PHEP 33

Question 1

AUTOMATIC CONTROL SYSTEMS

Answer 1

ARE FREQUENTLY USED TO CONTROL A SPECIFIED SEQUENCE OF OPERATION

Question 2

MANUAL CONTROL SYSTEMS

Answer 2

ARE FREQUENTLY USED FOR ON-OFF TYPE FUNCTIONS

Question 3

IN ANY SYSTEM CONSISTING OF A COMBINATION OF MANUAL AND AUTO CONTROLS

Answer 3

ALL THREE

Question 4

SUPERVISORY CONTROL SYSTEMS DIFFER MAINLY FROM OTHER CLASSES OF CONTROL SYSTEMS

Answer 4

IN THE MANNER IN WHICH COMMANDS ARE TRANSMITTED AND RECEIVED

Question 5

DOUBLE TRANSMISSION IS AN EXPRESSION RELATING TO SUPERVISORY CONTROLS AND REFERS MAINLY TO

Answer 5

SECURITY

Question 6

IN A TYPICAL SUPERVISORY CONTROL OPERATION

Answer 6

THE FIRST BUTTON PUSHED AT THE MASTER STATION NORMALLY SETS UP THE CIRCUITRY NEEDED TO RECEIVE THE ACTION ORDER TO FOLLOW

Question 7

THE CAPACITY OF MOST SUPERVISORY CONTROL EQUIPMENT IS DETERMINED BY

Answer 7

THE NUMBER OF POINTS PROVIDED

Question 8

THE REPRODUCTION AT A CONVENIENT LOCATION OF MEASUREMENTS MADE AT A REMOTE POINT IS CALLED

Answer 8

TELEMETERING

Question 9

IN COMPARING THE MERITS ON ANALOG TELEMETERING WITH THOSE OF DIGITAL TELEMETERING IT WOULD BE CORRECT TO SAY

Answer 9

UNDETECTABLE ERRORS CAN BE INTRODUCED AT ALL POINTS IN THE FORMER BUT ONLY AT THE SENDING END OF THE LATTER

Question 10

A GERNAL DIGITAL INFORMATION HANDLING SYSTEM WOULD MOST LIKELY INCLUDE THE ABILITY TO

Answer 10

ALL THREE