Questions

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 3478
Q:

Match the following:

A) A­4, B­1, C­3, D­2 B) A­3, B­2, C­4, D­1
C) A­2, B­3, C­1, D­4 D) A­1, B­4, C­2, D­3
 
Answer & Explanation Answer: A) A­4, B­1, C­3, D­2

Explanation:
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Filed Under: Indian History

11 3475
Q:

The Governament of India has decided to declare which of the following rivers as ' national River '

A) Ganga B) Yamuna
C) Kaveri D) None of these
 
Answer & Explanation Answer: A) Ganga

Explanation:
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Filed Under: Indian History

2 3474
Q:

A fixture is defined as a device which

A) is used to check the accuracy of workpiece B) holds and locates a workpiece and guides and controls one or more cutting tools
C) holds and locates a workpiece during an inspection or for a manufacturing operation D) All of the above
 
Answer & Explanation Answer: B) holds and locates a workpiece and guides and controls one or more cutting tools

Explanation:

A_fixture_is_defined_as_a_device_which1551357222.jpg image

A fixture is defined as a device which holds and locates a workpiece and guides and controls one or more cutting tools.

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

1 3474
Q:

Which of the following is a nucleotide found in DNA?

A) Deoxyribose + Phosphate Group + Polymerase B) Adenine + Phosphate Group + Thymine
C) Deoxyribose + Phosphate Group + Thymine D) Cytosine + Phosphate Group + Uracil
 
Answer & Explanation Answer: C) Deoxyribose + Phosphate Group + Thymine

Explanation:

We know that, the nucleotide in DNA is of the form deoxyribose + phosphate group + polymerase.

 

Which_of_the_following_is_a_nucleotide_found_in_DNA1553496102.jpg image

 

Hence, Deoxyribose + Phosphate Group + Thymine is the only option in that form of nucleotide in DNA.

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

3 3474
Q:

What is the measurement at remote distances by means of a radio -link from the object to the ground called?

Answer

Telemetry

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Subject: General Science

12 3472
Q:

The main buffer system of the human blood is

A) H2CO3 B) H2SO4
C) CO2 D) O3
 
Answer & Explanation Answer: A) H2CO3

Explanation:

the_main_buffer_system_of_the_human_blood_is1556690852.jpg image

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

4 3471
Q:

Select the antonym of

void

 

A) destitute B) scant
C) bereft D) adequate
 
Answer & Explanation Answer: D) adequate

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

0 3470