What is the unit of coefficient of thermal expansion in SI?
(A) m/K
(B) m/m/K
(C) m/m/K/K
(D) m/m
What is the unit of coefficient of moisture expansion in SI?
(A) kg/kg/m
(B) m/m/kg
(C) m/m/kg/kg
(D) kg/kg/m/m
What are the units of moisture concentration in SI?
(A) kg/m
(B) m/m
(C) kg/kg
(D) m/m/kg/kg
You are given the coefficients of moisture expansion of a unidirectional lamina. To now find the coefficients of moisture expansion of an angle lamina, what do you need (check all that apply)?
(A) angle of the ply
(B) strength parameters of unidirectional
lamina
(C) elastic moduli of unidirectional lamina
You are given the coefficients of thermal expansion of a unidirectional lamina. To now find the coefficients of thermal expansion of an angle lamina, what do you need (check all that apply)?
(A) strength parameters of unidirectional
lamina
(B) elastic moduli of unidirectional lamina
(C) angle of the ply