Emerging Trends in Electronics (ETE)-1

Multiple Choice Questions (MCQs)

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Recent Electronic Components

1   Statement 1: In Li-ion batteries, lithium ions move from the negative electrode to the positive electrode during discharge. Statement 2: In Li-ion batteries lithium ions move from the positive electrode to the negative electrode during charging. Select correct option for above statement
    (A)   Statement 1 is true but statement 2 is false
    (B)   Statement 2 is true but statement 1 is false
    (C)   Both statements are true
    (D)   Both statements are false
[showhide type=”button7c1″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: C [/showhide]
2   In Li-ion battery, the ____________ is/are lithium ion based
    (A)   Positive electrode
    (B)   Negative electrode
    (C)   Positive and negative electrode
    (D)   Electrolyte
[showhide type=”button7c2″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: A [/showhide]
3   A nuclear battery is a device which uses energy from the ________ to generate electricity
    (A)   Hydrocarbon
    (B)   Hydrogen
    (C)   Emission of radioactive isotopes
    (D)   Chain reaction of radioactive element
[showhide type=”button7c3″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: A [/showhide]
4   Compared to other batteries, nuclear batteries are very ______, but have an extremely ____ and high energy density
    (A)   Cheap, long life
    (B)   Costly, long life
    (C)   Cheap, short life
    (D)   Costly, short life
[showhide type=”button7c4″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: B [/showhide]
5   Surface-mount technology (SMT) is a method for producing ____ in which the components are mounted or placed directly onto the surface of ______
    (A)   Electric circuit, electric board
    (B)   Electronic circuit, printed circuit board
    (C)   Pneumatic circuit, pneumatic bench
    (D)   Instrumentation circuit, control panel
[showhide type=”button7c5″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: C [/showhide]
6   OLED stands for ______
    (A)   Organic Light emitting display
    (B)   Optical Light emitting display
    (C)   Organic Light emitting diode
    (D)   Optical Light emitting diode
[showhide type=”button7c6″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: C [/showhide]
7   In OLED, at least one of the electrodes is _______
    (A)   Reactive
    (B)   Transparent
    (C)   Passive
    (D)   Idle
[showhide type=”button7c7″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: B [/showhide]
8   OLEDs are used to create digital display in devices such as _______
    (A)   Only TV screens
    (B)   Only smart phones
    (C)   Only computer monitors
    (D)   All of above
[showhide type=”button7c8″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: D [/showhide]
9   Statement 1: An OLED display works without a backlight. Statement 2: Because OLED emits visible light. Select correct option for above statement
    (A)   Statement 1 is true but statement 2 is false
    (B)   Statement 2 is true but statement 1 is false
    (C)   Both statements are true
    (D)   Both statements are false
[showhide type=”button7c9″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: D [/showhide]
10   Memristor is defined by relation ______
    (A)   dφ = M*dq
    (B)   dq=C*dv
    (C)   dφ =L*di
    (D)   dv=R*di
[showhide type=”button7c10″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: B [/showhide]
11   The surface mount components are accurately placed onto the pads with the help of ____________
    (A)   Pick and place machine
    (B)   Manually
    (C)   Reflow Machine
    (D)   Printing Machine
[showhide type=”button7c11″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: C [/showhide]
12   Desirable feature of electronics components suitable for emerging applications is __________
    (A)   Higher power consumption
    (B)   Miniature size
    (C)   Lower operation speed
    (D)   Low operating frequency
[showhide type=”button7c12″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: A [/showhide]
13   _______allow more number of components placing on both sides of the flexible dielectric film
    (A)   Single sided flexible circuits
    (B)   Single mounted flexible circuits
    (C)   Double access flexible circuits
    (D)   Sculptured Flex circuits
[showhide type=”button7c13″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: B [/showhide]
14   Memristor features unique properties like _______ and _______
    (A)   Nonvolatile nature, linearity
    (B)   Volatile nature, non-linearity
    (C)   Volatile nature, linearity
    (D)   Nonvolatile nature, non-linearity
[showhide type=”button7c14″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: B [/showhide]
