List of practice Questions

If population variance is 14.8, sample variance is 15.4 and the number of degrees of freedom is 10, then Chi-square value is __________________ (round off to 2 decimal places).
Height of a station determined by Global Navigational Satellite System (GNSS) is 284.097 m and the geoid height of the station is –30.052 m. The elevation of the station is __________________ m (round off to 3 decimal places).
Number of cells required to cover an area of 9 sq. km of ASTER-GDEM are __________________ (in integer).
Choose the CORRECT statement(s) in case of visual image interpretation.
The spatial resolution of a satellite image \( P \) is 80 m and another satellite image \( Q \) is 20 m; each of 512 \(\times\) 512 pixel size. Choose the CORRECT option(s).
Which statement(s) is/are CORRECT for Hyperspectral images?
Satellite-Based NAVSTAR GPS Augmentation System(s) is/are
Identify the CORRECT statement(s)
Identify the CORRECT statement(s).
During GPS Surveying, initialization of rover receiver is required for
The internal angles P, Q, R of a triangle are observed in degree minute second (° ' "). The angles along with their probable errors are given below.
P = 40° 30' 01'' ± 02'', Q = 60° 00' 02'' ± 03'', R = 79° 30' 05'' ± 04''
The corrected values of the angles P, Q and R are
How many number of cells of a 30 m spatial resolution DEM would be required to cover a 1:50,000 topographic map of Survey of India, assuming that 1 minute = 1.85 km?
Choose the CORRECT statement(s)
Thermal Infrared images are provided by
Which of the following gets mitigated in DGPS positioning?
In GIS database, which type of attribute may be used to represent area?
What is attribute uncertainty?
In GIS, __________ triangulation is a proximal method that satisfies the requirement that a circle drawn through the three nodes of a triangle contains no other node.
In GIS, reclassification is performed to
The relationship between wavelength (\( \lambda \)), frequency (\( \nu \)), and velocity (\( c \)) of electromagnetic wave is
Spectral signature of an object in a satellite image does NOT depend on the
Component of GPS signal that gets deciphered by all types of GPS receivers is
For 3D-positioning, Global Navigational Satellite System (GNSS) requires a minimum of __________________ satellites.
Basic objective of NAVSTAR GPS is to provide services for
A satellite image with 6-bit radiometric resolution has __________________ gray levels.