$1.$ During operation, the reverse function of a motor fails to engage. What is the most likelycause of this issue? based on canadian electrial book $2019$

A$)$ The forward contact is closed

B$)$ The reverse contact has failed to close

C$)$ The forward contact is open

D$)$ The motor overload relay is tripped

$2.$ In a motor control system, when the start button is pressed, the contactor fails to open,and the motor does not start. What is the most likely cause of this issue?

Based on cabadian electrical book $2019$

A$)$ Blown fuse

B$)$ Stop button is stuck

C$)$ Control contact is stuck

D$)$ Auxiliary contact failure

$3.$ In a system controlled by a PLC$,$ if water is pouring down from a tank onto equipment,which device should be checked in the PLC setup to ensure proper protection and safety ofthe equipment?

A$)$ Temperature sensor

B$)$ Flow meter

C$)$ Pressure gauge

D$)$ Level transmitter

Based on Canadian Electrical book $2019.$