______ are the cofferdams which can be lifted, floated and placed in another position as soon as its purpose is served.

Related MCQs

• 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.
• a _____ roller is a multi-purpose roller which is used for various purposes and for practically all type of roads.
• in order to raise and shift heavy loads from one place to another, they ______ are employed in the construction of big works.
• from given below, which method for the dewatering of foundation trenches is portable and can be easily moved when required.
• the size of the bulldozer is indicated by the dimension of its ______
• _______ type of excavator carries shovel at its lower end.
• ______ type of excavator carries the skimmer at its lower end.
• in ______ method, it is assumed that a property loses its value by the same amount every year.
• 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.
• a______ can be used on wet ground and in all conditions of weather.