Questions

Q:

A 4 kg object is moving horizontally with a speed of 5 m/s. To increase its speed to 10 m/s, the amount of net work required to be done on this object is:

A) 150 J B) 100 J
C) 50 J D) 75 J
 
Answer & Explanation Answer: A) 150 J

Explanation:
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Filed Under: Physics
Exam Prep: CAT , Bank Exams , AIEEE

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Q:

Biogeochemical cycles are crucial to ecosystem function because

A) they keep the planet warm enough for living things to survive B) energy flows through ecosystems in one direction only and is eventually dissipated as heat
C) they prevent catastrophic extinctions D) nutrients and other life-sustaining molecules are in limited supply and must be continually recycled
 
Answer & Explanation Answer: D) nutrients and other life-sustaining molecules are in limited supply and must be continually recycled

Explanation:

Biogeochemical cycles are crucial to ecosystem function because ::

 

1. Chemical elements are available in only limited amounts and must be recycled.

2. Nutrients and other life-sustaining molecules are in limited supply and must be continually recycled.

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Filed Under: General Science
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Q:

What is one way you can increase CTRs?

Answer

Add negative keywords to the ad group to reduce irrelevant impressions.

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Q:

What are the different job scheduling in operating systems?

Answer

Scheduling is the activity of the deciding when process will receive the resources they request.


FCS ---> FCSFS stands for First Come First Served. In FCFS the job that has been waiting the longest is served next.


Round Robin Scheduling--->Round Robin scheduling is a scheduling method where each process gets a small quantity of time to run and then it is preempted and the next process gets to run. This is called time-sharing and gives the effect of all the processes running at the same time


Shortest Job First ---> The Shortest job First scheduling algorithm is a nonpreemptive scheduling algorithm that chooses the job that will execute the shortest amount of time.


Priority Scheduling--->Priority scheduling is a scheduling method where at all times the highest priority process is assigned the resource.

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Q:

Project Integration Management - Processes

Describe the Inputs, Tools and Techniques, Outputs of Integrated Change Control Phase?

Answer

I. Inputs



  • Project management plan

  • Requested changes

  • Work performance information

  • Recommended preventive actions

  • Recommended corrective actions

  • Recommended defect repair

  • Deliverables


II. Tools and Techniques



  • Project management methodology

  • Project management information system

  • Expert Judgment


III. Outputs



  • Approved change requests

  • Rejected change requests

  • Project management plan(updates)

  • Project scope statement (updates)

  • Approved corrective actions

  • Approved preventive actions

  • Approved defect repair

  • Validated defect repair

  • Deliverables 

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Q:

Which of the following is UN special agency and not programme

A) UNDP B) UNIFEM
C) IBRD D) UNFPA
 
Answer & Explanation Answer: A) UNDP

Explanation:
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Filed Under: World Organisations

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Q:

What is one example of a closed economy?

A) Brazil B) China
C) Pakistan D) India
 
Answer & Explanation Answer: A) Brazil

Explanation:

Brazil is one example of a closed economy in the given options. 

A closed economy is one that has no trade activity with outside economies. A closed economy is self-sufficient, which means no imports come into the country and no exports leave the country. A closed economy's intent is to provide domestic consumers with everything they need from within the country's borders.

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Filed Under: General Awareness
Exam Prep: AIEEE , Bank Exams , CAT
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Q:

Force of impact is the force

A) by the objects weight B) by the speed of the object
C) when the objects meet D) None of the above
 
Answer & Explanation Answer: C) when the objects meet

Explanation:

Force of impact is the force when the objects meet. The speed of the object plays an important role in the generation of force of impact. The laws of physics determine that the force of impact increases with the square of the increase in speed.

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Filed Under: Physics
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