space tech: launch vehicles

Question 1

what is a launch vehicle

Answer 1

a rocket propelled vehicle which is used to carry a payload from earth’s surface to earth’s orbit or space

Question 2

types of discontinued historical launch vehicles?

Answer 2

SLV (satellite launch vehicles) and ASLV (augmented satellite launch vehicles)

Question 3

which types of launch vehicles are operational in india

Answer 3

polar satellite launch vehicles (PSLV)
geosynchronous satellite launch vehicle (GSLV)

Question 4

which were the first gen launch vehicles

Answer 4

SLVs

Question 5

under whose leadership were first gen SLVs developed?

Answer 5

apj abdul kalam

Question 6

in which year was the first FAILED test for SLVs?

Answer 6

1979

Question 7

when was the first successful test for SLVs?

Answer 7

in 1980 which was the second test and successful

Question 8

which propellant were used in first gen SLVs?

Answer 8

4 stage solid propellants

Question 9

till which orbit could SLVs take a payload

Answer 9

LEO

Question 10

what was the payload capacity of first gen SLVs?

Answer 10

40-50 kg

Question 11

example of satellite of india launched through SLVs?

Answer 11

rohini series satellites

Question 12

which were the 2nd gen launch vehicles?

Answer 12

ASLVs

Question 13

during which years were ASLVs used?

Answer 13

1987-1994

Question 14

till which orbit could ASLVs take a payload?

Answer 14

LEO

Question 15

which types of propellant was used in 2nd gen?

Answer 15

for ASLVs a 5 stage solid propellant

Question 16

payload capacity of ASLVs?

Answer 16

140-150 kg

Question 17

which series satellites were launched through ASLVs?

Answer 17

SRoSS

stretched rohini series satellites

Question 18

full form of SRoSS?

Answer 18

stretched rohini series satellites

Question 19

which were the 3rd gen launch vehicles?

Answer 19

PSLV
polar satellite launch vehicles

Question 20

since when is india using PSLVs?

Answer 20

1994

Question 21

which is the main launch vehicle of ISRO?

Answer 21

PSLVs

Question 22

imp
which type of propellant is used in PSLVs?

Answer 22

4 stage (solid, liquid, solid, liquid)

Question 23

how many strap on boosters in PSLVs?

Answer 23

6

Question 24

what kind of propellant is used in strap on boosters of PSLVs?

Answer 24

solid propellant in the 6 boosters of PSLVs

Question 25

which engine is used in solid state of PSLVs?

Answer 25

S139 engine

Question 26

which engine is used in liquid state of PSLVs?

Answer 26

vikas engine

Question 27

full form of vikas engine?

Answer 27

vikram ambalal sarabhai

Question 28

how many strap on boosters on the core alone of PSLVs?

Answer 28

no strap on boosters

Question 29

difference in the strap on boosters on standard and extra large PSLVs?

Answer 29

in ground/standard the 6 strap on boosters are with 9 tonne solid propellant vs in XL it is 12 tonne solid propellant in the same 6 strap on boosters

Question 30

in which orbit do PSLVs launch payload

Answer 30

all kinds of PSLVs launch in LEO 3rd gen tak LEO tak hi phoche

Question 31

payload capacity of a standard PSLV?

Answer 31

1680 kg up to LEO

Question 32

payload capacity of core alone of PSLV

Answer 32

1100 kg standard 1680 kg tak le jata

Question 33

payload capacity of xl PSLV

Answer 33

1800 kg core akeli 1100

Question 34

which are the 4th gen launch vehicles

Answer 34

GSLV

Question 35

which are the most powerful launch vehicles of isro

Answer 35

gslv sabse common pslv sabse powerful gslv

Question 36

since when is ISRO using GSLVs?

Answer 36

since 2001

Question 37

imp what kind of propellants are being used in GSLVs?

Answer 37

3 stage solid, liquid and cryogenic

Question 38

how many strap on boosters in GSLVs?

Answer 38

4 PSLV me 6 the

Question 39

what kind of propellant is used in strap on boosters of GSLV?

Answer 39

liquid propellant PSLV me solid tha

Question 40

which engine is used in solid stage of GSLVs?

Answer 40

S200 engine PSLV me s139 tha

Question 41

which engine is used in liquid stage of GSLVs?

Answer 41

vikas engine same as PSLV

Question 42

which cryogenic engine is used in GSLVs?

Answer 42

CE7.5 or CE 20

Question 43

imp when is CE7.5 used in cryogenic engine for GSLVs vs when is CE20 used?

Answer 43

mk 2 CE7.5 mk 3 CE20

Question 44

which cryogenic engine was used in mk 1 gslv

Answer 44

russian kvd engine

Question 45

very imp carrying capacity table draw for types of GSLV

Answer 45

Question 46

imp mains why are RLVs the future of launch vehicles

Answer 46

they reenter the earth's atmos after launching the payload into space and lands at the targetted location while withstanding excessive heat and pressure thus they can be used for multiple launches

Question 47

when was RLV successfully tested by isro

Answer 47

in 2016

Question 48

name of the rlv successfully tested by isro in 2016

Answer 48

RLV-TD(technology demonstrator)

Question 49

which engine is used in rlv

Answer 49

scramjet

Question 50

full form of scramjet

Answer 50

supersonic combustion ramjet

Question 51

mains and pre 5 tests conducted under RLVs?

Answer 51

hypersonic flight autonomous landing powered cruise flight hypersonic flight using air breathing propulsion ATV (advanced technology vehicle)

Question 52

mains imp significance of using RSLVs?

Answer 52

1 cost decrease of launch 2 frequent launches possible 3 manned mission possible like gaganyan 4 which would encourage space research 5 revenue increment 6 restrain problems of space debris 7 credibility of india and isro in tech field increase

Question 53

which rocket is under construction in the project of SSLV by isro?

Answer 53

baby rocket

Question 54

what kind of satellite payloads can be carried by SSLVs?

Answer 54

small satellites like micro and nano

Question 55

capacity of SSLVs for LEO

Answer 55

upto 500 kgs

Question 56

capacity of SSLVs for SSO

Answer 56

upto 300 kgs

Question 57

which orbits would SSLVs launch to

Answer 57

LEOs and SSOs

Question 58

mains short characteristics of SSLVs

Answer 58

can be assembled in 15 days capable of carrying small payloads capable of multiple orbital drop offs

Question 59

how many stage propellants for SSLVs?

Answer 59

3 stage

Question 60

significance of SSLVs

Answer 60

launch cost decrease frequent launch possible increment in revenue