15   _______is considered as a subset of Memristor
    (A)   ROM
    (B)   ReRAM
    (C)   Static RAM
    (D)   DRAM
[showhide type=”button7c15″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: D [/showhide]
16   Hysteresis loop and ______ phase shift between current and voltage, at _____ are the significant features of Memristor
    (A)   0-degree, zero crossing
    (B)   90-degree, zero crossing
    (C)   45 degree, non-zero crossing
    (D)   180 degree, non-zero crossing
[showhide type=”button7c16″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: A [/showhide]
17   Memristor shows ________ relationship between voltage and current
    (A)   Linear
    (B)   Nonlinear
    (C)   Exponential
    (D)   Logarithmic
[showhide type=”button7c17″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: C [/showhide]
18   Currently OLED displays are made by ____________
    (A)   Evaporating gases in a vacuum chamber
    (B)   Evaporating liquid in a vacuum chamber
    (C)   Evaporating solid in a vacuum chamber
    (D)   Anodization
[showhide type=”button7c18″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: D [/showhide]
19   OLED displays are simpler than LCD because they do not require ________ or ________
    (A)   Power, filtering
    (B)   Power, diffusing
    (C)   Backlight, diffusing
    (D)   Backlight, filtering
[showhide type=”button7c19″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: A [/showhide]
20   In the cover lay of FPC, to reduce conductor damage from frequent bending, the thickness of the cover lay should be ______
    (A)   Same as the thickness of the dielectric layer
    (B)   More than the thickness of the dielectric layer
    (C)   Less than the thickness of the dielectric layer
    (D)   Independent of the thickness of the dielectric layer
[showhide type=”button7c20″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: A [/showhide]
21   A nuclear battery is a device which uses energy from the _________to generate electricity
    (A)   Hydrocarbon
    (B)   Hydrogen
    (C)   Emission of radioactive isotopes
    (D)   Chain reaction of radioactive element
[showhide type=”button7c21″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: C [/showhide]
22   ________is considered as a subset of Memristor 
    (A)   ROM
    (B)   ReRAM
    (C)   Static RAM
    (D)   DRAM
[showhide type=”button7c22″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: B [/showhide]
23   Currently OLED displays are made by_________
    (A)   Evaporating gases in a vacuum chamber
    (B)   Evaporating liquid in a vacuum chamber
    (C)   Evaporating solid in a vacuum chamber
    (D)   Anodization
[showhide type=”button7c23″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: A [/showhide]
24   ________ is the advantage of using Surface Mounting Technology (SMT). 
    (A)   Low power consumption
    (B)   Reduces heat dissipation
    (C)   Use micro miniature leaded or leadless components
    (D)   Easily fabricated on chip
[showhide type=”button7c24″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: C [/showhide]
25   In OLED, at least one of the electrode is_____________
    (A)   Reactive
    (B)   Transparent
    (C)   Passive
    (D)   Idle
[showhide type=”button7c25″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: B [/showhide]
26   In Li-ion battery, the _______is/are lithium ion based 
    (A)   Positive electrode
    (B)   Negative electrode
    (C)   Positive and negative electrode
    (D)   Electrolyte
[showhide type=”button7c26″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: A [/showhide]
27   A Both glassy and ceramic electrolyte can be made more ionically conductive by substituting_____ for oxygen. 
    (A)   Nitrogen
    (B)   Sulphur
    (C)   Carbon dioxide
    (D)   Hydrogen
[showhide type=”button7c27″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: B [/showhide]
28   A radioisotope thermoelectric generator (RTG) generally uses________
    (A)   RTD
    (B)   Thermistor
    (C)   Thermocouple
    (D)   Ultrasonic
[showhide type=”button7c28″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: C [/showhide]
29   __________ is not a Reflow soldering technique 
    (A)   Infrared lamp technique
    (B)   Hot gas convection
    (C)   Vapour phase reflow
    (D)   Cold liquid flow
[showhide type=”button7c29″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: D [/showhide]
30   OLED is also known as __________
    (A)   Organic LCD
    (B)   Organic EL diode
    (C)   Optical EL diode
    (D)   Optical LCD
[showhide type=”button7c30″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: B [/showhide]
31   _________ is an advanced display technology made from thin films of light emitting organic materials.
