. Let P be a point on the parabola y2 = 4ax with focus F. Let Q denote the foot of the perpendicular from P onto thetan ?PQFdirectrix. Thentan ?PFQ is(A) 1 (B) 1/2 (C) 2 (D) 1/4

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consider the figure of a single riveted lap joint as follows

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cyclic heat engine operates between. temperature of 30 C. What is the least rate of heat rejection per kW net output of an engine. source temperature of 800 C and sink

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