Determine the force in each member of the loaded truss. Make use of symmetry of the truss and of the loading. Forces are positive if in tension, negative if in compression.

solve all please and write the correct answer with a reason asap. 1. An acceptable intake valve seat width is: A. 1/ 16 inch (1.58 mm). B. 3/16 inch (4.76 mm). C. 7/ 32 inch (5.56 mm). D. ¼ inch (6.35 mm). 2. All of the following are considerations when grinding valve seats except: A. Dress the stone before grinding any seat. B. Remove only enough material to provide a new surface. C. Use transmission fluid to lubricate only the stone. D. Do not apply pressure to the grinding stone. 3. Technician A says that if the valve seat is too narrow, the valve may burn. Technician B says that if the valve seat is too wide, the valve may not seal properly. Who is correct? A. A only B. B only C. Both A and B D. Neither A nor B 4. Technician A says that cylinder head and block deck resurfacing may affect rocker arm geometry. Technician B says that intake manifold replacement will change rocker arm geometry. Who is correct? A. A only B. B only C. Both A and B D. Neither A nor B 5. Technician A says…

1.How is the length of a Flat Head or Countersunk, and a Fillister type of machine screw measured?