A. Used in I.C. engines as fuel
B. Liquefied & stored under cryogenic conditions
C. Produced by electrolysis of water
D. All (A), B. & C.
Related Mcqs:
- Hydrogen in liquid steels is dissolved_________________?
A. As tiny gas bubbles
B. In the atomic form
C. In the ionic form
D. In the molecular form - The phenomenon occurring during explosion of a hydrogen bomb is___________________?
A. Nuclear fission
B. Nuclear fusion
C. A combination of both nuclear fission & fusion
D. None of these - While the oxy-acetylene flame produces a temperature of 3200°C, the temperature produced by oxy-hydrogen flame is about _____________ °C ?
A. 1800
B. 2000
C. 2400
D. 3000 - The activity of pure hydrogen gas at 1000°C and 5 atm pressure_________________?
A. Is always less than 1
B. Is always greater than 1
C. Can be 5
D. Depends on the choice of the standard state - Steel is welded using the ________________ flame ?
A. Carburising
B. Neutral
C. Oxidising
D. All A, B. & C - Wave length of X-rays is about 1 angstrom; however it cannot pass through a sheet of ________________?
A. Paper
B. Cloth
C. Lead
D. Aluminium - Out of the following, the ________________ pipe has the least corrosion resistance?
A. Mild steel
B. Copper
C. Cast iron
D. Wrought iron - Corrosion rate cannot be lowered by reducing the ________________ of the corroding medium?
A. Concentration
B. Velocity
C. Temperature
D. None of these - Removal of non-condensable from steam or other vapour is termed as the ________________ process?
A. Condensation
B. Deaeration
C. Scavenging
D. Exhaust - A material subjected ________________ must have high resilience?
A. Shock loading
B. Vibration
C. Fatigue
D. Tension
