Revision Questions Master Controller

Question 1

What are the Positions of the reverser in a Comeng?

Answer 1

Off
Forward
Neutral
Reverse

Question 2

In what position would the hand a foot pilot be set in?

Answer 2

Forward and reverse

Question 3

What does time notching refer to?

Answer 3

When master controller is in 1 train will power slowly and step up after 20 seconds removing resister grids every 5 seconds until full series is reached

To maintain desired speed master controller must be placed back to off before expiration of 20 seconds and then returned to 1

Question 4

What is the timing cycle?

Answer 4

20 seconds to step up to series
5 second intervals that shunt will step up to full series (after 20 seconds)

Question 5

What does manual notching refer to?

Answer 5

Controlling the rate of acceleration, advancing one step at a time by moving the master controller forward one position and back again

Can not be used between parallel and weak fields

Question 6

When would you use Manual notching?

Answer 6

Cases of extremely poor adhesion due to wet slippery rails