    (A)   SMD LED
    (B)   RGB LED
    (C)   OLED
    (D)   QLED
[showhide type=”button8c1″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: D [/showhide]
32   The technology for producing electronic circuits using SMD is called
    (A)   THT
    (B)   SMT
    (C)   OLED
    (D)   PDA
[showhide type=”button8c2″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: B [/showhide]
33   The surface mount components are accurately placed onto pads with the help of ________
    (A)   CNC Milling Machine
    (B)   CNC Plasma Cutting Machine
    (C)   Pick & Place Machine
    (D)   CNC Lathe Machine
[showhide type=”button8c3″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: C [/showhide]
34   AOI machine stands for _______________
    (A)   Automatic Operating Indicator
    (B)   Automatic Optic Inspection
    (C)   Automatic Organising Industry
    (D)   Automatic Operating Inspection
[showhide type=”button8c4″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: B [/showhide]
35   Nuclear Diamond Battery doesn’t have this commercial hurdle
    (A)   Initial cost of production
    (B)   Regional and country specific laws
    (C)   Profit margin
    (D)   Disposal of radioactive fuel
[showhide type=”button8c5″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: C [/showhide]
36   _______theoretically predicted that there must be a missing passive element establishing a relationship between flux and electric charge.
    (A)   Prof. Leon .O. Chua
    (B)   Albert Einstein
    (C)   Prof. Albert Macovski
    (D)   Prof. Brain Greene
[showhide type=”button8c6″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: A [/showhide]
37   A relationship between flux and electric charge of Memristor is given by__________equation.
    (A)   dq=C.dv
    (B)   dφ =L.di
    (C)   dv=R.di
    (D)   dφ = M dq
[showhide type=”button8c7″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: D [/showhide]
38   Memristor shows non- linear relationship between voltage and current which is exhibited by_________
    (A)   Continuous loop
    (B)   Hysteretic loop
    (C)   Closed loop
    (D)   Open loop
[showhide type=”button8c8″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: B [/showhide]
39   _________ successfully correlated the resemblance of memristor characteristics with those of nano scale ReRAM device.
    (A)   Prof. Chua
    (B)   Intel
    (C)   HP Team
    (D)   Albert Einstein
[showhide type=”button8c9″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: C [/showhide]
40   _______ is not one of the highlighting features ReRAM.
    (A)   Simple construction
    (B)   High packaging density
    (C)   High operating speed
    (D)   High operating voltages
[showhide type=”button8c10″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: D [/showhide]
41   A nuclear battery is also known as _______
    (A)   Atomic battery
    (B)   General battery
    (C)   Hazardous battery
    (D)   Toxic battery
[showhide type=”button8c11″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: A [/showhide]
42   Desirable feature for display devices is ________
    (A)   Low brightness
    (B)   Single colour
    (C)   Flexible nature
    (D)   Small size
[showhide type=”button8c12″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: C [/showhide]
43   Desirable feature of a battery is ______
    (A)   Large size
    (B)   Higher rating
    (C)   Slow charging
    (D)   Costly maintenance
[showhide type=”button8c13″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: B [/showhide]
44   _______Fulfils the requirement of high component density and Multilayer electrical connectivity.
