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
It was a freezing day of winter. " Here freezing is -
A Adjective
B Adverb
C Verb
D Preposition
The freezing point of a liquid decreases when the pressure is increased, if the liquid __________ while freezing.
A Contracts
B Expands
C Does not change in volume
D Either A, B or C
Which of the following metals is used in Space Crafts to withstand high temperatures ?
A Fe
B Ti
C Ni
D Pb
Travelling at a constant speed of 32 miles per hours, a certain motorboat consumers 24gallons of fuel per hour. What is the fuel consumption of his boat this speed measured in miles per gallons of fuel?
A 2/3
B 3/4
C 4/5
D 4/3
A certain truck uses 18 gallons of diesel fuel in traveling 270 miles. In order for the truck to travel the same distance using 10 gallons of diesel fuel, by how many miles per gallon must the truck's fuel mileage be increased.
A 12
B 15
C 27
D 9
Two tanks are filled to capacity with automobile fuel. The first tank holds 600 gallons more than the second tank. If 100 gallons were to be pumped from each tank, the first tank would then contain 3 times as much fuel as the second tank. What is the total number of gallons of fuel in the two full tanks?
A 1,400
B 1,200
C 1,000
D 900
Air refrigeration cycle is used in the air crafts, because of
A Low temperature encountered at high altitude
B Its high heat transfer rate
C Its low unit weight per ton of refrigeration
D Its higher co-efficient of performance (COP)
Bangladesh Folk Arts and Crafts Museum is located in-
A Mainamati
B Mahasthangarh
C Sonargaon
D Naogaon
Atmospheric pollution caused by the exhaust gas of supresonic transport air-crafts is mostly in the atmospheric region called
A Thermosphere
B Stratosphere
C Troposphere
D Mesosphere

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