Liquid Propulsion System Centre, Indian Space Research Organisation Technical Assistant Photography 2018 Paper

Unit of magnetic flux density is
(a) weber
(b) henry
(c) tesla
(d) ampere/meter

If a man jumps from a helicopter hovering at an altitude of 8000m neglecting air drag, the distance covered by the man in 10th second is (assume acceleration due to gravity g=10 meter per second square)
(a) 115 m
(b) 76 m
(c) 240 m
(d) 95 m

If a 4kW motor is used to lift load of 160 kg to a height of 20m at a construction site, if the total transmission efficiency is 80% then the time taken by lift to reach 20m height, neglecting mass of lift and (assume acceleration due to gravity g=10 meter per second square)
(a) 5 second
(b) 10 second
(c) 15 second
(d) 20 second

A 100 micro farad capacitor is connected in series with a capacitor of 25 microfarad, this combination is to be connected in parallel with a capacitor ‘C’ such that the resultant capacitance is 120 micro farad then the capacitance of capacitor ‘C’ is
(a) 150
(b) 50
(c) 100
(d) 200

A 4K display size means display resolution of
(a) 1920 x 1080
(b) 1280 x 1024
(c) 5120 x 2160
(d) 4096 x 2160

Among the following file formats of storage, which is not an IMAGE format?
(a) PNG
(b) JPEG
(c) SYS
(d) TIFF

The colour model commonly used in colour printing
(a) RGB
(b) CYMK
(c) VIBGYOR
(d) RGM

With respect to Microsoft Windows O/S, state which one of the following is a FALSE statement?
(a) Enabling recycle bin provides a high chance for restoring deleted files
(b) Files can be deleted directly without sending them to recycle bin
(c) The size of recycle bin cannot be changed
(d) Files can be deleted without getting a DELETE CONFIRMATION dialogue

Aspect ratio is
(a) Ratio between the size of the object and the size of the image
(b) Ratio between the distance from the object to the size of the object
(c) Ratio between the width and the height of the image sensor
(d) Ratio between power of the lens to intensity of light

State which of the following is FALSE
(a) Given a file format for an image, it can support only one resolution
(b) Given a file format for an image, the higher the resolution, the higher the file size
(c) PNG format supports size compression
(d) JPEG format is device independent