Questions

Q:

Which forms the largest portion of the coxal bone?

A) Ilium B) Ischium
C) Pubis D) None of the above
 
Answer & Explanation Answer: A) Ilium

Explanation:

Which_forms_the_largest_portion_of_the_coxal_bone1553512529.jpg image

 

The three parts of the coxal bone are

1. Ilium

2. Ischium

3. Pubis

Ilium forms the largest portion of the coxal bone or hip bone.

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Filed Under: Biology
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Q:

When were blue jeans invented?

A) 1900s B) 1850s
C) 1860s D) 1870s
 
Answer & Explanation Answer: C) 1860s

Explanation:
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Filed Under: Inventions

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Q:

Under which conditions are gases most soluble in water?

A) low pressure and low temperature B) low pressure and high temperature
C) high pressure and low temperature D) high pressure and high temperature
 
Answer & Explanation Answer: C) high pressure and low temperature

Explanation:

Henry's Law tells that the solubility of a gas is directly proportional to the partial pressure of the gas above the solvent. Hence under high pressure, more gas is dissolved.

Also that Henry's Law involves a constant which is temperature-dependent. Under high temperatures, less gas is dissolved whereas under low temperatures, more gas is dissolved.

 

For Example ::  

You can think of a can of soda. The contents are under pressure and if you shake the can before opening, the soda fizzes out all over as you open it. So the higher the pressure, the more gas or more CO2 can be dissolved in the drink.

Eliminate choices 1 and 2. Now focus on the temperature. Soda goes flat (loses carbonation or gas) as it warms up. Soda is usually served cold because more of the carbonation or CO2 stays in the drink when the soda is cold.

 

Hence, in high pressure and low temperature conditions gases are most soluble in water.

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Filed Under: Chemistry
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1 5987
Q:

What is the type of the algorithm used in solving the 8 Queens problem ?

A) Dynamic Programming B) BackTracking
C) Branch and Bound D) None
 
Answer & Explanation Answer: B) BackTracking

Explanation:

BackTracking is used for solving N-Queens problem

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Filed Under: Software Testing

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Q:

Which is the first Indian company to be listed on NASDAQ ?

A) Reliance B) TCS
C) HCL D) Infosys
 
Answer & Explanation Answer: D) Infosys

Explanation:
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Filed Under: General Awareness
Exam Prep: Bank Exams
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Q:

What are set up time & hold time constraints? What do they signify? Which one is critical for estimating maximum clock frequency of a circuit?

Answer

Suppose your flip-flop is positive edgetriggered. time for which data should be stable prior to positive edge clock is called setup is called setup time constraint.


Time for which data should be stable after the positive edge of clock is called as hold time constraint.


If any of these constraints are violate d then flip-flop will enter in meta stable state, in which we cannot determine the output of flip-flop.


there are two equation:


1. Tcq + Tcomb > Tskew + Thold


2. Tcq + Tcomb > Tskew + T - Tsetup


Tcq is time delay when data enters the flip flop and data comes at output of flip flop.


Tcomb is the logic delay between two flip flop.


Tskew is the delay of clock to flip flop: suppose there are two flip flop, if clock reaches first to source flip flop and then after some delay to destination flip flop, it is positive skew and if vice versa then negative  skew. 


so if you take 2 eq you will see that setup time is the determining factor of clock's time period.

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Subject: Hardware

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Q:

who was the first non-human to win an Oscar?

A) Pussycat B) Mickey Mouse
C) Ninja D) Bender
 
Answer & Explanation Answer: B) Mickey Mouse

Explanation:

Mickey Mouse was the first non-human to win an Oscar in 1932.

Walt Disney won the first of his many Oscars for the creation of Mickey Mouse.

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Filed Under: Honours and Awards
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Q:

Puzzle : Blueberries and Cups

Maria have some blueberries and some cups. If she put 9 blueberries into each cup she will have two cups left. If she put 6 blueberries into each cup she will have three blueberries left over.

Answer

The number of blueberries is equal to number of cups multiplied by 4 minus one left.


That is :


      B = 9(C - 2) -> (1)


Then the number of blueberries will be equal to the number of cups times three plus one left.


That is :


      B = 6C + 3 -> (2)


Now substitute the 1st and 2nd equations:


      B = 9(C - 2)


      B = 6C + 3


      C = 7, B = 45.


Therefore Blueberries = 45 and cups = 7.

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Subject: Math Puzzles

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