A tacheometer was placed at point P toestimate the horizontal distances PQand PR. The corresponding stadiaintercepts with the telescope kepthorizontal, are 0.320 m and 0.210 m,respectively. The ZQPR is measuredto be 61° 30' 30". If the stadiamultiplication constant =100 and the%3Dstadia addition constant =0.10 m. Thehorizontal distance (in m) between thepoints Q and R is[2 Marks]PR.

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Engineering

Civil Engineering

A tacheometer was placed at point P to estimate the horizontal distances PO

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Unit Conversion

Standard units are also called SI units. SI units are used for measuring a physical quantity satisfying certain conditions. There are two types of units: fundamental units and derived units. Fundamental units are physical quantities that are independent, that is, they do not depend on other quantities like mass, length, or time. There are plenty of quantities in our lives which need to be measured and compared. Measuring is the comparison of a particular physical quantity with its reference value. A unit is a measure of a fixed physical quantity. A physical quantity is the product of a unit and the numerical value we need to compare with.

Question

A tacheometer was placed at point P to
estimate the horizontal distances PQ
and PR. The corresponding stadia
intercepts with the telescope kept
horizontal, are 0.320 m and 0.210 m,
respectively. The ZQPR is measured
to be 61° 30' 30". If the stadia
multiplication constant =
100 and the
%3D
stadia addition constant =
0.10 m. The
horizontal distance (in m) between the
points Q and R is
[2 Marks]
P
R.

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