Write down the equation for the stoichiometric combustion of ethane (c2h6) with oxygen, and determine the stoichiometric air fuel mass ratio. atomic weights: h=1, c=12, o=16 (all kg/kmol), air composition: 23.3% oxygen, 76.7% nitrogen (by mass).

The temperature of air decreases as it is compressed by an adiabatic compressor. a)- true b)- false

Ifa component is made of two or more materials with different modulus of elasticity (e), it is called a composite member and we calculate the factor·n". mention the formula for calculating n". also, ifn> 1, explain what will happen to the 1. transformed.gi) ifn 1, what will happen to the material when transformed material when

Select any two (2) areas of applications of chain-drive. (clo4) a)-permanent lubrication necessary b)-hydraulic forklift truck operation c)-rigging and heavy moving materials d)-relatively high maintenance costs e)-costlier than belt drives