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Q1. (a) In a three cylinder engine the power developed in the No. 1 cylinder is 5% less than in the No. 2 cylinder.

The power developed in the No. 3 cylinder is 20% more than in the No.1 cylinder.

Express the power developed by EACH of the cylinders as a percentage of the total power of the engine. (8)

(b) The mass of a square bar varies as its length and the square of its side.

The length of bar A is 34 of the length of bar B and the side of bar A is 23 of that of bar B.

The mass of bar A is 14 kg and both bars are composed of the same material.

Calculate the mass of bar B. (8)