MEC5

MEC5

University

39 Qs

quiz-placeholder

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MEC5

MEC5

Assessment

Quiz

Instructional Technology

University

Practice Problem

Easy

Created by

Sherlie Bunag

Used 1+ times

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39 questions

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1.

FILL IN THE BLANK QUESTION

1 min • 1 pt

___ are signal converters, which converts a physical variable (temp., position, pressure, etc.) into a different, more easily evaluated variable (usually an electrical signal)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sensors provide sensing and measurement of the process and variable in manufacturing; they are always the first device in the whole automation system; they provide feedback in closed-loop systems.

True

False

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Sensors which detect movement by means of contactless sensing (magnetic, optical, inductive or capacitive)

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

These converts physical quantity into a continuous analogue signal in which signal’s amplitude (current, voltage, resistance) or frequency or pulse width (PWM) tells the extent of the physical quantity being measured.

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

These converts physical quantity into a continuous analogue signal in which signal’s amplitude (current, voltage, resistance) or frequency or pulse width (PWM) tells the extent of the physical quantity being measured.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a 2-wire DC/AC Technology the load is connected in series with the sensor and the supply.

True

False

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Possess antivalent switching function (possess both NO and NC in just one device)

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