STUDY LESSON:-33 [CIVIL ENGINEERING]
For Competitive exams/Railway jobs/Semester exam/Self Study Purpose
1. Air refrigeration operates on ____________
2. What kind of compressor is used for Domestic Refrigerator?
3. The Intensity of earthquake is measured on ___________
4. Earthquake occurs due to __________
5.______________ metal is most abundant in the earth crust
a) Iron b) Aluminium c) Brass d) copper
6. Color of light depends upon ____________
7. The gas filled in the filament bulbs used is ___________
a) methane b) Nitrogen c) carbon dioxide d) Helium
8. One lux is equal to ____________
9. The melting point of carbon is ___________
10. A mercury vapor lamp produces __________ color light
Answers:-
1. Brayton cycle
2. Piston type Reciprocating
3. Richter Scale
4. the movement of the earth crust
5. b) Aluminium
6. wave length and frequency
7. b) Nitrogen
8. One lumen/sq. m
9. 3500°C
10. Greenish Blue
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