Automation System MCQ
Question 111 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
Light sensors:
cannot be used a s limit switches. | |
come in a wide variety of mounting styles | |
work in direct sunlight | |
never use infrared light as light source |
Question 112 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
Stepping motors:
can run at varying speeds | |
can be built to index different amounts by changing the pole configuration | |
can run both clockwise and counterclockwise | |
All of the above |
Question 113 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
Most continuous control actuators:
are of the time proportioning type | |
use a 4 to 20 mA current loop input | |
are used with standard continuous control loop | |
(b) and (c) above |
Question 114 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
Group technology brings together and organizes:
automation and tool production | |
parts and simulation analysis | |
documentation and analysis | |
common parts, problems, and tasks |
Question 115 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
A venturi tube:
is extremely difficult to use | |
is made only of metal | |
measures the presence of a liquid | |
can be used to measure gas or liquid flow rates |
There are 115 questions to complete.