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Exam (elaborations)
UPDA CIVIL
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---8August 20242024/2025A+
- I UPDA CIVIL 
1. SURVEYING 
1. The sensitivity of a bubble tube can be increased by 
a) increasing the diameter of the tube 
b) decreasing the length of bubble 
c) increasing the viscosity of liquid 
d) decreasing the radius of curvature of tube 
Ans: a 
2. With the rise of temperature, the sensitivity of a bubble tube 
a) decreases 
b) increases 
c) remains unaffected 
d) none of the above 
Ans: a 
3. Refraction correction 
a) completely eliminates curvature correction 
b) parti...
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