Q:

Rust forms when _____ reacts with chemicals in rocks.

A) Water	B) Oxygen
C) Nitrogen	D) Carbondioxide

Answer & Explanation Answer: B) Oxygen

Explanation:

Rust forms when oxygen reacts with chemicals in rocks, and that is often the case with many other elements in general. Like a copper nail being exposed to the air will rust.

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Q:

Which of the following is not a subatomic particle?

A) neutron	B) ion
C) electron	D) proton

Answer & Explanation Answer: B) ion

Explanation:

The particles which makes upon an atom are called subatomic particles. Electrons, protons and Neutrons that makes an atom are called subatomic particles.

Whereas,

An ion is an atom or group of atoms in which the number of electrons is different from the number of protons.

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Q:

Which Greek statesman is called 'the father of democracy'?

Answer

Pericles

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Subject: General Awareness

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Q:

What does the term Jim Crow refer to?

A) the civil rights movement of the mid-twentieth century	B) northern whites who sympathized with African Americans
C) African American politicians during Reconstruction	D) the system of racial segregation in the South after Reconstruction

Answer & Explanation Answer: D) the system of racial segregation in the South after Reconstruction

Explanation:

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Q:

The spring constant of a spring depends on its

A) length only	B) material only
C) length and its diameter	D) thickness, its diameter and its material

Answer & Explanation Answer: D) thickness, its diameter and its material

Explanation:

In dealing with a coil spring the spring constant will depend on the stiffness of the spring material, the thicknessof the wire from which the spring is wound and, diameterof the turns of the coil, the number of turns per unit length and the overall length of the spring.

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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

Energy produced in nuclear reaction is given by

A) Charle's law	B) Grahm's law
C) Gay - Lussac's law	D) Einstein's law

Answer & Explanation Answer: D) Einstein's law

Explanation:

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Q:

What value does read() return when it has reached the end of a file?

A) 1	B) -1
C) 0	D) None

Answer & Explanation Answer: B) -1

Explanation:

It returns -1

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Filed Under: Programming

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Q:

In the diagram, M is the midpoint of YZ, angle XMZ = 32°, and angle XYZ = 16°. The measure of angle XZY is:

A) 68°	B) 84°
C) 78°	D) 74°

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