Unit I MCQS
a) copper
b) aluminium
c) brass
d) galvanized steel
2) Average resistance of human body is….
a) 500 ohm
b) 1000 ohm
c) 1500 ohm
a) Depth of electrode
b) Moisture
c) NaCl
d) All of the above
4) The size of earthing wire depends upon…
a) Maximum fault current carrying through the ground wire
b) Rated current carrying capacity of the service line.
c) Depends on soil resistance
d) Both a) and c)
5) Grounding is provided for…
a) Only for safety of equipment
b) Personal safety
c) Both a and b
d) None of the above
6) The current produced by AC generators is
a) alternative current
b) fixed current
c) negative current
d) direct current
7) The time interval after which the alternative current voltage or current repeats its value is called its
a) frequency
b) time
period
c) amplitude
d) wavelength
a) Increases8) The potential difference between the live wire and the neutral wire is
a) 180 V
b) 320 V
c) 250 V
d) 220 V
9) The wire maintained at zero potential by connecting it to the Earth at the power station itself is called
a) Earth/ground wire
b) livewire
c) neutral wire
d) delta wire
10) dc stands for…
a) direct current
b) direct circuit
c) both a) and b)
d) none of the above
11) Which of the following is not a safety device
a) fuse
b) circuit breaker
c) earthing
d) switch
12) Which of the following is the protective device against lightning over voltages?
a) Rod gap
b) Surge absorbers
c) Horn gaps
d) All of the above
13) A lightning arrester provides
a) A low impedance path between line and ground, during operation
b) A high impedance path between line and ground, during operation
c) A low resistance path between line and ground, during operation
d) A high resistance path between line and ground, during operation
14) Impulse ratios of insulators and lightning arresters should be
a) Both low
b) High and low respectively
c) Low and high respectively
d) Both high
15) In a thyrite lightning arrester the resistance
a) Varies linearly with the applied voltage
b) Increases with the applied voltage
c) Decreases linearly with the applied voltage
d) Is high at low current and low at high current
16) When a person get shocked by wire then what should not be done
a) Turn off the source of electricity, if possible.
b) move the source away from you
c) a person should stand on wood or plastic
d) keep on watching
17) Don't use a blanket or towel, in case of burning because …
a) loose fibers can stick to the burns
b) fiber is good conductor of heat
c) fiber will damage if used
d) fiber is burn proof material
18) The size of the earth or ground wire is based on the
a) maximum fault current carrying through the ground wire
b) rated current carrying capacity of the service line
c) depends on the soil resistance
d) both (A) and (C)
19) When the 3-phase system is not grounded and if Single Line to Ground fault occurs, the voltage of the other two healthy phases will
b) Decreases
c) Remains unaffected
d) none of the above
(A) few minutes
(B) few seconds
(C) one second
(D) few cycles of supply voltage
Unit III MCQS
1) A pressure cooker is based on the principle that the boiling point of water ..............
a) increases
b) decreases
c) does not change
d) changes
2) Food is cooked more quickly in pressure cooker
because….
a) heat is more
b) boiling point of water
is raised
c) boiling point of water is lowered
d) it
retains heat for more time
2) Vaccum
flask is designed to keep
a) Hot water hot
b) Cold water hot
c) Hot water cold
d) None of the above
3) The
plastic cap of vacuum flask prevents the liquid from…
a) Absorbing
a) Evaporating
b) Evaluating
c)
Emitting
4) The
glass container is …. conductor of heat
a) Good
b) Poor
c) Neither
good nor bad
d) Good
as well as bad
5) Which of the following is true for Solar Cooker
a) Silvering the pot
b) Neither
silvering nor blackened
c)
Both a) and d)
d) Blackened
the pot with lid
6) Which
of the following is not type of thermometer?
a) a) Clinical thermometer
b) Laboratory
thermometer
c) Biometer
d) Glass
thermometer
7) Count
of thermometer is….
a) Meter
b) Centimeter
c) Degree
celcius
d) Temperature
8) Bimetallic
strip is example of
a)
Conversion of energy
b) Conversion
of Power
c) Conversion
of heat
d) None
of these
9) Which
of the following is not application of bimetallic strip.
