QUESTION 1
Which components form the interface between the electronicsignal processor (data processing) and the actual process(mechanical motion)?
| | Sensors |
| | Actuators |
| | A/D converters |
| | D/A converters |
QUESTION 2
Design selection of appropriate actuator is determined byoperating conditions which can be:
| | Installation space |
| | Required force/travel characteristic curve |
| | Dynamic response |
| | All of the above. |
QUESTION 4
Which of the following motors are inexpensive and used in thedoor locks, window lifts, antenna retractor, anti-lock brakingsystems and cordless hand drill?
| | Permanent magnet DC motor |
| | Brushed DC motor |
| | Brushless DC motor |
| | Stepper motors |
QUESTION 4
Which of the following motors are inexpensive and used in thedoor locks, window lifts, antenna retractor, anti-lock brakingsystems and cordless hand drill?
| | Permanent magnet DC motor |
| | Brushed DC motor |
| | Brushless DC motor |
| | Stepper motors |
QUESTION 5
Which of the following motors are used when you need a precisespeed control such as the one in the laser printers andphotocopiers?
| | Permanent magnet DC motor |
| | Brushed DC motor |
| | Brushless DC motor |
| | Stepper motors |
QUESTION 6
Torque is proportional to the:
| | Current flowing through the motor |
| | Resistance in the motor windings |
| | Voltage at the commutator rings |
| | None of the above. |
QUESTION 7
Stepper motor with 100 steps has which resolution?
| | 1 degrees |
| | 1.8 degrees |
| | 2 degrees |
| | 3.6 degrees |
QUESTION 8
Pulse with modulation is achieved with the:
| | Square wave pulse |
| | Triangle wave pulse |
| | One side only wave pulse |
| | None of the above. |
QUESTION 9
Stepper motors can be used in the following industrialapplications:
| | High speed pick and place equipment |
| | Multi-axis machine CNC machines |
| | Directly driving lead screws or ballscrews |
| | All of the above. |
QUESTION 10
If you have 10 V pulse with modulation signal provided to stepmotor, what is the duty cycle you need to have to achieve power of2 V?
