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WorksheetsAutomation & Robotics, week 2 Developmental Assesment
Total questions: 20
Worksheet time: 18mins
A VFD system does not consist of this unit
A C motor
Main drive controller assembly
Operator interface
Tacho generator
If an RS-485 connection is wired between a VFD and a PLC, this control arrangement is to provide......................
Closed Loop Control
Master Slave control
Serial communication
Cascade control
Three main types of VFD are ....................
VSI, CSI, and PWM.
VSI, SSI & VLSI
VSI, MSI & PWM
None of the above
....................... consists of a capacitor that smooths out the converter's DC output ripple and provides a stiff input to the inverter.
Rectifier
A. C. Link
D. C. Link
Chopper
In KMF Uppoor, we have visited, the amount of milk processed per day is,
1 lakh litre
2.5 lakh litre
2 lakh litre
0.5 lakh litre
............................ Robots we have seen in GTTC Udupi?
ABB
KUKA
FANUC
NONE OF THESE
Mechanical grippers consists of _________ to grasp objects.
Magnets
Fingers
Tubes
Toes
Which type of motor is specifically designed for precise control of angula position?
Servo motor
D C Motor
Synchronous motor
Induction motor
What is the function of a commutator in an electric motor?
To convert AC to DC
To provide electrical insulation
To reverse the direction of current
To regulate motor speed
Which of the following grippers grasps objects by sticking?
Hooks
Adhesive gripper
Sticker
Mechanical gripper
The maximum PLCs which we have seen in GTTC Udupi are of which company?
Mitsubishi
Schneider Electric
Siemens
ABB
The Power Electronic device used in the inverter circuit of VFD is ......................
Power BJT
IGBT
Power MOSFET
SCRs
Figure shows the use of VFD in ................................. application.
Swimming pool filtration system
Cement Industry
Pharmaceutical industry
Electric cranes
VFD Control panel have this circuit..............................
harmonic filters
Circuit breakers
Modem
All of these
The most common type of
rotor used in an AC motor is ......................................
Phase wound rotor
Squirrel cage rotor
fixed angle rotor
None of these
In D C Motor, .................................. are concerned with
transmitting the power from the static electrical circuit to the mechanically rotating
region or the rotor.
Field windings and interpoles
Shaft and pole shoes
the commutator and the brush units
none of these
The servo motor uses a ...............................mechanism
open loop
closed-loop
combined loop
complex loop
A regular ......................................spins in only direction whereas a ................................... can spin in precise
increments
Stepper motor, A. C motor
DC motor, Stepper motor
A. C. motor, D.C. motor
Servo motor, D. C. motor
The ___________ of a manipulator is the total volume swept out by the end-effector as the manipulator executes all possible motions.
Workspace
Work envelope
Work load
Workplace
____________ is situated at the end of manipulator’s wrist.
Actuator
Limit switch
End effector
Divider
