Question

a properly operating \auto - reverse\ feature should
stop if an obstruction is sensed on the way down
stop and reverse if an obstruction is sensed on the way up
stop and reverse if an obstruction is sensed on the way down
stop when an obstruction is sensed when moving in either direction
release the sprocket attached to the car to prevent damage to the motor
question 48
a man door between the house and garage should
be weather - stripped
always be fire - rated and open into the house
have a 6 - inch step up from the house into the garage
never have a self - closer because a child may be locked in the garage
be an interior - type door

Explanation:

Answer:

(1) stop and reverse if an obstruction is sensed on the way down
(2) always be fire - rated and open into the house