Concrete Technology and Design of Concrete Structures The purpose of reinforcement in pre-stressed concrete is To impart initial compressive stress in concrete All of these To resist tensile stresses To provide adequate bond stress To impart initial compressive stress in concrete All of these To resist tensile stresses To provide adequate bond stress ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In case of hand mixing of concrete, the extra cement to be added is 5% 20% 10% 15% 5% 20% 10% 15% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The permissible diagonal tensile stress in reinforced brick work is zero about 0.1 N/mm² 0.3 N/mm² to 0.7 N/mm² about 1.0 N/mm² zero about 0.1 N/mm² 0.3 N/mm² to 0.7 N/mm² about 1.0 N/mm² ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The main reason for providing number of reinforcing bars at a support in a simply supported beam is to resist in that zone bond stress shear stress compressive stress tensile stress bond stress shear stress compressive stress tensile stress ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The minimum cover in a slab should neither be less than the diameter of bar nor less than 30 mm 10 mm 15 mm 20 mm 30 mm 10 mm 15 mm 20 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Cube strength of controlled concrete to be used for pretensioned and post-tensioned work respectively should not be less than 53 MPa and 42 MPa 35 MPa and 42 MPa 42 MPa and 35 MPa 42 MPa and 53 MPa 53 MPa and 42 MPa 35 MPa and 42 MPa 42 MPa and 35 MPa 42 MPa and 53 MPa ANSWER DOWNLOAD EXAMIANS APP