Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to

Options: the heating effect of current alone,    hysteresis loss alone,    both the heating effect of current and hysteresis loss,    intense sunlight at noon


More physics Related questions:

The recipe instruction "Beat until smooth' is an example of the _____ structure.
Options: Control,    Repetition,    Selection,    Sequence

Ans:B ,B

9.Microsoft Windows provides a graphics application named
Options: (A)Paint (B) Adobe Photoshop (C) Jasc Paint Shop(D) None of these 1

Ans:9. (A),9. (A)

The heavy day soils that show significant expansion and contraction due to the presence or absence of moisture is called
Options: aridsols,    vertisols,    histosols,    andisols


When was Apple Macintosh II microcomputer introduced in the market?
Options: 1964,    1970,    1983,    1986

Ans:C ,C

. The full form of ALU is
Options: A) Arithmetic Logic Unit B) Array Logic Unit C) Application Logic Unit D) None of above


. Registers, which are partially visible to users and used to hold conditional, are known as
Options: A) PC B) Memory address registers C) General purpose register D) Flags


When the time to establish link is large and the size of data is small, the preferred mode of data transfer is
Options: Circuit switching,    Packet switching,    Time division multiplexing,    All of the above

Ans:B ,B

8.In defining page table structure in virtual memory, A page number portion of a virtual address is mapped into a hash table using simple hash function, where hash table contains a pointer to the inverted page table, which contains page table entries, this approach is referred as
Options: (A)One page table per process structure. (B) Two level page table structure. (C) Inverted page table structure. (D) None of these. 9

Ans:98. (C),98. (C)

What is the subnetwork address for a host with the IP address

Ans:C ,C

Baspa, spiti, nogali, swan are sub rivers of which river
Options: chinab, yamuna, satluj, ravi


Options: NA

Ans: 914. tel aur praakrtik gais–aayog (ongch) ka mukhyaalay kahaan par sthit hai?, 914. tel aur praakrtik gais–aayog (ongch) ka mukhyaalay kahaan par sthit hai?

What protocol(s) is(are) allowed a user to retrieve her/his mail from the mail server to her/his mail reader?
Options: POP3,    FTP,    MAP,    All of the above

Ans:A ,A

2.Evolvability is
Options: (A)Trustworthiness with which a system or component can be modified to take advantage of new software or hardware technologies. (B) An error of some kind or an unexpected event occurs during the execution of a program (C) Here the objective of the process is to work with uses to explore their requirement and deliver a final system. (D) Possible loss or harm in computing system. 19

Ans:192. (A),192. (A)

. Which tab is not available on left panel when you open a presentation?
Options: a.  Outline b.  Slides c.  Notes d.  All of above are available

Ans:9 – C ,9 – C

Which of the following best describes a computer-based information system?
Options: A system in which a computer is used to turn data into information,    Inputting data,    Processing data,    Performing complex mathematical calculations

Ans:A ,A

The new industrial revolution has been caused by:
Options: social unrest,    advances in electronics,    the Vietnam War,    demand for higher wages

Ans:B ,B

Fool Yatra belongs to which district
Options: kinnaur , lahul, kullu, chamba


kaun keval raashtrapati 399. nirvaachit hone kee thee?
Options: NA

Ans: neelam sanjeeva reddee, neelam sanjeeva reddee

De Morgan's second therm says that NAND gate is equivalent to a bubbled _____ gate.
Options: AND,    XAND,    XOR,    OR

Ans:D ,D

. Which of the following is the default join between two recordsets?
Options: a. Inner join b. Left outer join c. Right outer join d. Self join

Ans:2 – a ,2 – a

Where can system and mail logs be found in Ret Hat Linux?
Options: /var/log,    /etc/log,    /mail,    All of the above

Ans:A ,A

A monitor looks like a TV set but it does not
Options: Receive TV signals,    Give a clear picture,    Give a steady picture,    Display graphics

Ans:A ,A

An excel workbook is a collection of
Options: a. Workbooks b. Worksheets c. Charts d. Worksheets and charts

Ans:#8211; d,#8211; d

The transport fleet of Air Force consists of
Options: IL-765,    Boeing-731,    AN-352,    All of the above


2.In Excel Comments put in cells are called
Options: (A)Smart tip (B) Cell tip (C) Web tip (D) Soft tip 11

Ans:112. (B),112. (B)

sibalbada wild life senctuary is in which district
Options: solan, sirmaur, una, kangra


Computer can not do anything without a
Options: Chip,    Memory,    Output device,    Program

Ans:D ,D

A homogenous distributed database is which of the following?
Options: The same DBMS is used at each location and data are not distributed across all nodes.,    The same DBMS is used at each location and data are distributed across all nodes.,    A different DBMS is used at each location and data are not distributed across all nodes.,    A different DBMS is used at each location and data are distributed across all nodes.

