General Knowledge 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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Q:

Name the malicious software that affected various computers recently in may 2017, and restricted users to access it until a ransom is paid to unlock it  ?

A) Bitcoinware B) Captiveware
C) Pay-offware D) Ransomware
 
Answer & Explanation Answer: D) Ransomware

Explanation:
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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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Q:

Systems running more than one process concurrently are called ______________

A) Multiprocessing B) Multiprogramming
C) Real time D) Batch processing
 
Answer & Explanation Answer: B) Multiprogramming

Explanation:
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Q:

Study of fishes is called

A) Amphiology B) Phylumology
C) Zoology D) Ichthyology
 
Answer & Explanation Answer: D) Ichthyology

Explanation:

Ichthyology is the branch of biology devoted to the study of fish.

 

It is also known as Fish science which includes bony fishes (Osteichthyes), cartilaginous fish (Chondrichthyes), and jawless fish (Agnatha).

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Q:

Modem is used mostly for ?

A) A modern empty memory modules B) Connecting to internet
C) Mostly for file system D) All the above
 
Answer & Explanation Answer: B) Connecting to internet

Explanation:

A modem is nothing but short for Modulator and Demodulator. It is used mostly for connecting to the internet.

A modem is a device or program that enables a computer to transmit data over, for example, telephone or cable lines. Computer information is stored digitally, whereas information transmitted over telephone lines is transmitted in the form of analog waves.

 

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Q:

The world's tallest twisted tower is ?

A) Tokyo Sky Tree B) BREN Tower
C) Burj Khalifa D) Infinity Tower
 
Answer & Explanation Answer: D) Infinity Tower

Explanation:

The world's tallest twisted tower, the Infinity Tower was launched in Dubai Marina on 10 June 2013.

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Q:

Foam brightens like the dogwood now is an example of

A) a metaphor B) consonance
C) a simile D) alliteration
 
Answer & Explanation Answer: C) a simile

Explanation:

A simile is a figure of speech in which two different things are compared using like or as words.

 

Here in the given sentence, Foam brightens like the dogwood foam's brightness is compared to dogwood. Hence, it is a simile.

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Filed Under: English
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