Questions

Q:

Which scientist established the Law of Octaves?

A) John Newlands B) Antoine Lavoisier
C) Alfred Nobel D) Marie Curie
 
Answer & Explanation Answer: A) John Newlands

Explanation:

Law of Octaves states that "If the chemical elements are arranged according to increasing atomic weight, those with similar physical and chemical properties occur after each interval of seven elements." That is every 8th element have the same physical and chemical properties. This was established by the British scientist John Newlands in the year 1865.

Which_scientist_established_the_Law_of_Octaves1559374791.jpg image

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Q:

What is the term used in tennis when the score is 40-40?

A) Ace B) Led
C) Deuce D) Tie
 
Answer & Explanation Answer: C) Deuce

Explanation:

When both sides have won the same number of points then: when each side has won one, or two, points, the score is described as "15-all" and "30-all" (or "15-up" and "30-up"), respectively.

However, if each player has won three points, the score is called as "deuce", not "40–all". From that point on in the game, whenever the score is tied, it is described as "deuce", regardless of how many points have been played.

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Q:

What is Throughput, Turnaround time, waiting time and Response time?

Answer

Throughput : number of processes that complete their execution per time unit.

Turnaround time : amount of time to execute a particular process.

Waiting time : amount of time a process has been waiting in the ready queue.

Response time : amount of time it takes from when a request was submitted until the firstresponse is produced, not output (for time-sharing environment).

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Q:

Which Indian Pharmaceutical company has announced to acquire Roche's active, pharmaceutical ingredients business in Mexico? Rache is a well-known global pharmaceutical

A) Wockhardt B) Cipla
C) Dr Reddy's Lab D) Ranbaxy
 
Answer & Explanation Answer: C) Dr Reddy's Lab

Explanation:
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Q:

A gland below the bladder and surrounding the urethra?

A) Prostate B) Vas deferens
C) Seminal vesicle D) Bulbourethral
 
Answer & Explanation Answer: A) Prostate

Explanation:

The prostate gland is a walnut-sized structure that is located below the urinary bladder in front of the rectum. The prostate gland contributes additional fluid to the ejaculate. Prostate fluids also help to nourish the sperm. The urethra, which carries the ejaculate to be expelled during orgasm, runs through the center of the prostate gland.

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Q:

What handles can you not hold in your hand?

What handles can you not hold in your hand?

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Subject: Computer Exam Prep: Bank Exams

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Q:

Which of the following is a secondary air pollutant?

A) Acid rain B) SO2
C) CO2 D) Dust particles
 
Answer & Explanation Answer: A) Acid rain

Explanation:

Secondary pollutants include ozone, which is formed when hydrocarbons (HC) and nitrogen oxides (NOx) combine in the presence of sunlight.

 

Whereas Primary pollutant are those pollutants that are directly emitted from their sources, like CO2, CO, SO2 as these gases are directly emitted form burning of fossil fuels.

 

Acid rain, which is formed when sulfur dioxide or nitrogen oxides react with water, sulfuric acid etc.

 

Hence, Acidrain is a secondary air pollutant.

 

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Q:

What is the minimum velocity required for a rocket to overcome earth's gravity and travel into space?

A) 18 km/sec B) 11.2 km/sec
C) 21 km/sec D) 35 km/sec
 
Answer & Explanation Answer: B) 11.2 km/sec

Explanation:

This 11.2 km/s is also known as the escape velocity. It works out to roughly 25000miles per hour 

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