    (A)   PCB
    (B)   Breadboard
    (C)   FPC
    (D)   Stripboard
[showhide type=”button8c14″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: C [/showhide]
45   Full form of FPC is ______________
    (A)   Fixed printed circuits
    (B)   Fixed programmable circuits
    (C)   Flexible programmable circuits
    (D)   Flexible printed circuits
[showhide type=”button8c15″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: D [/showhide]
46   Full form of PCB is_____________
    (A)   Programmable circuit boards
    (B)   Programmable conducting boards
    (C)   Printed circuit boards
    (D)   Printed conducting boards
[showhide type=”button8c16″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: C [/showhide]
47   The hearth of FPC is ______
    (A)   Flexible PCB
    (B)   Rigid PCB
    (C)   Single layered PCB
    (D)   Double layered PCB
[showhide type=”button8c17″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: A [/showhide]
48   Batteries used in space can be recharged by solar cells which converts______ energy into electrical energy.
    (A)   Chemical
    (B)   Solar
    (C)   Mechanical
    (D)   Kinetic
[showhide type=”button8c18″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: B [/showhide]
49   For very high temperature applications PEEK is used which is from _______ Family.
    (A)   PAK family
    (B)   PEAK family
    (C)   PAEK family
    (D)   Nitrile family
[showhide type=”button8c19″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: C [/showhide]
50   ________material is not use in rechargeable batteries.
    (A)   Nickel – cadmium
    (B)   Silicon – cadmium
    (C)   Nickel metal hydride
    (D)   Lithium – ion
[showhide type=”button8c20″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: B [/showhide]
51   _______soldering is the most widely used method of attaching surface mount components to printed circuit boards (PCBs).
    (A)   Wave
    (B)   Reflow Optical Light emitting display
    (C)   Pick and place
    (D)   Machine
[showhide type=”button8c21″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: B [/showhide]
52   A ________ is a machine used primarily for reflow soldering of surface mount electronic components to printed circuit boards (PCB).
    (A)   Reflow oven
    (B)   Wave oven
    (C)   Microwave oven
    (D)   Soldering oven
[showhide type=”button8c22″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: A [/showhide]
53   Preheat is the_____ stage of the reflow process.
    (A)   Second
    (B)   Third Optical Light emitting display
    (C)   First
    (D)   Fourth
[showhide type=”button8c23″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: C [/showhide]
54   Surface-mount technology (SMT) is a method for producing _______ in which the components are mounted or placed directly onto the surface of …….
    (A)   Electric circuit, electric board
    (B)   Electronic circuit, printed circuit board Optical Light emitting display
    (C)   Pneumatic circuit, pneumatic bench
    (D)   Instrumentation circuit, control pane
[showhide type=”button8c24″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: B [/showhide]
55   With surface mount technology (SMT) the devices should ________
    (A)   Mount directly
    (B)   Have parallel connecting pins
    (C)   Requires holes and pads
    (D)   Requires PTH
[showhide type=”button8c25″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: A [/showhide]
56   ________ runs a number of quality checks for the boards visually, such as component alignment and checking for solder bridges
    (A)   Reflow oven
    (B)   SMD machine Optical Light emitting display
    (C)   Automatic Optic Inspection machine
    (D)   Solder paste printer
[showhide type=”button8c26″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: C [/showhide]
57   In SMD the wattage required for soldering iron is______
    (A)   25 to 50 watt
    (B)   15 to 25 watt Optical Light emitting display
    (C)   15 to 30 watt
    (D)   10 to 50 watt
[showhide type=”button8c27″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: B [/showhide]
58   For an IC, in a data sheet SMD stands for ______________
    (A)   Surface mount device
    (B)   Synchronous mode device
    (C)   Serial mode data
    (D)   Single memory device
[showhide type=”button8c28″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: A [/showhide]
59   Identify the SMD component
    (A)   SMD Resistor
    (B)   SMD Resistor network Optical Light emitting display
    (C)   SMD capacitor
    (D)   Leadless Ceramic Chip Carriers
[showhide type=”button8c29″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: A [/showhide]
60   OLED stands for __________
    (A)   Organic Light emitting display
    (B)   Optical Light emitting display Optical Light emitting display
    (C)   Organic Light emitting diode
    (D)   Optical Light emitting diode Optical Light emitting diode
[showhide type=”button8c30″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: C [/showhide]
61   In OLED, at least one of the electrodes is ________
    (A)   Idle
    (B)   Transparent
    (C)   Active
    (D)   Passive
[showhide type=”button9c1″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: B [/showhide]
62   OLED displays provide_____ power consumption compared to LCD
    (A)   Lower
    (B)   Higher
    (C)   Medium
    (D)   Zero
[showhide type=”button9c2″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: A [/showhide]