b) Balanced wheel
c) Electric press
d) Wrist watch
10) Immersion Heater is used
for
a) Creating energy
b) Heating water
c) Cooling water
d) None of the above
12) Which of the following is Storage type Geyser
a)
Geyser Heater
b) Immersion Rod
c)
Solar Rod
d) None
of the above
13) Domestic Iron works int eh temperature range of
a) 80
-100 oC
b) 120
-180 oC
c) 50
– 100 oC
d) 200 -
250 oC
14) Bimetallic Strip is used in which of the
following
a) Cooker
b) Iron
c) Washing Machine
d) Vacuum Cleaner
15) The Capacity of Geyser Heater is
- a) 20 – 90 liter
- b) 5 –
10 liter
- c) 20 - 40 liter
- d) All of the above
16) Solar
Cooker gives best result in…
a) Rainy
Season
b) Winter season
c) Summer season
d) None of the above
17) Which of following material is used as
insulator in immersion heater ?
a) sodium
b) magnetium
c) potassium
d) all of these
18) Minimum Capacity of storage type water heater
is
a) about 10 liter
b) about 5 liter
c) about 25 liter
d) none of the above
19) Which of the following is not getting too hot if it’s kept switched on
a) Electric iron
b) Motor
c) Bike
d) Gas burner
20) In
absence of thermostat which of the following will get too hot?
a) Heater
b) motor
c) conductor
d) electric iron
1) Which of the following
is not an operating system?
- a)
Windows
- b) Linux
- c) Oracle
- d) DOS
2) What is the maximum
length of the filename in DOS?
- a)
4
- b) 5
- c) 8
- d) 12
3)
When was the first operating system developed?
- a) 1948
- b) 1949
- c) 1950
- d) 1951
4)
Which of the following windows does not have a
start button?
a)
Windows 7
b) Windows 8
c)
Windows XP
d) None of these
5)
Which of the following operating systems does not
support more than one program at a time?
- a)
Linux
- b) Windows
- c)
MAC
- d) DOS
6)
What is Microsoft window?
a) Operating system
b) Graphics program
c)
Word Processing
d) Database program
7)
What is the intersection of a column and a row on a
worksheet called ?
- a)
Column
- b) Value
- c)
Address
- d) Cell
8)
What type of chart is useful for comparing values
over categories ?
- a)
Pie Chart
- b) Column Chart
- c)
Line Chart
- d) Dot Graph
9)
Which function in Excel tells how many numeric
entries are there ?
- a)
NUM
- b) COUNT
- c)
SUM
- d) CHKNUM
10)
Statistical calculations and preparation of tables
and graphs can be done using
- a)
Adobe Photoshop
- b) Excel
- c)
Notepad
- d) Power Point
11)
When assigning a shortcut key to a symbol, you
should always try to select a key or key combination that is ?
a). Unassigned
b). Located on the ten-key pad section of your
keyboard.
c). Assigned to another task.
d). From the same font family as the symbol.
12)
How many different documents you can open at one
time ?
a). No more than three
b). Only one
c). As many as your
computer memory will hold
d). As many as your taskbar can display
13)
What is the shortcut key to split a table ?
a). Ctrl + Alt + Enter
b). Ctrl + Shift + Enter
c). Alt + Shift + Enter
d). Alt + Space + Enter
14)
The word wrap feature ?
a). Automatically move
text to the next line when necessary
b). Appears at the bottom of the document
c). Allows you to type over text
d). Is the short horizontal line
15)
Ctrl + V ?
a). Undo the last Action
b). Redo the last Action
c). Add the new page
d). Paste the contents from clipboard
16)
Pressing F8 key for three times selects ?
a). A word
b). A sentence
c). A paragraph
d). Entire document
17)
How will MS Word will respond in repeated word ?
a). A Red wavy line under
the repeated word
b). A Green wavy line under the repeated word
c). A Blue wavy line under the repeated word
d). None of the above
18)
What is a Document Outline View ?
a). A preview in a full screen
b). A preview with margins
c). A View with a margins and gutter
d). A view with a structure of heading at various
levels
19)
What do you call ‘a collection of character and
paragraph formatting commands’ ?
a). The defaults
b). A template
c). A style
d). A boilerplate
20)
The _____ in the Resume Wizard dialog box indicates
the wizard is ready to create the document ?
a). Start panel
b). Address panel
c). Add/Sort Heading panel
d). Finish panel
21)
Ctrl + Z ?
a). Undo the last Action
b). Redo the last Action
c). Add the new page
d). Paste the contents from clipboard
