Consider the following statements:Automatic signalling system results – McqOptions

MCQOPTIONS

1.	Consider the following statements:Automatic signalling system results in 1. greater risk 2. higher efficiency3. avoidance of block instruments4. higher operating cost Of these statements
A.	and 2 are correct
B.	and 4 are correct
C.	and 4 are correct
D.	and 3 are correct
Answer» E.

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