1.

A thief sneaked into Larry's house. As he opened the door to Larry's room, the door made a squeaking noise. The noise alerted Larry and the thief was caught. The squeaking sound of a door can be reduced by                                         

A.  Using ball bearings in the door hinge           
B.  Using a lubricant on the door hinge
C.  Using a lever to open the door
D.  Using a gear to open the door
Answer» C.  Using a lever to open the door


Discussion

No Comment Found

Related MCQs