Technician a says primary vibration is created by the slight differences in the inertia of the pistons between top dead center and bottom dead center. technician b says secondary vibration is a strong low-frequency vibration caused by the movement of the piston traveling up and down in the cylinder. who is right? a) technician a only b) technician b onlyc) both technicians a and b d) neither technician a nor b

After the 2008 recession, the amount of reserves in the us banking system increased. because of federal reserve actions, required reserves increased from $44 billion to $60 billion. however, banks started holding more reserves than required. by january 2009, banks were holding $900 billion in excess reserves. the federal reserve started paying interest on the excess reserves that the banks held. what possible impact will these unused reserves have on the economy?

What is the relationship between the national response framework and the national incident management system (nims)? a. the national response framework replaces the nims, which is now obsolete. b. the response protocols and structures described in the national response framework align with the nims, and all nims components support response. c. the nims relates to local, state, and territorial operations, whereas the nrf relates strictly to federal operations. d. the nims and the national response framework cover different aspects of incident management—the nims is focused on tactical planning, and the national response framework is focused on coordination.

Which of the following constitute the types of unemployment occurring at the natural rate of unemployment? a. frictional and cyclical unemployment.b. structural and frictional unemployment.c. cyclical and structural unemployment.d. frictional, structural, and cyclical unemployment.