Q:

One method by which the components of air can be seperated is

A) shaking with caustic soda solution	B) shaking with water
C) fractional distillation of liquid air	D) passing air over heated magnesium

Answer & Explanation Answer: C) fractional distillation of liquid air

Explanation:

The two main components of air are nitrogen and oxygen. They are seperated by the fractional distillation of liquid air. Liquefied air contains liquid nitrogen and liquid oxygen. Liquid nitrogen with the lower boiling point more readily evaporates than the less volatile liquid oxygen.

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Filed Under: Chemistry

6 5184

Q:

Islets of Langerhans are present in

A) Kidney	B) Liver
C) Pancreas	D) Trachea

Answer & Explanation Answer: C) Pancreas

Explanation:

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Filed Under: Biology

11 5182

Q:

The schedule performance index (SPI) is calculated as

A) Planned Value (PV) divided by Earned Value (EV)	B) Earned Value(EV) divided by Planned Value (PV)
C) Project duration divided by Earned Value divided by Planned Value (Duration/(EV/PV))	D) Earned Value (EV) minus Planned Value (PV)

Answer & Explanation Answer: B) Earned Value(EV) divided by Planned Value (PV)

Explanation:

Answer A is reversed. Answer C is sometimes mistakenly used to forecast project completion (it’s invalid because it does not take into consideration which completed tasks are on the critical path). Answer D is the definition of Schedule Variance.

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Filed Under: PMP Certification

0 5182

Q:

"It shall be the duty of every citizen of india to protect and improve the natural environment."This Statement refers to which of the following Articles of the Constitution of India?

A) Article 50-A	B) Article 50-B
C) Article 51-A	D) Article 51-B

Answer & Explanation Answer: C) Article 51-A

Explanation:

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Filed Under: Indian Politics

10 5181

Q:

What is seismic zone extending at an angle of about 45 degrees from the base of an ocean trench, down through lithosphere to the asthenosphere known as

A) Appleton layer	B) Benioff zone
C) Conard discontinuity	D) Convergence zone

Answer & Explanation Answer: B) Benioff zone

Explanation:

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Filed Under: World Geography

1 5180

Q:

Which is the folk dance of Andhra Pradesh?

A) Kolattam	B) Karakattam
C) Lavani	D) Saturi

Answer & Explanation Answer: A) Kolattam

Explanation:

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Filed Under: Indian Culture

62 5179

Q:

Legacy data is which of the following?

A) Data contained in a newly-installed system	B) Data rejected during the installation of a new system
C) Data contained in a file system	D) Data contained by a system used prior to the installation of a new system

Answer & Explanation Answer: D) Data contained by a system used prior to the installation of a new system

Explanation:

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Filed Under: Database

2 5177

Q:

Which of the following DB2 data types CANNOT be used to contain the date an employee was hired?

A) CLOB	B) TIME
C) VARCHAR	D) TIMESTAMP

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