Clam shell is a machine used for
1). Excavating
2). Carrying
3). Hoisting
4). Hauling
Clam shell is a machine used for Excavating. Clam shell is a bucket or grapple (as on a dredge) having two hinged jaws.
Hoe can be used to excavate relatively stiffer earth from a depth below the standing level of the equipment.
Drag line can be used to collect the loose material from a much larger depths.
Power shovel can be used to excavate the loose earth material effectively and can be used in undulating grounds because it has a crawler mounting.3. Pick up the correct statement from the following:
4. The gas from sludge digestion tank is mainly composed of
5. The force acting on a point on the surface of a rigid body may be considered to act
6. The thickness design of the pavement, is decided on the load carried by
7. The vapour pressure over the concave surface is