Questions

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:

The English King who was prepared to exchange his kingdom for a horse was

Answer

Richard III

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Subject: World History

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Q:

What group of animals is called a congress?

A) Lions B) Baboons
C) Tigers D) Sheep
 
Answer & Explanation Answer: B) Baboons

Explanation:

what_group_of_animals_is_called_a_congress1538029838.jpg image

Group of baboons together is called a congress.

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Filed Under: General Awareness
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Q:

Which of the following is not an aerosol?

A) mud B) dust
C) smoke D) fog
 
Answer & Explanation Answer: A) mud

Explanation:

Among the given options, mud is not an aerosol.

 

An aerosol is a suspension of fine solid particles or liquid droplets, in the air or another gas. Aerosols can be natural or anthropogenic. Examples of natural aerosols are fog, dust, forest exudates and geyser steam. Examples of anthropogenic aerosols are haze, particulate air pollutants, and smoke.

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Filed Under: Physics
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Q:

The act of violating the sanctity of the church is called Sacrilege.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

The act of violating or misuse of what is regarded as sacred i.e, like the sanctity of the church is called Sacrilege.

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Subject: English
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Q:

 A supertype/subtype hierarchy has which of the following features?

A) Subtypes at the lower lever in the hierarchy inherit attributes only from their immediate supertype. B) Subtypes at the higher lever in the hierarchy inherit attributes only from their immediate subtype.
C) Attributes are assigned at the highest logical level. D) Attributes are assigned at the lowest logical level.
 
Answer & Explanation Answer: C) Attributes are assigned at the highest logical level.

Explanation:
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Filed Under: Database

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Q:

Which reaction occurs spontaneously?

A) Cl2(g) + 2NaF(aq)--> F2(g) + 2NaCl(aq) B) I2(s) + 2NaF(aq)--> F2(g) + 2NaI(aq)
C) Cl2(g) + 2NaBr(aq)-->Br2(l) + 2NaCl(aq) D) I2(s) + 2NaBr(aq)--> Br2(l) + 2NaI(aq)
 
Answer & Explanation Answer: C) Cl2(g) + 2NaBr(aq)-->Br2(l) + 2NaCl(aq)

Explanation:

In this chemical reaction chlorine change oxidation number from 0 to -1 (reduction) and bromine change oxidation number from -1 to 0 (oxidation).

Chlorine is stronger oxidation reagent than bromine.

In VIIA or group 17 (halogen elements) there are six elements: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), astatine (At) and tennessin(Ts).

They have high electronegativity because they have seven valence electrons in their outermost energy level, so they can gain an electron to have the octet rule.  

Going down in the group, element are weaker oxidazing reagent and less reactive.

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Filed Under: Chemistry
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Q:

A cyclist leans inwards when he is negotiating a curve so that

A) he may increase his speed B) his weight may be reduced
C) necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. D) no frictional force may be produced between the wheels and the axle
 
Answer & Explanation Answer: C) necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion.

Explanation:

No circular or curved motion is possible without providing the necessary centripetal force. (C) provides this and so is the answer. 

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Filed Under: Physics

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