Geodetic Computations and Adjustments Flashcards

1
Q

The theory of errors deals only with such types of observational errors.
a. Systematic
b. Random
c. Natural
d. Gross

A

b. Random

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2
Q

It is the difference between the most probable value and any observed value of a certain quantity.
a. error
b. residual
c. mistake
d. discrepancy

A

b. residual

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3
Q

What are the two types of error?
a. Natural & Personal
b. Random & Instrumental
c. Systematic & Gross
d. Systematic & Random

A

d. Systematic & Random

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4
Q

It is the difference between two observed values of the same quantity.
a. mistake
b. discrepancy
c. error
d. residual

A

b. discrepancy

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5
Q

Weight is ______ proportional to the no. of observations/measurements.
a. directly
b. inversely
c. conversely
d. indirectly

A

a. directly

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6
Q

The fundamental condition of the least squares is to make the sum of the weight times their corresponding squared residuals _____________.
a. adjusted
b. linearized
c. minimum
d. maximum

A

c. minimum

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7
Q

Weight is _______ proportional to the distance.
a. directly
b. inversely
c. conversely
d. indirectly

A

b. inversely

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8
Q

Weight is _______ proportional to square of the probable error.
a. directly
b. inversely
c. conversely
d. indirectly

A

b. inversely

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9
Q

What is the dimension of the matrix shown?
__ __
| -24 |
| 33 |
|12 |
|__ __ |

a. 3 by 3
b. 1 by 1
c. 1 by 3
d. 3 by 1

A

d. 3 by 1

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10
Q

What is the transpose of the matriz shown?
a. [-24 33 12]
b. [12 33 -24]
c. [-12 33 24]
d. [24 33 -12]

A

a. [-24 33 12]

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11
Q

These are equal in number to the number of unknowns and are solved to obtain the most probable values fro the unknowns.
a. Observation equations
b. Paranormal equations
c. Normal equations
d. Matrix equations

A

c. Normal equations

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12
Q

Equations which relate observed values to their residual errors and the unknown parameters.
a. Observation equations
b. Paranormal equations
c. Normal equations
d. Matrix equations

A

a. Observation equations

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