5) In TIG welding, the welding zone is shielded by an atmosphere of
Answer is:
Helium gas
Related RRB JE Mechanical Question Paper 2014 (Set-2) with Answers
Answer is:
Transmission of hereditary characteristics
Explanation:
Chromosome, the microscopic threadlike part of the cell that carries hereditary information in the form of genes
Answer is:
Live wire
Explanation:
The earth wire causes a strong current to pass between the live and earth wires as a failure happens where the live wire attaches to the case. This overheats the fuse that melts the circuit and splits. Hence, we can see that all the switches of electric appliances are put in the live wire.
Answer is:
An intermediate range ballistic missile
Explanation:
Agni-II, is the second strategic ballistic missile of Agni family envisaged to be the mainstay of the Indian missile-based strategic nuclear deterrence. The Agni-II is a medium-range ballistic missile with two solid fuel stages and a Post Boost Vehicle integrated into the missile's Re-entry Vehicle