MODEL PAPER 3 - LAST BUS OVERSEER BATCH

What is the main principle of chain surveying?

• Use of compass bearings
• Working from part to whole
• Triangulation
• Use of levels

Answer explanation

Chain surveying is based on the principle of triangulation where distances are measured directly without angle measurement.

Which method is used to locate a new point using already plotted points in plane table surveying?

• Radiation
• Intersection
• Traversing
• Three-point problem

Answer explanation

The three-point problem is used to determine the location of a point by sighting three known points.

Which type of RCC beam is used where both ends are supported but not fixed?

• Cantilever
• Simply supported
• Continuous
• Fixed

Answer explanation

Simply supported beams are supported at both ends without any restraint against rotation.

What is the purpose of stirrups in RCC beams?

• To resist bending
• To resist axial load
• To hold longitudinal bars
• To resist shear

Answer explanation

Stirrups are used in RCC beams to resist shear and hold the main longitudinal bars in position.

Which structural member is designed to resist compressive loads?

• Tie
• Strut
• Girder
• Beam

Answer explanation

A strut is a compression member typically used in trusses to resist compressive forces.

Which of the following is a type of truss used for long span roofing?

• Ladder truss
• Howe truss
• Scissors truss
• King post truss

Answer explanation

The Howe truss is commonly used in long span roof structures due to its efficiency.

Which element in sewage treatment retains suspended solids?

• Aeration tank
• Sedimentation tank
• Chlorination tank
• Sludge digester

Answer explanation

Sedimentation tanks allow suspended solids to settle before further treatment.

What is the purpose of a manhole in sewer lines?

• Store water
• Control flow
• Allow maintenance access
• Measure flow

Answer explanation

Manholes provide access to underground sewers for inspection and maintenance.

Which estimate provides the approximate cost before project sanction?

• Detailed estimate
• Revised estimate
• Preliminary estimate
• Supplementary estimate

Answer explanation

A preliminary estimate is prepared for administrative sanction before detailed design.

Which document provides detailed descriptions for execution of work?

• Plan
• Schedule of rates
• Specification
• Rate analysis

Answer explanation

Specifications detail the quality, materials, and workmanship for construction items.