IT Trainer Questions


Q:

Which of the following is not the member of class?

A) Virtual function B) Static function
C) Friend function D) Const function
 
Answer & Explanation Answer: C) Friend function

Explanation:
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19 10333
Q:

The modulus of elasticity for mild steel is approximately equal to

A) 210 kN/mm2 B) 100 kN/mm2
C) 80 kN/mm2 D) 10 kN/mm2
 
Answer & Explanation Answer: A) 210 kN/mm2

Explanation:

It is useful to have a property of a material that is independent of the size of the sample and can be use to compare its elastic properties with another - this is called the Modulus of Elasticity for the material.

The modulus of elasticity is defined as:

 

Modulus of elasticity = Stress / Strain

 

There are three types of moduli. They are :

(a) the Young Modulus - tensile and compression longitudinal stress

(b) the shear modulus - a shearing stress

(c) the bulk modulus - volume changes of the specimen.

 

mod-compressor1528180544.jpg image

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2 10234
Q:

Folder is to document as envelope is to

A) Money B) Articles
C) Letters D) Wires
 
Answer & Explanation Answer: C) Letters

Explanation:

We know that, a folder holds documents in the same way an envelope holds letters.

 

Hence, Folder : Document :: Envelope : Letter.

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3 10231
Q:

The absorption of ink by blotting paper involves

A) viscosity of ink B) diffusion of ink through the blotting
C) capillary action phenomenon D) siphon action
 
Answer & Explanation Answer: C) capillary action phenomenon

Explanation:

The absorption of ink by blotting paper involves capillary action phenomenon because the blotting paper is a thin and a smooth paper which allows a little thicker liquids like ink to absorb.

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11 10205
Q:

A UNION query is which of the following?

A) Combines the output from multiple queries and does not include the same number of columns. B) Combines the output from multiple queries and must include the same number of columns.
C) Combines the output from no more than two queries and does not include the same number of columns. D) Combines the output from no more than two queries and must include the same number of columns.
 
Answer & Explanation Answer: B) Combines the output from multiple queries and must include the same number of columns.

Explanation:

A UNION query combines the output from multiple queries and must include the same number of columns.

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Filed Under: SQL
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2 10176
Q:

Bhim has assembled a basket of fruit as a holiday gift for each of his friends- Santosh, Tarun, Ujjwal, and Varun. A total of fifteen pieces of fruits-five apples, five oranges and five pears are distributed among the four baskets according to the following conditions: Santosh , Tarun and Ujjwal will each receive exactly two different types of fruit. Varun will receive only apples. Tarun will receive more pieces of fruit than Santosh. Each basket includes at least three pieces of fruit.

1. If Varun’s basket contains more pieces of fruit than Tarun’s basket, then Tarun’s basket must contain:
I. Four pieces of fruit.
II. At least one orange.
III. At least one pear.

(a) I only   (b) III only    (c) Botha I and II   (d) Both II and III

 

2. If Ujjwal’s basket contains more pieces of fruit than Tarun’s basket, all of the following must be false EXCEPT:

(a) Only Varun will receive apple

(b) Varun will receive exactly four apple.

(c) Ujjwal will receive exactly two apple.

(d) Tarun will receive exactly four pear.

Answer

1. Answer (b)


Santosh , Ujjwal and Varun must each receive at least three pieces, but Tarun must receive at least four pieces. The maximum number of pieces that any person may receive is six ( 6 + 3+ 3+3 = 15 ), and only Tarun may receive six pieces. Ujjwal and Varun each may receive as many as five pieces, while Santosh may receive only four pieces at maximum.
At least one pear.


 


2. Answer (c)


Varun may receive no more than five pieces and Tarun may receive no fewer than four pieces. As a result, if Varun receives more pieces than Tarun, then Varun must receive five pieces, and Tarun must receive four pieces. Thus, statement (a) must be true. Since Varun will receive five pieces, none of the other three friends will receive any apple, accordingly, each of the other three friends must receive at least one orange and at least one pear. Thus, statement (b) and (d) must be true.

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Q:

The computer that process both analog and digital is called

A) Hybrid computer B) Mainframe computer
C) Digital computer D) Analog computer
 
Answer & Explanation Answer: A) Hybrid computer

Explanation:

The computer that process both analog and digital is called Hybrid computer.

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6 10059
Q:

Which entity owns ITIL now?

Answer

ITIL (Information Technology Infrastructure Library) is owned by Axelos since, 2013.

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