Consider the following statements:Automatic signalling system results – McqOptions

MCQOPTIONS

1.	Consider the following statements:Automatic signalling system results in1. Greater risk2. Higher efficiency3. Avoidance of block instruments4. Higher operating costOf these statements
A.	1 and 2 are correct
B.	3 and 4 are correct
C.	1 and 4 are correct
D.	2 and 3 are correct
Answer» E.

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