in order to raise and shift heavy loads from one place to another, they ______ are employed in the construction of big works.

Related MCQs

• in ______ type of crane, heavy temporary staging or platform is prepared for the working of the crane.
• 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.
• a ______ is a very useful equipment and it can be used for construction work like to clear the site of work, to make the land level, etc.
• when the area to be enclosed is large, it becomes essential to provide the ______ construction so as to give stability to the cofferdam.
• the ______ is found to be the most suitable material for the construction of caisson.
• the ______ was used as a material for the construction of caisson in the early stages of development of caisson.
• ______ are the cofferdams which can be lifted, floated and placed in another position as soon as its purpose is served.
• 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.
• the piles that are used for protecting structures from ships and floating object is _______.
• if a hammer is raised by stem and allowed to fall by gravity on top of the pile, it is called as ______.