Question: The minimum depth of foundation in clayey soils is_______________?

• 1. 0.5 m
• 2. 0.7 m
• 3. 0.9 m
• 4. 1.2 m

Question: The vertical distance between the springing line and highest point of the innercurve of an arch is known as______________?

• 1. intrados
• 2. rise
• 3. spandril
• 4. extrados

Question: The type of arch generally constructed over a wooden lintel or over a flat arch for the purpose of carrying the load of the wall above is_______________?

• 1. segmental arch
• 2. pointed arch
• 3. relieving arch
• 4. flat arch

Question: The triangular space formed between the extrados and the horizontal line drawn through the crown of an arch is known as_____________________?

• 1. haunch
• 2. spandril
• 3. voussoirs
• 4. skewbacks

Question: In the construction of arches, sand box method is used for________________?

• 1. centring
• 2. actual laying of arch work
• 3. striking of centring
• 4. none of the above

Question: The type of roof suitable in plains where rainfall is meagre and temperature is high is______________?

• 1. pitched and sloping roof
• 2. flat roof
• 3. shell roof
• 4. none of the above

Question: The lintels are preferred to arches because______________?

• 1. arches require more headroom to span the openings like doors, windows etc.
• 2. arches require strong abutments to withstand arch thrust
• 3. arches are difficult in construction
• 4. all of the above

Question: The type of joint commonly used at the junction of a principal rafter and tie beam in timber trussess is__________________?

• 1. mortise and tennon joint
• 2. oblique mortise and tennon joint
• 3. butt joint
• 4. mitred joint

Question: The type of roof which slopes in two directions with a break in the slope on each side is known as_____________?

• 1. gable roof
• 2. hip roof
• 3. gambrel roof
• 4. mansard roof

Question: The horizontal timber piece provided at the apex of a roof truss which supports the common rafter is called______________?

• 1. ridge board
• 2. hip rafter
• 3. eaves board
• 4. valley rafter