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Q:

A wire of copper having length I and area of cross-section A is taken and a current / is flown through it. The power dissipated in the wire is P. If we take an aluminium wire having same dimensions and pass the same current through it, the power dissipated will be

A) P B) < P
C) > P D) 2P
 
Answer & Explanation Answer: C) > P

Explanation:

Aluminum has a resistivity varying from 2.65 to 2.82 × 10−8 Ω m.The resistivity of copper is generally given as: 1.72 x 10-8 Ω.m.So, since resistivity of aluminium is higher than that of copper, so Power dissipated will be greater than P. this is because rest of the factors (l, A and i) are constant.

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Filed Under: Physics
Exam Prep: Bank Exams

1 2163
Q:

The basic structural unit of the body is the

A) Organs B) Cell
C) Nerve D) Brain
 
Answer & Explanation Answer: B) Cell

Explanation:

Cells are the the basic structural unit of the body.

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Filed Under: General Science
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

5 2163
Q:

Removal of oil and grease from sewage [waste water]

A) Skimming B) Filtration
C) Screening D) None of the above
 
Answer & Explanation Answer: A) Skimming

Explanation:

Skimming is the removal of any material or particles that are floating on the surface. Hence, Removal of oil and grease from sewage - waste water is called as skimming.

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

4 2162
Q:

Project Integration Management - Processes

Describe the Inputs, Tools and Techniques, Outputs of Develop Preliminary Project Scope Statement phase?

Answer

I. Inputs



  • Project Charter

  • Project Statement of work

  • Enterprise environmental factors

  • Organizational process assets


II. Tools and Techniques



  • Project management methodology

  • Project management information system

  • Expert Judgment


III. Outputs



  • Preliminary project scope statement 

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Subject: PMP Certification

0 2162
Q:

The Last Supper is an immortal paintings of 

A) Michael Angelo B) Leonardo Da Vinci
C) Raphael D) Andrea del sarto
 
Answer & Explanation Answer: B) Leonardo Da Vinci

Explanation:
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Filed Under: World History

0 2162
Q:

Point out the error, if any, in the following program.

main()

{

    int a = 10;

    void f();

    a = f();

    printf ( "\n %d", a );

}

void f()

{

    printf ( "\n Hi ");

}

Answer

In spite of defining the function f() as returning void, the program is trying to collect the value returned by f() in the variable a.

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Subject: Programming

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Q:

A yellow element that stinks when burned

A) Bromine B) Sulphur
C) Chlorine D) Fluorine
 
Answer & Explanation Answer: B) Sulphur

Explanation:

A yellow element that stinks when burned is Sulphur.

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , GATE
Job Role: Analyst , Bank Clerk , Bank PO

1 2161
Q:

In which year ,UN general Assembly terminated South Africa's mandate over Namibia

A) 1968 B) 1966
C) 1969 D) 1965
 
Answer & Explanation Answer: B) 1966

Explanation:
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Filed Under: World Organisations

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