1. The height of a geostationary satellite from the Earth’s surface is approximately
Question Asked : SSC Multi-Tasking (Non-Technical) Staff Exam 2011
(A) 36,000 km
(B) 42,000 km
(C) 30,000 km
(D) None of these
2. Flight Recorder is technically called
Question Asked : SSC Multi-Tasking (Non-Technical) Staff Exam 2011
(A) Dark box
(B) Blind box
(C) Black box
(D) Altitude meter
3. The minimum number of geostationary satellites needed for uninterrupted global coverage is
Question Asked : SSC Multi-Tasking (Non-Technical) Staff Exam 2011
(A) 3 satellites
(B) 2 satellites
(C) 4 satellites
(D) 1 satellites
4. The sharpness of a television image is termed as its
Question Asked : SSC Combined Matric Level (Pre) Exam 2002 (Re-Exam)
(A) Clarity
(B) Colour
(C) Resolution
(D) Graphics
5. Waves that are required for long distance wireless communication are
Question Asked : SSC Combined Matric Level (Pre) Exam 2002
(A) Infrared rays
(B) Ultraviolet rays
(C) Radio waves
(D) Microwaves
6. To measure the speed of an approaching car a police officer shines
Question Asked : SSC Combined Matric Level (Pre) Exam 2002
(A) light waves on it
(B) microwaves on it
(C) radio waves on it
(D) ultra high frequency waves on it
7. The audio signals of TV are
Question Asked : SSC Combined Matric Level (Pre) Exam 2002, 2006
(A) Amplitude modulated
(B) Frequency modulated
(C) Unmodulated
(D) Velocity modulated
8. The radiant energy having lowest energy is
Question Asked : SSC Combined Matric Level (Pre) Exam 2015
(A) gamma rays
(B) UV rays
(C) visible light
(D) microwave radiation
9. In heating frozen foods in sealed pouches in a microwaves, why do you first poke holes in the pouch?
Question Asked : SSC Combined Matric Level (Pre) Exam 2000
(A) To prevent the steam pressure from bursting open the pouch
(B) To allow the heat to get into the food through the hole
(C) To allow the microwaves to get into the food through the holes
(D) To allow the aroma of the food to come out through the holes
10. ATM stands for
Question Asked : SSC Tax Assistant (Income Tax & Central Excise) Exam 2009
(A) Automatic Teller Machine
(B) Automated Teller Machine
(C) Automatic Tally Machine
(D) Automated Tally Mechanism
