Technician a says that the two-stroke spark engine uses a dual-lobe camshaft. technician
b says that a typical two-stroke spark engine does not use a crankshaft. who is correct?

The higher the astm grain-size number, the coarser the grain is. a)-true b)-false

The drive force for diffusion is 7 fick's first law can be used to solve the non-steady state diffusion. a)-true b)-false

Which from the following instrument is commonly used to detect the high pitch butzing sound in bearings? [clo4] a)-digital ultrasonic meter b)-infrared camera c)-spectroscopic d)-vibrometer