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Q:

A capillary tube is partially dipped vertically in a vessel containing water. Due to capillarity  water rises in the tube. The height of water rise in the tube can be increased by 

A) decreasing the radius of the capillary tube B) increasing the radius of the capillary tube
C) increasing the height of water in the vessel D) None of these
 
Answer & Explanation Answer: A) decreasing the radius of the capillary tube

Explanation:

The water rise in a capillary tube dipped in water is such that the weight of water in the tube above the surface of water in the vessel is equal to (balances) the upward force due to surface tension. So it is clear that if the the bore (radius) to the tube is decreased, the height of the water column in it must be greater.  So, (a) is correct.

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Filed Under: Physics

Q:

How many such letters are there in the word BREAK each of which is  as far away from the beginning in the word as when they are arranged alphabetically within them?

A) One B) Two
C) Three D) More than three
 
Answer & Explanation Answer: A) One

Explanation:

When the letters of the word BREAK are arranged in alphabetical order we get the new order of the letters as follows:
A  B  E  K  R
Thus, the letter E satisfies this criteria. This is third in either case whether in the word or in the alphabetical order.

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Filed Under: Alphabet Test

Q:

Soils, which have undergone gleying and are associated with marshes , swamps or poorly drained upland are called ____

A) calcimorphous soils B) hydromorphic soils
C) halomorphic soils D) sierozems
 
Answer & Explanation Answer: B) hydromorphic soils

Explanation:
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Filed Under: World Geography

Q:

During Indian freedom struggle , a general strike jointly called by the Girni Kamgar Union and the Railway workers place in March, 1929 in bombay. This was actually in protest against ______

A) the congress acceptance of Domination Status to India as a desirable interim goal B) the visit to india of Whiteley commission on Labour
C) the Government's insistance on passing the Trade Disputes Bill through the Central Legislative Assembly D) the dismissal of workers who had taken part in the 1928 strikes
 
Answer & Explanation Answer: D) the dismissal of workers who had taken part in the 1928 strikes

Explanation:
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Filed Under: Indian History

Q:

During the Indian Freedom struggle, the Khudai Khidmatgars, also known as Red Shirts (Lal Kurtis) called for _____

A) the pathan nationalist unity and a struggle against colonialism B) the union of Pasthun tribal areas in north-west with the Afghanistan
C) the adoption of terrorist tactics and methods for terrorising and finally ousting the colonial rulers. D) the adoption of communist revolutionary ideology for political and social reform
 
Answer & Explanation Answer: A) the pathan nationalist unity and a struggle against colonialism

Explanation:
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Filed Under: Indian History

Q:

Which of the following policies of the financial sectors is basically designed to transfer local financial assets into foreign financial assets freely and at market determined exchange rates?

A) Capital Account Convertibility B) Financial Deficit Management
C) Mimimum Support Price D) Restrictive Trade Practices
 
Answer & Explanation Answer: A) Capital Account Convertibility

Explanation:
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Filed Under: Indian Economy

Q:

How would you automatically transfer your visitors to a new web page?

Answer

- You can do it with the help of meta tag mentioned below: 


<META HTTP-EQUIV="Refresh" CONTENT="2"; URL="https://www.yoursite.com"> 


- Place this tag between <HEAD></HEAD> . 


- It will load yousite.com in 2 seconds.

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Subject: Application Development

Q:

If I call performSelector:withObject:afterDelay: – is the object retained?

Answer

Yes the object is retained. It creates a timer that calls a selector on the current threads run loop. It may not be 100% precise time-wise as it attempts to dequeue the message from the run loop and perform the selector.

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Subject: Application Development