Questions

Q:

Carbon Arc lamps are commonly used in

A) cinema projectors B) photography
C) vehicles D) domestic lighting
 
Answer & Explanation Answer: A) cinema projectors

Explanation:

The carbon arc lamp was the first widely-used type of electric light and the first commercially successful form of electric lamp.

carbon_arc_lamps_are_commonly_used_in1562825984.jpg image

Here are the Carbon Arc Lamp Uses :


-Super bright light, capable of lighting a large length of street or a large factory interior.

-Was the ONLY electric light available to light large areas from 1800 - 1901.

-Was cheaper to light streets with the arc lamp than gas or oil lamps.

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Q:

Answer the Following Puzzle.

Number Puzzles Questions and Answers

A) 16 B) 13
C) 97 D) 56
 
Answer & Explanation Answer: B) 13

Explanation:

In each circle, starting at the  top left segment ,numbers increase, as you move clockwise,by 2 for the upper left circle,3 for the upper right, 4 for the lower right and 5 for the lower left

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Q:

 Stored procedures have which of the following advantages?

A) It takes a longer time to write them as compared to writing Visual Basic. B) Data integrity improves as multiple applications access the same stored procedure.
C) Network traffic increases D) Result in thicker client and thinner database server.
 
Answer & Explanation Answer: B) Data integrity improves as multiple applications access the same stored procedure.

Explanation:
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Q:

A research team of 6 people is to be formed from 10 chemists,5 politicians, 8 economists and 15 biologists.How many teams have atleast 5 chemists?

A) 7350 B) 6400
C) 6379 D) 7266
 
Answer & Explanation Answer: D) 7266

Explanation:

10C5 x 28C1 x 10C6 = 7266

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Q:

Select the correct statement about the Evolution of Animals.

A) The oldest generally accepted fossils of large animals range in age from 565 to 550 million years old. B) No animal fossils are found in strata formed before the Cambrian explosion.
C) Approximately half the phyla of living organisms are found in Cambrian sediments. D) All the above
 
Answer & Explanation Answer: A) The oldest generally accepted fossils of large animals range in age from 565 to 550 million years old.

Explanation:

The oldest generally accepted fossils of large animals range in age from 565 to 550 million years old.

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Q:

Nucleus of Hydrogen atom consists of

A) 2 protons only B) 2 neutrons only
C) 1 proton only D) 1 electron only
 
Answer & Explanation Answer: C) 1 proton only

Explanation:

The nucleus of hydrogen consists of only a single proton.

Its parts are a single negatively-charged electron that circles a single positively-charged nucleus of the hydrogen atom.

The electron is bound to the nucleus by the Coulomb force.

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Q:

What cannot be performed from the windows task manager?

A) Open a program B) Check recent CPU usage
C) Delete a program from the hard drive D) View what applications are running in the background
 
Answer & Explanation Answer: C) Delete a program from the hard drive

Explanation:

The task manager enables you to monitor processes, applications and services currently running on your computer. You can use it to start and stop programs and processes. In addition, you can use the task manager to show informative stats about your PC’s performance and network.

 


Hence, to delete a program from the hard drive, you have to go to the control panel to uninstall an application properly.

 

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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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