Questions

Q:

In economics, the cost of something is

A) the dollar amount of obtaining it B) what you give up to get it
C) often impossible to quantify, even in principle D) always measured in units of time given up to get it
 
Answer & Explanation Answer: B) what you give up to get it

Explanation:

In economics, the cost of something is what you give up to get it.

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Q:

Atoms of the same element can differ in

A) Atomic number B) Atomic mass
C) electrons D) None of the above
 
Answer & Explanation Answer: B) Atomic mass

Explanation:

Atoms of the same element can have same atomic number and number of electrons since, the atomic number is the number of protons and the number of protons and eectrons are the same in an element.

 

Hence, the atoms of the same element may differ in their atomic mass since it depends on the number of neutrons it holds and such atoms are called isotopes.

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Q:

Which one of the following elements is used as a timekeeper in atomic clocks?

A) Potassium B) Caesium
C) Calcium D) Magnesium
 
Answer & Explanation Answer: B) Caesium

Explanation:

When exposed to certain frequencies of radiation, such as radio waves, the subatomic particles called electrons that orbit an atom's nucleus will "jump" back and forth between energy states. Clocks based on this jumping within atoms can therefore provide an extremely precise way to count seconds.It is no surprise then that the international standard for the length of one second is based on atoms. Since 1967, the official definition of a second is 9,192,631,770 cycles of the radiation that gets an atom of the element called caesium to vibrate between two energy states.

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Filed Under: Chemistry
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Q:

The idea of cache memory is based on___.

A) on the heuristic 90-10 rule B) on the property of locality of reference
C) on the fact that references generally tend to cluster D) All options are correct
 
Answer & Explanation Answer: B) on the property of locality of reference

Explanation:
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Q:

Blisters are a sign of which classification of burn?

A) First-degree B) Second-degree
C) Third-degree D) Fourth-degree
 
Answer & Explanation Answer: B) Second-degree

Explanation:

Burns are classified into 4 degrees. They are ::

 

1. First-degree (superficial) burns. First-degree burns affect only the epidermis, or outer layer of skin.

2. Second-degree (partial thickness) burns. Second-degree burns involve the epidermis and part of the dermis layer of skin.

3. Third-degree (full thickness) burns.

4. Fourth-degree burns.

 

Blisters are a sign of Second-degree burns.

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Filed Under: General Science
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Q:

Who is the committee head of the merger of the public sector banks?

A) Raghuram Rajan  B) Bimal Jalan 
C) Arun Jaitley D) YV Reddy
 
Answer & Explanation Answer: C) Arun Jaitley

Explanation:

The finance minister of india, Mr arun jaitley is the committee head of the merger of the public sector banks.

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Filed Under: General Awareness
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Q:

Read the passage carefully and choose the best answer to each question out of the four alternatives and click the button corresponding to it.

The Alaska pipeline starts at the frozen edge of the Arctic Ocean. It stretches southward across the largest and northernmost state in the United States, ending at a remote ice-free seaport village nearly 800 miles from where it begins. It is massive in size and extremely complicated to operate. The steel pipe crosses windswept plains and endless miles of delicate tundra that tops the frozen ground. It weaves through crooked canyons, climbs sheer mountains, plunges over rocky crags, makes its way through thick forests, and passes over or under hundreds of rivers and streams. The pipe is 4 feet in diameter, and up to 2 million barrels (or 84 million gallons) of crude oil can be pumped through it daily. Resting on H-shaped steel racks called "bents", long sections of the pipeline follow a zigzag course high above the frozen earth. Other long sections drop out of sight beneath spongy or rocky ground and return to the surface later on. The pattern of the pipeline's up-and-down route is determined by the often harsh demands of the arctic and subarctic climate, the tortuous lay of the land, and the varied compositions of soil, rock, or permafrost (permanently frozen ground). A little more than half of the pipeline is elevated above the ground. The remainder is buried anywhere from 3 to 12 feet, depending largely upon the type of terrain and the properties of the soil. One of the largest in the world, the pipeline cost approximately $8 billion and is by far the biggest and most expensive construction project ever undertaken by private industry. In fact, no single business could raise that much money, so 8 major oil companies formed a consortium in order to share the costs. Each company controlled oil rights to particular shares of land in the oil fields and paid into the pipeline-construction fund according to the size of its holdings. Today, despite enormous problems of climate, supply shortage, equipment breakdowns, labour disagreements, treacherous terrain, a certain amount of mismanagement, and even theft, the Alaska pipeline has been completed and is operating.


How was the fund for pipeline - construction generated?

A) 8 major oil companies joined hands to share the cost B) 8 major oil companies borrowed $8 billion.
C) A single private company raised $8 billion D) Oil rights were sold to 8 major oil companies
 
Answer & Explanation Answer: A) 8 major oil companies joined hands to share the cost

Explanation:
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Q:

Four statements are given below at A, B, C and D. There may be some errors in the given statement(s). The incorrect statement is your answer.

A) The Trump administration is intensifying its effort to crack down the so-called sanctuary cities that refuse to comply with federal immigration authorities. B) Efforts were intensified by the Trump administration to crack down the sanctuary cities that refused to comply with federal immigration authorities.
C) The so-called sanctuary cities that refused to abide by the federal immigration authorities will be cracked down by the intensified efforts of the Trump administration. D) Federal immigration authorities must be complied into by sanctuary cities if the efforts of the Trump Administration must be intensified.
 
Answer & Explanation Answer: D) Federal immigration authorities must be complied into by sanctuary cities if the efforts of the Trump Administration must be intensified.

Explanation:

We have to find the incorrect statement. All the sentences except D have been correctly structured. In option D, the phrase ‘complied into by’ is incorrect. You "comply with" a rule or a law and not by cities.

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Filed Under: English
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