Questions

Q:

Rolling friction is caused by ____ from the following?

A) Non-elastic effects B) Gravity
C) Power dissipation D) Buoyancy
 
Answer & Explanation Answer: A) Non-elastic effects

Explanation:

Rolling friction or rolling drag is the force resisting the motion when a body rolls on a surface. It is mainly caused by non-elastic effects, that is, not all the energy needed for deformation of the wheel, roadbed, etc... is recovered when the pressure is removed.

Another cause of rolling resistance lies in the slippage between the wheel and the surface, which dissipates energy.

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Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
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10 4998
Q:

Iam looking to estimate the cost on a project, but I don't want to spend a lot of time on a  detailed analysis. I really want a ballpark figure. What options do I have?

A) None - Cost estimating requires details to be accurate B) Use the cost of similar projects
C) Use a rule-of-thumb or per-square-foot estimate D) Add up the costs on the WBS
 
Answer & Explanation Answer: B) Use the cost of similar projects

Explanation:

Although it is less accurate than adding up individual costs from the WBS, it is less time consuming. The trade-off is accuracy. Answer A is incorrect because to do a more accurate cost estimate, you need to delve into details. Answer C is tempting also, and possible, except we don't really know if the project in question can use perametric modeling . Answer D is incorrect because it takes the most time, but it is most accurate.

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Filed Under: PMP Certification

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Q:

What goes up and down the stairs without moving?

A) Umbrella B) Lift
C) Stairs D) All the above
 
Answer & Explanation Answer: C) Stairs

Explanation:

Those are stairs which goes up and down without moving.

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Q:

In which Ocean is the Christmas Island located?

A) Pacific Ocean B) Indian Ocean
C) Arctic Ocean D) Antarctic Ocean
 
Answer & Explanation Answer: B) Indian Ocean

Explanation:

It is located in Indian Ocean

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Filed Under: World Geography

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Q:

In computer short cut keys, F4 key is used to

A) To display the items in the active list B) To display help
C) To display system properties dialog box D) To display desktop
 
Answer & Explanation Answer: A) To display the items in the active list

Explanation:

To display the items in the active list.

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Filed Under: Computer
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11 4995
Q:

Which Indian city is named after the snake Anantha of Lord Vishnu?

A) Trivandrum B) Tiruchirappalli
C) Tanjavore D) Vellore
 
Answer & Explanation Answer: A) Trivandrum

Explanation:

Thiruvananthapuram also known as Trivandrum, is the capital and the largest city of the Indian state of Kerala is named after the snake Anantha of Lord Vishnu.

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Q:

The Yarlung Zangbo river in India is known as

A) Godavari B) Brahmaputra
C) Ganga D) Indus
 
Answer & Explanation Answer: B) Brahmaputra

Explanation:

The Yarlung Zangbo river in India is known as Brahmaputra. The river Brahmaputra in China is called Yarlung Tsangpo or Yarlung Zangbo river. In Assam and Arunachal Pradesh it is called Lohit or luit meaning blood.

the_yarlung_zangbo_river_in_india_is_known_as1560848958.jpg image 

The Brahmaputra is one of the major rivers of Asia, a trans-boundary river which flows through China, India and Bangladesh.

 

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Filed Under: Indian Geography
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7 4990
Q:

Which one of the following can be oxidised to the corresponding carbonyl compound:

A) 2-methyl-2-hydroxy propane B) 2-hydroxy propane
C) o-Nitrophenol D) Phenol
 
Answer & Explanation Answer: B) 2-hydroxy propane

Explanation:
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Filed Under: Chemistry
Exam Prep: AIEEE

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