Methane has a heating value of about ____ kcal per gram of fuel and plant biomass has a heating value of about ____ kcal per gram of fuel
a. 13; 4.3 c. 4.3; 15
b. 15; 14.3 d. 12.3; 5.3
A
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?Large slabs or blocks of flexible polyurethanes are cast in open and closed molds and cut into slabs for _____.
A. ?flotation material in boats B. ?coatings on fabrics C. ?mattress stock D. ?insulation in rail cars
PROBLEM 3.6 (a) For the hollow shaft and loading shown, determine the maximum shearing stress. (b) Determine the diameter of a solid shaft for which the maximum shearing stress under the loading shown is the same as in part a.
_______________ are composed of branches that are connected in parallel and in series with other branches
A. Bridge networks B. Parallel connections C. Parallel resistors D. Series-parallel circuits
ASE-Style Multiple Choice ____ help prevent bolts and nuts from loosening or they fit through pins to hold parts together.
A. Snap rings B. Cotter pins C. Round taper pins D. Dowel pins