Ans:B ,B

The heavier silicates named as 'Sima' or silica + magnesium are most abundant in the
Options: crust,    core,    mantle,    ocean floors


2.Deep knowledge referred to
Options: (A)It is hidden within a database and can only be recovered if one is given certain clues (an example IS encrypted information) (B) The process of executing implicit previously unknown and potentially useful information from data(C) An extremely complex molecule that occurs in human chromosomes and that carries genetic information in the form of genes. (D) None of these 3

Ans:32. (A),32. (A)

Pa(Pascal) is the unit for
Options: thrust,    pressure,    frequency,    conductivity


651. sashastr sena jhanda divas kab manaaya jaata hai?
Options: NA

Ans: 7 disambar, 7 disambar

A primary use of decision support system (DSS) is to simulate an experiment over by using different parameters and assumptions. What is it called?
Options: Artificial intelligence,    What if analysis,    Exception report,    Computer assisted experimenting

Ans:D ,D

When executed from a bootable hard drive, which command will make a formatted floppy disk bootable?
Options: COPY C:\DOS\COMMAND.COM A:\,    ATTRIB C:\*.SYS A:\,    XCOPY C:\DOS\*.* A:\,    SYS C: A:

Ans:D ,D

When did France became Republic?
Options: 1789 AD,    1798 AD,    1792 AD,    1729 AD


Shiny Wilson is associated with which of the following games/sports?
Options: Athletics,    Hockey,    Swimming,    Cricket


. PowerPoint design templates are stored in a file with this extension.
Options: a. .ptt b. .pot c. .ppt d. .dtp

Ans:5 – B ,5 – B

2.In Excel you can open the Sort dialog box by choosing Sort from the ….. menu
Options: (A)View (B) Format (C) Tools (D) Data 21

Ans:212. (D),212. (D)

With which view can you see how text and graphics will appear on the printed page?
Options: Normal B. Print Layout C. Outline D. Web Layout

Ans:– B ,

. Which of the following is not a font style?
Options: a. Bold b. Italics c. Regular d. Superscript

Ans:– D,– D

Radio telescopes are better than optical telescopes because
Options: they can detect faint galaxies which no optical telescope can,    they can work even in cloudy conditions,    they can work during the day and night,    All of the above


4.In Excel which do you press to enter the current date in a cell?
Options: (A)Ctrl + Shift + : (B) Ctrl + ; (C) Ctrl + F10 (D) All of above 19

Ans:194. (B),194. (B)

What OSI layer handles logical address to logical name resolution?
Options: Transport,    Physical,    Presentation,    Data Link

Ans:A ,A

To produce high-quality graphics (hardcopy) in color, you would want to use a(n)
Options: RGB monitor,    plotter,    ink-jet printer,    laser printer

Ans:B ,B

Which network is a packet switching network?
Options: Ring network,    LAN,    Star network,    EuroNET

Ans:D ,D

The brain of any computer system is
Options: ALU,    Memory,    CPU,    Control unit


6.In Excel the following describes how to select all the cells in a single column?
Options: (A)Right click on column and select Pick from list (B) Use data – text to columns menu item (C) Left click on the gray column title button (D) Pressing Ctrl + A on the keyboard 13

Ans:136. (C),136. (C)

9.The advantages of COM are its_____and__.
Options: (A)compact size; readability (B) compact size; speed (C) readability; speed (D) compact size; low cost 7

Ans:69. (B),69. (B)

A computer, by definition, is any device that computers. This broad definition includes which of the following?
Options: Calculators,    Cash registers,    Automotive controllers,    Desktop computers

Ans:E ,E

Which one of the following equations most directly determines the amount of current flowing through a resistor when you know the value of the resistor and the voltage drop across it?
Options: E = PR,    E = I2R,    I = E/R,    I = ER

Ans:C ,C