Question: Different grades are joined together by a ________________?
- 1. compound curve
- 2. transition curve
- 3. reverse curve
- 4. vertical curve
Question: If the focal length of the object glass is 25 cm and the distance from object glass to the trunnion axis is 15 cm, the additive constant is_______________?
- 1. 0.1
- 2. 0.4
- 3. 0.6
- 4. 1.33
Question: If the intercept on a vertical staff is ob-served as 0.75 m from a tacheometer, the horizontal distance between tacheometer and staff station is________________?
- 1. 7.5 m
- 2. 25 m
- 3. 50
- 4. 75 m
Question: Overturning of vehicles on a curve can be avoided by using ________________?
- 1. compound curve
- 2. vertical curve
- 3. reverse curve
- 4. transition curve
Question: Subtense bar is an instrument used for _______________?
- 1. levelling
- 2. measurement of horizontal distances in plane areas
- 3. measurement of horizontal distances in undulated areas
- 4. measurement of angles
Question: The angle between the prolongation of the preceding line and the forward line of a traverse is called ________________?
- 1. deflection angle
- 2. included angle
- 3. direct angle
- 4. none of the above
Question: A metallic tape is made of ______________ ?
- 1. steel
- 2. invar
- 3. linen
- 4. cloth and wires
Question: Select the correct statement______________?
- 1. More the value of group index, less thickness of pavement will be required
- 2. More the value of CBR, greater thickness of pavement will be required
- 3. Minimum and maximum values of group index can be 0 and 20 respectively
- 4. all of the above
Question: Rigidity factor for a tyre pressure greater than 7 kg/cm2 is_______________?
- 1. equal to 1
- 2. less than 1
- 3. greater than 1
- 4. zero
Question: Tie bars in cement concrete pavements are at______________?
- 1. expansion joints
- 2. contraction joints
- 3. warping joints
- 4. longitudinal joints