Dear Friends,
We are posting prelims marathon MCQs for today. In this initiative, you can attempt 10 subjective MCQs on a daily basis. For schedule, refer to the archive link given below.
| For Prelims marathon archive – click here |
Start Quiz
Marking Pattern
Correct Answer : 2
Wrong Answer : -0.66
Your Score Card
Total Number of Questions : 10
Total Not Attempted Questions : 0
Total Correct : 7
Total Wrong : 3
Dhawan-1 is India’s first privately developed, fully cryogenic rocket engine. It runs on two high-performance rocket propellants — liquid natural gas (LNG) and liquid oxygen (LoX). The engine was developed using 3D printing with a super alloy.
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Graphene could increase the lifespan of a traditional lithium-ion battery.
Graphene oxide membranes are capable of forming a perfect barrier when dealing with liquids and gases.
#Perovskite Solar Cell (PSC):
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