Electrical Eng. · Question Bank

Industrial Electronics

205 questions · page 6 of 11. Answer in your head first, then check the solution.

#101
________ defines a robotic application in the industrial field
AISO 10248
BISO 23891
CISO 24981
DISO 21000
#102
The first industrial robot is the _________
Aunimate
BAibot
Cdubot
Drobocop
#103
________ a kind of parallel manipulator using octahedral assembly of struts. This platform has six degrees of freedom (x,y,x,roll,pitch,yaw)
Aactuator
Bend effector
CAmerican 2300 platform
DStewart Platform
#104
Most aircraft synchros operate in what voltage?
A115 volts
B220 volts
C110 volts
D26 volts
#105
A system that uses a weak control signals to move a large loads to a desired position with great accuracy
Aservo
Bsynchro
Cgyroscope
Dcontrol system
#106
What type of gyro is used for measuring angular rates?
Arate gyros
Bprecise gyros
Crigid gyros
Duniversal gyros
#107
Which of the following is a four-layer diode with an anode gate and a cathode gate?
ASCS
BSCR
CSBS
DSUS
#108
_____ is basically a two terminal parallel-inverse combination of semiconductor layers that permits triggering in either direction.
Adiac
Btriac
Cquadrac
Dshockley diode
#109
What is the typical value of the interbase resistance of a UJT?
A20 kohm(s)
Bbetween 4 to 4 kohm(s)
C4 kohm(s)
Dbetween 4 to 10 kohm(s)
#110
_____ is a 3 terminal device used to control large current to a load.
ASCR
BSCS
CGTO
Dthyristor
#111
Another term for thermoelectric effect.
ASeebeck effect
BHall effect
Cphotoelectric effect
Dthermal effect
#112
_____ are the regions corresponding to open circuit condition for the controlled rectifier which block the flow of charge from anode to cathode.
Aforward blocking region
Breverse blocking region
Cbreakdown region
Dboth A and B above
#113
The V-I characteristics of a triac in the first and third quadrants are essentially identical to those of _____ in the first quotation.
ASCR
BUJT
Ctransistor
DSCS
#114
When temperature increases, the inter-base resistance of a UJT
Aremains unchanged
Bincreases
Cdecreases
Dis zero
#115
The 3 terminals of a triac are
Adrain, source, gate
Btwo main terminals and a gate terminal
Ccathode, anode, gate
Danode, source, gate
#116
A triac is equivalent to two SCRs
Ain parallel
Bin inverse-parallel
Cin series
Din inverse-series
#117
In diagnostic radiology and for superficial therapy purposes, the energy spectrum of radiation varies from about
A1 to 10 keV
B10 to 100 keV
C100 to 10000 keV
D10000 to 100000 keV
#118
The x-ray region of the electromagnetic spectrum has a corresponding range of wavelengths from
A0.1 to 0.0001 nm
B0.1 to 0.0001 pm
C0.1 to 0.0001 μm
D0.1 to 0.0001 mm
#119
The 3 terminals of an SCR are the
Aanode, cathode, grid
Bcathode, anode, gate
Canode, cathode, drain
Ddrain, source, gate
#120
If a body is considered as a conducting sphere of 0.5m radius, its capacitance to infinity is
A55 pF
B55 nF
C55 μF
D55 F

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