Q:

Consider the following constituent gases of the atmosphere :

1. Argon

2. Neon

3. Helium

4.Ceirbon dioxide

Which one of the following is the correct ascending sequence of the above gases in terms of the volume percentage?

A) 1-3-2-4	B) 1-4-2-3
C) 4-2-3-1	D) 2-4-1-3

Answer & Explanation Answer: B) 1-4-2-3

Explanation:

Composition of Dry Air (Substance, % by volume)

Nitrogen, N2 78.08

Oxygen, O2

20.95

Argon, Ar 0.93

Carbon dioxide, CO2 0.033

Neon, Ne 0.0018

Helium, He 0.00052

Methane, CH4 0.0002

Krypton, Kr 0.00011

Dinitrogen oxide, N2O 0.00005

Hydrogen, H2 0.00005

Ozone, O3 0.000001

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Filed Under: Chemistry
Exam Prep: Bank Exams

0 12370

Q:

Improve the bracketed part of the sentence.

Woodrow Wilson was referring to the liberal idea of the economic market when he said that the free enterprise system is the (much) efficient economic system.

A) most	B) many
C) mere	D) No improvement

Answer & Explanation Answer: A) most

Explanation:

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Filed Under: English

0 12361

Q:

What are demand-paging and pre-paging?

Answer

With demand paging, a page is brought into memory only when a location on that page is actually referenced during execution. With pre-paging, pages other than the one demanded by a page fault are brought in. The selection of such pages is done based on common access patterns, especially for secondary memory devices.

Workspace

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Subject: Operating Systems

4 12360

Q:

The rockcut temples of Mahabalipuram were built were built under the patronage of the

A) Chola Kings	B) Pallava Kings
C) Pandya Kings	D) Satavahana Kings

Answer & Explanation Answer: B) Pallava Kings

Explanation:

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Filed Under: Indian History

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Q:

Is B2+ Paramagnetic or Diamagnetic?

Answer

B2+ is a Paramagnetic.

The filled orbitals are $σ$ (1s) $^{2}$ , $σ^{*}$ (1s) $^{2}$ , $σ$ (2s) $^{2}$ , $σ^{*}$ (2s) $^{2}$ . The half-filled orbitals are $π$ (2p $_{x}$ ) and $π$ (2p $_{y}$ ). Since it posses 2 unpaired electrons, it is Paramagnetic in nature.

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Subject: Physics Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

8 12358

Q:

How many letters of the word FAINTS, will their order in the word and that when the letters are arranged in the alphabetical order, remain the same?

A) Two	B) One
C) Three	D) Nil

Answer & Explanation Answer: A) Two

Explanation:

When the letters are arranged in the alphabetical order, two remains the same.

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Filed Under: Math Puzzles

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Q:

The number indicating the intensity of an earthquake on a Richter scale range between

A) 1 to 7	B) 1 to 9
C) 1 to 8	D) 1 to 12

Answer & Explanation Answer: B) 1 to 9

Explanation:

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Filed Under: World Geography

10 12355

Q:

Which device is required for the internet connection?

A) cd drive	B) modem
C) nic card	D) joystick

Answer & Explanation Answer: B) modem

Explanation:

The device required for the internet connection is a MODEM.

A modem (modulator–demodulator) is a network hardware device that modulates one or more carrier wave signals to encode digital information for transmission.

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Filed Under: Computer
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

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