UnScramble this Word: o m a s r d r?

Questions

Which crown is placed on an english monarchs head at the moment of coronation?

Which novel did Ernest Hemingway say that all modern american literature comes from?

What facility on a space shuttle includes a footrest,hand grips,seat belt and a suction fan?

dash-dash, dash-dash-dot, dot-dash-dash, dot-dot-dot, dot?

Which volcano could erupt over the town of Ottaviano?