Machines; Drawings And Basic Circuits

Question 1

Name 4 basic types of drawings

Answer 1

Block
Wiring
Schematic
Interconnection

Question 2

Type of drawing used to show difference in elevation?

Answer 2

Block diagram

Question 3

Type of diagram to show speed of response or hierarchical relationship between equipment?

Answer 3

Block diagram

Question 4

Type of diagram that shows detailed wiring of control devices and equipment with respect to physical position of components?

Answer 4

Wiring diagram

Question 5

Another name for a schematic diagrams?

Answer 5

Elementary diagrams

Question 6

Type of diagram best used to focus on sequence of operation?

Answer 6

Schematic diagram

Question 7

In which diagram is physical location not important

Answer 7

Schematic diagram

Question 8

What terminals are used to connect an overload contact for IEC motor starters?

Answer 8

95 + 96

Question 9

What do the numbers on the left hand side of a ladder style schematic mean?

Answer 9

Indicate rung number

Question 10

What is the numbers on the right hand side of a ladder style schematic mean?

Answer 10

Indicate contact location

Question 11

What kind of diagram shows specific connection details?

Answer 11

Interconnection diagrams

Question 12

Which kind of diagram makes no attempt to provide an indication of the function or location of components?

Answer 12

Interconnection diagram

Question 13

What type of diagram facilitates the installation of complex wiring systems?

Answer 13

Interconnection diagram

Question 14

What kind of diagram could be called the “connect the red wire to terminal to approach”?

Answer 14

Interconnection diagram

Question 15

What kind of diagram would describe a termination schedule or a pinout diagram?

Answer 15

Interconnection diagram

Question 16

What type of schematic diagram shows components drawn vertically rather than on horizontal rungs?

Answer 16

IEC schematic diagram

Question 17

What are the three basic sections of a motor control schematic diagram?

Answer 17

Stop circuit
start circuit and
holding circuit

Question 18

Can a stop circuit contain the normally closed contacts of an overload device?

Answer 18

Yes. In this position they can be energized the contactor coil when an overload occurs

Question 19

True or false? Contacts connected in the stop circuit affect both the starting and stopping of the motor.

Answer 19

True

Question 20

True or false? Contacts connected in the start circuit affect starting and running of the motor.

Answer 20

False. affect only the starting of the motor

Question 21

True or false? Contacts connected in the holding circuit affect running of the motor

Answer 21

True

Question 22

How are multiple stop buttons connected with respect to each other? N/C OR N/O

Answer 22

Normally closed and connected in series

Question 23

how do you wire start buttons so you can start a circuit from more than one location? (parallel / series). Are they NO or NC contacts?

Answer 23

Parallel. N/O