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Q:

OSI Reference Model provides a framework for discussing network operations and design

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

It provides a framework for discussing network operations and design

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Subject: Networking
Job Role: Database Administration

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Q:

When two similar sources vibrate with slightly different frequencies , a regular rise and fall occurs in the loudness of tone. This phenomenon is known as 

A) doppler effect B) beats
C) resonance D) echo
 
Answer & Explanation Answer: B) beats

Explanation:

Beats means the periodic increase and decrease in loudness heard when two notes of nearly the same frequency are sounded simultaneously.

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Filed Under: Physics

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Q:

How many Teaspoons in a Tablespoon?

A) 4 B) 5
C) 2 D) 3
 
Answer & Explanation Answer: D) 3

Explanation:

Tablespoon > Teaspoon

In US & UK, 1 Tablespoon = 3 Teaspoons.

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Filed Under: General Science
Exam Prep: AIEEE , Bank Exams , GRE , TOEFL
Job Role: Analyst , Bank Clerk , Database Administration , IT Trainer

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Q:

Which is highest dam in world ?

Answer

Jinping-I Dam  in China at 305 m (1,001 ft) high

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Subject: Longest, Shortest, Deepest

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Q:

Who Invented Piano ?

A) Bartolomeo Cristofori di Francesco B) Ruth Graves Wakefield
C) Adolf Gaston Eugen Fick D) Jacques Cousteau
 
Answer & Explanation Answer: A) Bartolomeo Cristofori di Francesco

Explanation:
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Filed Under: Inventions

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Q:

Great Mosque of Cordoba is located in which country?

A) Colombia B) Spain
C) Argentina D) Chile
 
Answer & Explanation Answer: B) Spain

Explanation:
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Filed Under: Famous Places

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Q:

Dimond is

A) an element B) a compound
C) a mixture D) a liquid
 
Answer & Explanation Answer: A) an element

Explanation:
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Filed Under: Chemistry

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Q:

A mixture of ethyl alcohol  and water can be seperated  by 

A) evaporation B) sublimation
C) using a seperating funnel D) fractional distillation
 
Answer & Explanation Answer: D) fractional distillation

Explanation:

Fractional distillation is the process of seperation of a mixture of two or more liquids into the different fractions, which differ fairly widely in their boiling points. The liquid with a lower boiling point will be vaporized first and hence would be the distillate (first fraction). Eg. Ethyl alcohol has a boiling point of 78.10C and water 1000C. When a mixture of these two liquids is heated, alcohol vaporizes first and is collected separately as the distillate. 

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Filed Under: Chemistry

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