Related Questions

Read the following passage carefully and then choose the right word to complete the sentence that follows. Rockets are very expensive as it can be used only once. Appled scientists have therefore develped a reusable space craft called a space shuttle which takes off like a rocket; however, does no get destroyed as it returns to earth. It can also be used to lunch satellired into space, retrieve them from space if any repairing os required and allow around 8 scientists to crryout experiments in space. The space shuttle does not get.
A flattened
B enlarged
C ruined
D developed
In a engineering, test, a rocket sled is propelled into a target. If the sled's distance d in meters from the target is given by the fomula d = - 1.5 t2+120, where t is the number of seconds after rocket ignition, then how many seconds have passed since rocket ignition when the sled is 10 meters from the target?
A 2.58
B 8.59
C 8.94
D 9.31
What is the minimum escape velocity of rocket to be launched into space ?
A 5 Km/Sec.
B 6 Km/Sec.
C 11 Km/Sec.
D 15 Km/Sec.
When an object enters earths atmosphere, it travels ----
A very repidly
B in a rapid manner
C fastly
D rapidly
How many meters will I be away from my home if 1 travel 5 meters towards north, take a right and travel 4 meer and travel 5 meters towards south?
A 5
B 4
C 10
D 14
On his way home from shopping. Monika must travel due south for 5 miles and due east for another 12 miles to reach his mouse. If she could travel in a straight line from the would she travel?
A 1
B 4
C 8
D 13
A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity.
A 45
B 60
C 80
D 95
Only rocket engines can be propelled to space because
A They can generate very high thrust
B They have high propulsion efficiency
C These engines can work on several fuels
D They are not air breathing engines
In a footstep bearing, if the speed of the shaft is doubled, then the torque required to overcome the viscous resistance will be
A Double
B Four times
C Eight times
D Sixteen times
In a footstep bearing, if the radius of the shaft is doubled, then the torque required to overcome the viscous resistance will be
A Double
B Four times
C Eight times
D Sixteen times

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