Q:

The taper on the lathe spindle is

A) 1 in 10	B) 1 in 20
C) 1 in 15	D) 1 in 25

Answer & Explanation Answer: B) 1 in 20

Explanation:

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Q:

In a bipolar junction transistor

A) all the three regions (the emitter, the base and the collector) have equal concentrations of impurity	B) the emitter has the least concentration of impurity
C) the collector has the least concentration of impurity	D) the base has the least concentration of impurity

Answer & Explanation Answer: D) the base has the least concentration of impurity

Explanation:

In terms of concentration of impurity (a.k.a impurity doping concentration, often abbreviated to doping concentration), from the highest to the lowest among the three regions of a bipolar junction, emitter, collector, and base are the correct order. The above order is independent of the type of BJT, npn or pnp

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Filed Under: Physics
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Q:

Which airport is the busiest airport in the world?

A) Hyderabad	B) London
C) Newyork	D) Dubai

Answer & Explanation Answer: D) Dubai

Explanation:

Dubai airport is the busiest airport in the world.

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Filed Under: General Awareness
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Q:

What branch of government is responsible for interpreting laws?

A) legislative	B) executive
C) judicial	D) All of the above

Answer & Explanation Answer: C) judicial

Explanation:

The legislative branch passes laws. The executive branch enforces laws. The judicial branch interprets laws.

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Q:

German Silver contains

A) 100% pure silver	B) 10% silver
C) 1% silver	D) 0% silver

Answer & Explanation Answer: D) 0% silver

Explanation:

German Silver is an alloy of copper, nickel and zinc. It is composed of 60% copper, 20% nickel and 20% zinc. Due to its white-silverish appearance it is named as german silver but it contains no silver in it.

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Filed Under: Chemistry
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Q:

Improve the bracketed part of the sentence.
By rescuing the child from fire, the local resident (added another feather to his cap.)

A) made a significant achievement	B) was gifted with precious thing
C) was crowned and rewarded	D) No improvement

Answer & Explanation Answer: A) made a significant achievement

Explanation:

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Filed Under: English

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Q:

Which was true of Pullman porters in the 1920s?

A) The porters could not start a union because it was illegal.	B) The porters needed a union because they were not treated well.
C) The porters did not need a union because they made good money.	D) The porters could not start a union because they were African American.

Answer & Explanation Answer: B) The porters needed a union because they were not treated well.

Explanation:

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Filed Under: World History
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Q:

Who becomes world's No.1 ranked boxer in latest AIBA Rankings ?

A) Mary Kom	B) Muhammad Ali
C) Sindhu	D) All of the above

Answer & Explanation Answer: A) Mary Kom

Explanation:

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