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SSC JE 2019-20: Technical Quiz - 97
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Question 1
__________ is special material used to make sure that no moisture leaks in those areas of a roof that are particularly vulnerable to penetration.
Question 2
When the bubble of a level tube was moved by 1 division, the change in staff intercept was 0.05 m. If the distance between the staff and the instrument was 100 m. Then the sensitiveness of the bubble tube is given by
Question 3
To find the RL of a roof slab of building, staff readings were taken from a particular set-up of the levelling instrument. The readings were 1.050 m with staff on the Bench Mark and 2.300 m with staff below the roof slab and held inverted. Taking the RL of the Bench Mark as 135.15 m, the RL of the roof slab will be
Question 4
The following observations were taken during testing of a dumpy level
The collimation error in the instrument was
The collimation error in the instrument was
Question 5
Two stations P and Q are on the opposite banks of a river. Following observation were taken in reciprocal leveling
R.L. of P Is 200.000 m. and then R.L. of Q is nearly
R.L. of P Is 200.000 m. and then R.L. of Q is nearly
Question 6
Match List-I with List-II and select the correct answer
List-I
A) Reciprocal levelling
B) Balancing Fore sight and Back Sight distances
C) Inverted Staff Reading
D) Tilting level
List-II
1) Points above the line of collimation
2) Eliminates the collimation error
3) The vertical axis is not Perpendicular to the line of collimation
4) Eliminates error due to inclined line of collimation also
List-I
A) Reciprocal levelling
B) Balancing Fore sight and Back Sight distances
C) Inverted Staff Reading
D) Tilting level
List-II
1) Points above the line of collimation
2) Eliminates the collimation error
3) The vertical axis is not Perpendicular to the line of collimation
4) Eliminates error due to inclined line of collimation also
Question 7
The fix of a plane table from three known points is good if
Question 8
The quick and most accurate method to solve three-point problem in resection type of plane tabling is
Question 9
The light weight aggregates are obtained from
Question 10
The approximate proportion of dry cement mortar required for brickwork is
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ESE & GATE CEGeneralJun 9ESE & GATE CE