Q:

Most important weather phenomena occur in the

A) Troposphere	B) Stratosphere
C) Ionosphere	D) Thermosphere

Answer & Explanation Answer: D) Thermosphere

Explanation:

Most important weather phenomena occur in the layer of Thermosphere.

Most of the weather phenomenon occur in the layer of Troposphere.

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

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Q:

A copper wire of radius r and length lhas a resistance of R. A second copper wire with radius 2r and length lis taken and the two wires are joined in a parallel combination. The resultant resistance of the parallel combination of the two wires will be

A) 5 R	B) 5 R/4
C) 4 R/5	D) R/5

Answer & Explanation Answer: D) R/5

Explanation:

1st copper wire: R = pl/A = pl/ πr2

2ndcopper wire: R’ = p’l’/A’ = pl/(4 πr2) = R/4

If joined in parallel, (1/Req) = (1/R) + (1/R’)

= 1/R + 4/R1/Req= 5/R

Req= R/5

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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

Which statement correctly changes the next extent size?

A) ALTER TABLE customer MODIFY NEXT SIZE 300	B) ALTER TABLE customer MODIFY NEXT EXTENT SIZE 300
C) ALTER TABLE customer MODIFY EXTENT SIZE 300	D) ALTER TABLE customer NEXT SIZE 300

Answer & Explanation Answer: A) ALTER TABLE customer MODIFY NEXT SIZE 300

Explanation:

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Filed Under: IBM Certification

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Q:

Cholesterol belongs to which class of molecules?

A) Lipids	B) Carbohydrates
C) Nucleic acids	D) Proteins

Answer & Explanation Answer: A) Lipids

Explanation:

Cholesterol belongs to lipids class of molecules. Lipids are sometimes called as fats which act as storing energy and structural components of cell membranes.

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Filed Under: Biology
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Q:

What are the basic expansion card types?

Answer

The basic expansion card types in A+ Hardware certification are ISA and PCI, ISA these can be used only on XT, AT and ATX boards. The industry now considers ISA obsolate.

Workspace

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Subject: Hardware

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Q:

Which among the following forms of precipitation is different from the rest?

A) dew	B) fog
C) mist	D) hail

Answer & Explanation Answer: D) hail

Explanation:

While dew , fog and mist are formed due to condensation of vapour into water drops, hail falls from the clouds in the form of hard pellets of ice.

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Filed Under: World Geography

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Q:

The wing of a bat and the wing of a bird are the examples of ______ limbs.

A) Homogenous	B) Heterogeneous
C) Analogous	D) Homologous

Answer & Explanation Answer: C) Analogous

Explanation:

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Filed Under: Animals and Birds
Exam Prep: AIEEE , Bank Exams

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Q:

How do you stay up to date with fashion?

Answer

Designers stay current by reading magazines, browsing the internet, attending fashion shows, and studying technical manuals. They study the history of fashion to better understand its development and current tendencies.

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