
- C. Tropic of Capricorn and equator
- D. Equator and Tropic of Cancer Discuss
- 9. The most obvious effect of pressure on rocks is
Options- A. foliation
- B. lineation
- C. lithification
- D. the reorientation of mineral crystals Discuss
- 10. When measuring the characteristics of a small-signal amplifier, say for a radio receiver, one might be concerned with its "Noise..."?
Options- A. Fundamental
- B. Fall
- C. Force
- D. Figure Discuss
More questions
Correct Answer: a molecule
Correct Answer: Anti-Terrorism Day
Explanation:
May 21, the death anniversary of ex-prime minister of India, Shri Rajiv Gandhi is also observed as Anti Terrorism Day in India.
Correct Answer: young mountains
Correct Answer: absorption of corresponding wavelengths by the outer layers of the sun
Correct Answer: Alpha particles
Correct Answer: decrease the rate of setting of cement
Correct Answer: All of the above.
Correct Answer: Tropic of Capricorn and Cancer
Correct Answer: the reorientation of mineral crystals
Correct Answer: Figure
Explanation:
"Noise figure" is one critical parameter for determining the "quality" of a low-noise, small-signal, amplifier, and perhaps more importantly, the sensitivity of the overall receiver system. It is especially important for VHF (very high frequency) - and higher frequency - designs where most of the undesired "noise" (noise that masks or overpowers the desired signals) is generated internal to the electronics itself. In HF (high frequency) applications, atmospheric noise plays a much larger role in determining overall useful sensitivity, so a circuit's "noise figure" is less important.
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