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Engineering :: Heat Engines

451.  The maximum horse power of Fiat engine is around
A. 11 B. 15
C. 25 to 30 D. 40 to 50
E. 60 to 80    
452.  The horse power of engine for a ship is of the order to
A. 50 to 100 B. 100 to 500
C. 500 to 1000 D. 1000 to 5000
E. 10,000 to 40,000    
453.  The power for the propulsion of ship is provided by
A. Diesel engines B. Steam turbines
C. Either (A) and (B) above D. Batteries
E. Any of the above    
454.  Which of the following chemical acts as anti-freeze?
A. n-heptane B. Ethyl alcohol
C. Naphtha D. Lead acetate
E. Glycol    
455.  Naphtha is used as
A. Fuel for furnaces B. Fuel for aero engines
C. Fuel for marine engines D. Lubricant for turbines
E. Lubricant for slow speed engines    
456.  Normally the colour of exhaust from a petrol engine is
A. Bluish B. Yellowish
C. Reddish D. Violet
E. Black    
457.  The ash content in diesel oil should not exceed
A. 0.01% B. 0.10%
C. 0.50% D. 1%
E. 5%    
458.  In cse the exhaust silencer of a petrol engine is partly choked, it is likely to result in
A. Increased compression ratio B. Increased fuel consumption
C. Reduced fuel consumption D. Reduced compression ratio
E. None of the above    
459.  Solid injection in diesel engines implies
A. Use of solid fuels B. Supply of fuel in the form of solid
C. Injecting fuel without air D. Injecting fuel and air simultaneously
E. Injecting fuel with lubricating oil    
460.  The most effective air cleaner for diesel engines is
A. Dry type B. Wet type
C. Whirl type D. Oil bath type
E. Rope type    

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