The staff reading taken on a point of known elevation is known as ___ .
Show Hint
- Intermediate sight
- Back sight
- Fore sight
- Turning sight
The Correct Option is B
Solution and Explanation
Top Questions on Surveying
Reciprocal levelling is performed for points P and Q by placing the same levelling instrument at A and B. The observations of staff readings are tabulated as below.
If the Reduced Level (RL) of P is 115.246 m, then the true RL of Q, in m, is _______ (rounded off to 3 decimal places)
- In a shovel dumper combination, the loading time of a dumper is 3 minutes. The shovel serves 8 dumpers. If the cycle time of a dumper, including its loading time, is 22 minutes, the waiting time of a dumper, in minutes, is:
Match the source of error with the corresponding correction in surveying with steel tape.
- A non-transit theodolite does NOT have
- Instrument used to set out a right angle from chain line is ___ .
Questions Asked in AP PGECET exam
The rank of matrix \(\begin{bmatrix} k & -1 & 0 \\[0.3em] 0 & k & -1 \\[0.3em] -1 & 0 & k \end{bmatrix}\) is 2, for \( k = \)
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- Rank of a Matrix
If \(A = \begin{bmatrix} 4 & 2 \\[0.3em] -3 & 3 \end{bmatrix}\), then \(A^{-1} =\)
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- Inverse of a Matrix
A two-port network is defined by the relation
\(\text{I}_1 = 5V_1 + 3V_2 \)
\(\text{I}_2 = 2V_1 - 7V_2 \)
The value of \( Z_{12} \) is:- AP PGECET - 2024
- Two Port Networks
An induction motor when started on load does not accelerate up to full speed but runs at \({\frac {1}{17}}\)th of the rated speed. The motor is said to be:
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- Induction Motor
A 0 to 30 V voltmeter has an error of \(\pm 2\%\) of FSD. What is the range of readings if the voltage is 30V?
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- Errors in Measurement