Aprinting machine of mass 300 kg is mounted on an elastic material of unknown properties, a a worker excites the machine with harmonic force of magnitude 100 n at 30 hz. the amplitude registers 0.2 mm with a phase lag of 20 compute the stiffness and damping coefficient of the mounting

Apipe with an outside diameter of 15 cm is exposed to an ambient air and surrounding temperature of -20°c. the pipe has an outer surface temperature of 65°c and an emissivity of 0.85. if the rate of heat loss from the pipe surface is 0.95 kw per meter of length, the external convective heat transfer coefficient (h) is: (a) 12.5 w/m"k (b) 18.6 w/mk (c) 23.7 w/mk (d) 27.9 w/mk (e) 33.5 w/mk

Condition monitoring is a major component of. (clo4) a)- predictive maintenance. b)-preventive maintenance c)-proactive maintenance d)-reactive maintenance.

What is a monomer? how do they form a ploymer from the view point of chemical bonding?