63   Identify the symbol of component used for emerging application.

    (A)   Resistor
    (B)   Compact disc
    (C)   Memristor
    (D)   OLED
[showhide type=”button9c3″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: C [/showhide]
64   Memristor give________ relationship between voltage and current which is exhibited by a hysteretic loop
    (A)   Linear
    (B)   Non linear
    (C)   Inversely proportional
    (D)   Directly proportional
[showhide type=”button9c4″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: B [/showhide]
65   Memristor is proposed to develop real-time data analysis in _______network and______ applications.
    (A)   Neural, neuromorphic
    (B)   Computer, numeric
    (C)   Telecommunication, mobile
    (D)   Data, internet
[showhide type=”button9c5″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: A [/showhide]
66   A Lithium-ion battery is rechargeable electrochemical battery converting ________ energy into ______ energy
    (A)   Chemical, electrical
    (B)   Mechanical, electrical
    (C)   Electrical, mechanical
    (D)   Negative, positive
[showhide type=”button9c6″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: A [/showhide]
67   Mostly Non-aqueous electrolyte is used in Li-ion battery because _______
    (A)   Aqueous medium is not conductive
    (B)   Non aqueous medium is conductive
    (C)   Pure lithium is very inactive
    (D)   Pure lithium is very reactive
[showhide type=”button9c7″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: D [/showhide]
68   In Li-ion battery, the ………………. is/are lithium ion based
    (A)   Negative Electrode
    (B)   Positive electrode
    (C)   Positive & Negative Electrode
    (D)   Electrolyte electrode
[showhide type=”button9c8″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: B [/showhide]
69   A nuclear battery uses energy from________ to generate electricity.
    (A)   Hydrocarbon
    (B)   Decay of radioactive isotope
    (C)   Hydrogen
    (D)   Chain reaction of radioactive element
[showhide type=”button9c9″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: B [/showhide]
70   Nuclear batteries are very ____but have an extremely ______ and high energy density compared to other batteries.
    (A)   Cheap, short life
    (B)   Costly, short life
    (C)   Cheap, long life
    (D)   Costly, long life
[showhide type=”button9c10″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: D [/showhide]
71   Nuclear batteries are used in _____applications due to its compact in size and light weight and long lasting reliable voltage supply, independent of atmospheric conditions.
    (A)   Space
    (B)   Medical
    (C)   Defence
    (D)   Industry
[showhide type=”button9c11″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: A [/showhide]
72   Printed circuit board are delivered from one place to other place in plastic or paper protection because of development of_______________
    (A)   Leakage current
    (B)   Water drop
    (C)   Dynamic charge
    (D)   Static Charge
[showhide type=”button9c12″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: D [/showhide]
73   Flex PCB design requires______% of the space and weight of an ordinary circuit board assembly,
    (A)   50
    (B)   20
    (C)   10
    (D)   75
[showhide type=”button9c13″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: C [/showhide]
74   Commonly used dielectric substrate material is_________
    (A)   Polyester
    (B)   Rubber
    (C)   Mica
    (D)   Polymer
[showhide type=”button9c14″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: A [/showhide]
75   _______are the heart of Flexible Printed Circuits.
    (A)   Dielectric PCBs
    (B)   Flexible PCBs
    (C)   Double sided PCBs
    (D)   Single sided PCBs
[showhide type=”button9c15″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: B [/showhide]
76   ___________material has excellent high temperature characteristics.
    (A)   Phenolic
    (B)   Acrylics
    (C)   Polyimide
    (D)   Polyester
[showhide type=”button9c16″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: C [/showhide]
77   Rigid-Flex Circuits boards are used in _____application for __reliability.
    (A)   Defence, high
    (B)   Defence, low
    (C)   Space, low
    (D)   Space, high
[showhide type=”button9c17″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: D [/showhide]
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