Pennar Industries Site Engineer Interview Questions and Answers

The size of a concrete cube is typically 150mm x 150mm x 150mm for standard testing purposes.

• Standard size for concrete cube is 150mm x 150mm x 150mm

• Used for testing the compressive strength of concrete

• Other sizes may be used for specific projects or requirements

The density of RCC structure typically ranges from 2200 to 2500 kg/m^3.

• Density of RCC is influenced by the type and proportion of materials used.

• Common density range for RCC is 2200 to 2500 kg/m^3.

• Higher density indicates stronger and more durable RCC structure.

Different types of slabs include one-way slab, two-way slab, flat slab, ribbed slab, waffle slab, and hollow core slab.

• One-way slab: supported on two opposite sides and bends in only one direction

• Two-way slab: supported on all four sides and bends in two directions

• Flat slab: without beams and supported directly on columns

• Ribbed slab: with ribs on the underside for added strength and reduced weight

• Waffle slab: with grid...read more

Different types of slabs foundation include raft, mat, flat plate, and waffle slab foundations.

• Raft foundation: a solid reinforced concrete slab that covers the entire area under a building

• Mat foundation: a thick concrete slab used to support heavy structures or buildings

• Flat plate foundation: a simple and economical type of foundation with a uniform thickness

• Waffle slab foundation: a type of foundation with grid-like