In a ventilator, top edge of shutter opens,

Related MCQs

• _________ is the top most horizontal member of the shutter.
• __________ is the middle horizontal member of the shutter where the locking arrangement is provided.
• ________ is the area of shutter enclosed between the adjacent rails.
• The middle horizontal member of the shutter is called:
• ___________ consist of bricks which are generally placed on one end or edge.
• he top or uppermost horizontal part of a frame is known as the _______