if a hammer is raised by stem and allowed to fall by gravity on top of the pile, it is called as ______.

Related MCQs

• the types of hammer used for driving piles are _______.
• Modern pile driving method was first invented by ________.
• which of the following piles is a cast in situ type of concrete pile?
• a _____ caisson is open at top and closed at bottom.
• a _____ are open at bottom and closed at top.
• a ______ is a caisson which is open at top as well as at bottom.
• piles are commonly driven in to the ground by means of special device called _______.
• the trucks with automatic unloading device are called ______.
• a ______ is defined as a temporary structure which is constructed so as to remove water and/or soil from an area and make it possible to carry on the construction work under reasonably dry conditions.
• in _____ type of cofferdam consists of a mixture of sand and clay which is filled in a bag and placed instead of earth or rock to form a cofferdam.