Practice Question and Answer

Q: Which compound is a nonelectrolyte? 1806 0

  • 1
    C2H6O
    Correct
    Wrong
  • 2
    HCl
    Correct
    Wrong
  • 3
    Na2CO3
    Correct
    Wrong
  • 4
    NaCl
    Correct
    Wrong
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Answer : 1. "C2H6O"
Explanation :

Answer: A) C2H6O Explanation: C2H6O is a Non-electrolyte.   An electrolyte is a compound that conducts an electric current when it is in an aqueous solution or melted. In order to conduct a current, a substance must contain mobile ions that can move from one electrode to the other. All ionic compounds are electrolytes. When ionic compounds dissolve, they break apart into ions which are then able to conduct a current ( conductivity ). Even insoluble ionic compounds such as CaCO 3 are electrolytes because they can conduct a current in the molten (melted) state.   A nonelectrolyte is a compound that does not conduct an electric current in either aqueous solution or in the molten state. Many molecular compounds, such as sugar or ethanol, are nonelectrolytes. When these compounds dissolve in water, they do not produce ions.   Electrolytes are of 3 types ---- Strong Electrolytes, Weak Electrolytes and Non Electrolytes.   Strong Electrolytes ---- Compounds which completely dissolves. ( NaCl, Na2Co3, HCl ) Weak Electrolytes ----- Compounds which do not completely dissolves. Non Electrolytes ------ Compounds which do not dissolves at all.

Q: A motorboat takes half time to cover a certain distance downstream than upstream. What is the ratio between rate of current and rate of boat in still water? 1806 0

  • 1
    1 : 3
    Correct
    Wrong
  • 2
    3 : 2
    Correct
    Wrong
  • 3
    2 : 3
    Correct
    Wrong
  • 4
    3 : 1
    Correct
    Wrong
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Answer : 1. "1 : 3"
Explanation :

Answer: A) 1 : 3 Explanation: Let the speed of the boat in still water is 'w' Speed of the current is 'c' Let the distance between two places is 'd' According to the question, motorboat takes half time to cover a certain distance downstream than upstream. dw+c = 12dw-c => 2w - 2c = w + c => w = 3c => c : w = 1 : 3   Hence, the ratio between rate of current(c) and rate of boat in still water(w) = 1 : 3

Q: National which of the three horizontal strips of tricolor live in proportion? 1806 0

  • 1
    3:2:1
    Correct
    Wrong
  • 2
    2:2:2
    Correct
    Wrong
  • 3
    1:1:1
    Correct
    Wrong
  • 4
    Others
    Correct
    Wrong
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Answer : 3. "1:1:1"

Q: What is Autosys? 1806 0

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Answer :
Explanation :

AutoSys is an automated job control system for scheduling, monitoring, and reporting. These jobs can reside on any AutoSys-configured machine that is attached to a network.   However, in real business, you need to fire jobs not just based on scheduled time, but also based on events (like an arrival of a file), and, based on the success or failure of other jobs. Autosys is a total job scheduling solution that allows you to define these events, dependencies, time schedules, alerts, etc, making it a complete data center automation tool.

Q:

Ghumura is a folk dance of ______________ .

1805 0

  • 1
    Jammu &Kashmir
    Correct
    Wrong
  • 2
    Maharashtra
    Correct
    Wrong
  • 3
    Odisha
    Correct
    Wrong
  • 4
    Andhra Pradesh
    Correct
    Wrong
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Answer : 3. "Odisha"

Q:

Which of the following is mandatory for sending an email?

1805 0

  • 1
    Body
    Correct
    Wrong
  • 2
    Sender Mail ID
    Correct
    Wrong
  • 3
    Attachment
    Correct
    Wrong
  • 4
    Subject
    Correct
    Wrong
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Answer : 2. "Sender Mail ID"
Explanation :

1. To send an email, the sender's email address is mandatory. An email address is a unique identifier that connects an email message to a specific user.

2. Other required information for sending the email includes-

- Recipient's Email Address

- The subject of the email

- Email Message

Q:

The value of an article depreciates every year at the rate of 10% of its value. If the present value of the article is  Rs 729, then its worth 3 years ago was

1805 0

  • 1
    Rs 1250
    Correct
    Wrong
  • 2
    Rs 1000
    Correct
    Wrong
  • 3
    Rs 1125
    Correct
    Wrong
  • 4
    Rs 1200
    Correct
    Wrong
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Answer : 2. "Rs 1000"

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