1.  The classic Harley-Davidson engines are two-cylinder , V-twin  engines with the pistons mounted in a "how many degree" "V" configuration
2. 1 km equals how many miles
3. Typically used in grouping context,  particularly for sporting teams,  what is the name of the unit of length which was common in Europe  and Latin America , but it is no longer an official unit in any nation.  It frequently referred to the distance a person or a horse could walk in an hour  and it had multiple values
4. The Nikkei 225 is a stock market index for the stock exchange of which country
5. What name is given to a passive  electronic component  consisting of a pair of conductors  separated by an insulator
6. In Engineering and Physics, what word beginning with the letter "P" is used to describe the propensity of a material to undergo permanent deformation under load
7. What name beginning with the letter "G"is given to a rotating  machine  part having cut teeth, or cogs, which mesh with another toothed part in order to transmit torque
8. What is the name of the energy of an object, which it possesses due to its motion . It is defined as the work  needed to accelerate a body of a given mass from rest to its stated velocity   
9. In the Roman numeral system, what does the letter V equal
10. What is the more common name for a polytetrafluoroethylene film cut to specified widths for use in sealing pipe threads
    
    

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1) 45 degree  2) 0.62 miles  3) League  4) Japan  5) Capacitor (previously known as a condenser)  6) Plasticity  7) Gear  8) Kinetic Energy  9) Five  10) Teflon Tape, Plumbers Tape, PTFE Tape or Tape Dope