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Q:

The commonly used coolant in refrigerators is

A) Ammonia B) Nitrogen
C) Freon D) Oxygen
 
Answer & Explanation Answer: C) Freon

Explanation:
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Filed Under: Chemistry

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Q:

Graphite is a good conductor of electricity.

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

Explanation:

Graphite is a good conductor of electricity as it contains free electrons to move through the structure of the graphite.

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Subject: Physics
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO , IT Trainer

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Q:

Currency exchange rates are based on

Answer

The amount of money you’ll get for a given amount of your country’s currency is based on internationally determined exchange rates. Exchange rates can be either fixed or floating. Fixed exchange rates use a standard, such as gold or another precious metal, and each unit of currency corresponds to a fixed quantity of that standard that should (theoretically) exist.

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Subject: General Awareness Exam Prep: AIEEE , Bank Exams , CAT
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Q:

Two equal arcs of two circles subtend angle of  60° and 75° at the centre. The ratio of the radii of the two circles is

A) 5/4 B) 3/2
C) 4/5 D) 2/3
 
Answer & Explanation Answer: A) 5/4

Explanation:
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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: GATE , Bank Exams , AIEEE

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Q:

What are operating system services?

Answer



  • Program execution

  • I/O operations

  • File system manipulation

  • Communication

  • Error detection

  • Resource allocation

  • Accounting

  • Protection


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Subject: Operating Systems

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Q:

What is CPU Scheduler?

Answer

Selects from among the processes in memory that are ready to execute, and allocates the CPU to one of them. CPU scheduling decisions may take place when a process: 1.Switches from running to waiting state. 2.Switches from running to ready state. 3.Switches from waiting to ready. 4.Terminates. Scheduling under 1 and 4 is non-preemptive. All other scheduling is preemptive.

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Subject: Operating Systems

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Q:

Which can disrupt the cell cycle?

A) Mutation B) Replication
C) Both A & B D) None of the above
 
Answer & Explanation Answer: D) None of the above

Explanation:

Mutations can disrupt the cell cycle, and can cause certain diseases and conditions.

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
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Q:

Which statement correctly describes the role of chance in evolution?

A) An allele that increases evolutionary fitness cannot be lost from a population by chance events. B) The ultimate source of new alleles is mutation, random changes in the nucleotide sequences of an organism's DNA
C) Evolutionary change proceeds by an accumulation of changes that occur by chance. D) None of the above
 
Answer & Explanation Answer: B) The ultimate source of new alleles is mutation, random changes in the nucleotide sequences of an organism's DNA

Explanation:
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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
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