Are thermal protection systems of space crafts commonly composed of one panel or a collection of smaller tiles?
2 5936If a number of planes are talking off form an aircraft carrier, what is the minimum interval required between the take-off of the successive planes ?
3 5058Which of the following Craftsmanships was not practiced by the Aryans ? (a) Pottery (b) Jewellery (c) Carpentry (d) Blacksmith
2 4903The name of India?s first aircraft carrier is: (a) INS Kukri (b) INS Nilgiri (c) INS Vikrant (d) INS Himgiri
8 14120When returning to the earth, spacecraft has a communication blackout. The reason is: (A) The returning spacecraft is doing so against the force of gravity, which inter-feres with the radio waves (B) During the re-entry period, the density of the plasma, generated by the intense frictional heat, is so high that the operational frequencies used for communication be come very much less than the plasma cut-off frequency, resulting in a total blackout (C) Stellar X-rays attract and absorb the sound waves (D) None of the above
1 3388The indigenous pilotless aircraft developed by Defence Research Development Organisation (DRDO) is called (1) Lakshya (2) Indra (3) Agni (4) Varuna
1 3415The spacecraft launched by the USA in 1972 to explore Jupiter which is still in orbit is: (1) Cosmos-1402 (2) Pioneer-10 (3) Cosmos-1445 (4) Observer
1 3747Air India recently decided to purchase 50 aircrafts from Boeing company. What will be the cost of the purchases? (Approximately in US $) 1 2 billion 2 4 billion 3 6 billion 4 10 billion
2 3652The remains of ?Liberty Bell-7?, the one-man spacecraft, were discovered recently in Atlantic Ocean. It was launched by 1 China 2 Russia 3 U.S.A 4 None of these
1 3345The F-7p fighter aircrafts which are being used by Pakistan Air Force are manufactured and supplied by which of the following countries? 1 France 2 China 3 U.S.A 4 U.K.
2 4424Light transport aircraft designed by the National Aerospace Laboratories (NAL), which recordedits maiden test flight in 2004, is called 1 Hawk 2 Hans 3 Garud 4 Saras
1 3629An aircraft takes off at the speed of 100km/hr at an angle of 30o runaway. What is the velocity of the aircraft along the runaway? 1 86.6 km/hr 2 1.96 km/hr 3 3.94 km/hr 4 2.92 km/hr
1 2812why three phase system is not preferred in aircrafts power cckts if yes than explain reasons?
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