Which of the following describes the introduction of a speech?
A) Where the speaker should go big
B) Where the speaker recaps the main points
C) All of the above

Coiled springs ought to be very strong and stiff. si3n4 is a strong, stiff material. would you select this material for a spring? explain.

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

Apressure vessel with an r/t 20 cannot be treated as thin walled vessel. a)-trune b)- false