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Q:

A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat?

A) conduction and convection only B) conduction and radiation only
C) convection and radiation only D) conduction, convection and radiation
 
Answer & Explanation Answer: D) conduction, convection and radiation

Explanation:

Part of the heat is conducted away by the metal table. Convection currents in air near the surface of the coffee are set up which accounts for some heat loss. Heat is also lost by radiation from the hot coffee to the surroundings. Most of the heat is lost by the last method.

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Filed Under: Physics

5 4083
Q:

How many medals has been bagged by Indian athletes at World Dwarf Games 2017 ?

A) 34 B) 37
C) 39 D) 40
 
Answer & Explanation Answer: B) 37

Explanation:
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Filed Under: Sports
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank Clerk , Bank PO

5 4082
Q:

What are the basic components in a Microprocessor?

Answer

1. Address lines to refer to the address of a block


2. Data lines for data transfer


3. IC chips


4. Processing data

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Subject: Hardware

5 4082
Q:

Which monument is known as "The National Monument of India"?

A) India Gate B) Gateway of India
C) Raj Ghat D) Red fort
 
Answer & Explanation Answer: A) India Gate

Explanation:
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Filed Under: Famous Places

7 4081
Q:

Lakes formed due to marine deposits are

A) crater lakes B) cirque lakes
C) ox-bow-lakes D) lagoons
 
Answer & Explanation Answer: D) lagoons

Explanation:

Lagoons are formed along the coasts by the action of winds and waves. They are commonly found off the deltas of large rivers such as the Nile and Ganges.

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Filed Under: World Geography

1 4081
Q:

Which of the following is true of kinetochores?

A) They are the primary centrosome structures that maintain the attachment of the sister chromatids prior to mitosis. B) They are the sites at which microtubules attach to chromosomes.
C) They are located at the center of the centrosome and organize tubulin into spindle fibers. D) They cross at the cell's equator and move against each other, causing the cell to elongate.
 
Answer & Explanation Answer: B) They are the sites at which microtubules attach to chromosomes.

Explanation:

They are the sites at which microtubules attach to chromosomes.

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Filed Under: Biology
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2 4080
Q:

Pick out the only vector quantity

A) pressure B) impulse
C) gravitational potential D) co-efficient of friction
 
Answer & Explanation Answer: B) impulse

Explanation:
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Filed Under: Physics

5 4080
Q:

The longest ship canal in the world is the

A) Suez canal, Egypt B) Kiel canal, Germany
C) Panama canal, Central America D) St. Laurence Seaway (USA and Canada)
 
Answer & Explanation Answer: D) St. Laurence Seaway (USA and Canada)

Explanation:
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Filed Under: World Geography
Exam Prep: AIEEE , Bank Exams , CAT
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2 4079