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WorksheetsIndustrial Electronics - Revision - I
Total questions: 35
Worksheet time: 20mins
What is the full form of IGBT?
INSULATED GATE BIPOLAR TRANSISTOR
INSULATED GATE BIPOLAR TERMINAL
INTERNAL GATE BASE TRANSISTOR
INSULATED GATE BASE TRANSISTOR
What is the full form of MOSFET?
METAL OXIDE SEMICONDUCTOR FIELD EFFECT TERMINAL
MAGNETIZED OXYGEN SYSTEM FIELD EFFECT TERMINAL
METALLIC ORIGINATED SEMICONDUCTOR FIELD EFFECT TRANSISTOR
METAL OXIDE SEMICONDUCTOR FIELD EFFECT TRANSISTOR
What is the full form of GTO?
GATE TURN ON THYRISTOR
GATE TURN OFF THYRISTOR
GRAPHIC TUBE ORIGINAL
GRAPHIC TURN OFF
What is the full form of SCR?
Silicon Cathode Resistor
Selective Catalytic Reduction
Silicon Controlled Rectifier
Semiconductor Controlled Rectifier
What is the full form of UJT?
Unijunction Transistor
Unipolar Junction Transistor
United Junction Thyristor
Unijunction Thyristor
Merits of MOSFET are
On-state losses in MOSFETs are high.
Gate has full control over the operation of MOSFET
MOSFETs are used only for low power applications.
MOSFETs suffer from static charge.
How many terminals are there in MOSFET?
2
3
4
5
What is the other name for firing circuit?
Threshold Circuit
Transistor Circuit
Triggering Circuit
Transverse Coupling
What is the use of rectifiers?
AC to AC
AC to DC
DC to DC
DC to AC
What is the use of Inverters?
AC to AC
AC to DC
DC to DC
DC to AC
What is the use of choppers?
AC to AC
AC to DC
DC to DC
DC to AC
Select the Commutation technique from the option
Natural Commutation
Forced Commutation
Both Natural and Forced Commutation
None of these
Application of inverters
Uninterruptible power supplies (UPS).
High voltage DC transmission lines.
Induction and dielectric heating
All the above
How many thyristors are there in McMurray Inverters?
4
8
12
16
What is the full form of SMPS
Uninterrupted Power Supply
Switching Mode Personal Security
Switched Mode Power Supply
Salient Member of Portal System
Types of SMPS
AC-DC converter
DC-DC converter
Forward Converter
All the above
Static UPS system are of the following types
Offline UPS
Online UPS
Offline and Online UPS
None of these
Inverter is always used irrespective of AC mains fails in Offline UPS
True
False
What is the full form of PLC
Programmable Logical Converters
Programmable Logical Calculator
Personal Logic Computer
Personal Logic Calculator
Depending on the operating principle and structural features relays are of different types such as
electromagnetic relays
thermal relays
reed relays
power varied relays
The main parts of PLC are central processing unit(CPU), input/output section, power supply , memory and programming device.
True
False
The programming device is used to enter the desired program into the memory of the processor.
True
False
Ladder logic programming language uses step by step programming
True
False
How many vertical rails are there in Ladder diagram?
1
2
3
4
What is the comparison instruction NEQ stands for
Not Equal
Net Explosive Quantity
NASA Engineering and Safety Center.
None of these
What is the comparison instruction MEQ stands for
Masked Comparison for Equal
Milli Equivalent
Macro Editor Print Queue File
None of these
The gate in which the output will be true if any of the input is true
AND
OR
Ex - OR
NAND
GSM stands for
Global SIM method
Grams per Square Meter
Global System for Mobile Communication
None of these
SCADA stands for
Supervisory Control and Data Application
Super Computer and Data Acquisition
Supervisory Control and Data Acquisition
Supervisory Computer and Data Analytic
Hybrid systems are basically networks of interacting
Analog only
Digital only
Analog and Digital
None of these
In a centralized control model, _____________ is designated as the controller
One component
Two components
Three components
Four components
__________ memory is used for permanent storage of controller programs
Read Only Memory
Random Access memory
Cache Memory
Secondary Memory
HMI stands for
Human Machine Interface
Holistic Machinery Components
Human Machine Industry
None of these
DCS stands for
Digital Control System
Distributed Control System
Discrete Control System
Digital and Continuous System
The display type in DCS can be classified as
Plant Level
Area Level
Group Level
All the above
