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
What is used to prevent freezing of fuel in space crafts?
A Benzene
B Glycol
C Acetylene
D Ester
The minimum temperatures from Monday through Sunday in the first week of December in a region are observed to be 20c,40c,40c,50c,70c90c,100c. What is the range of the temperatures?
A -100c
B -80c
C 80c
D 100c
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)
বেনজিনের ফ্রিডেল ক্রাফট অ্যাসাইলেশনের বিক্রিয়ায় কোনটি উৎপন্ন হয়? (Which is produced from Friedel Crafts acylation of benzene?)
A Toluene
B Acetophenone
C Acyl chloride
D Benzophenone
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
When was the first time the Surajkund International Crafts Mela was held?
A 1957
B 1967
C 1997
D 1987
Crafts অর্থ কী? 
A দারুশিল্প
B কারুশিল্প
C কুটিরশিল্প
D চারুশিল্প
An important geometrical quantity in the cutting of metals which can be used as a criterion for machinability of metals is
A Cutting speed
B Feed rate
C Shear angle
D Tool geometry

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