Allied & ICAR Exam Bank • ALLIED_2887 NAT • 2 Marks

Section 2: Farm Machinery

Farm Machinery

Subtopic: Functional requirements, principles of working, construction and operation of manual, animal, tractor and renewable energy operated equipment for tillage, sowing, planting, fertilizer application, inter-cultivation, spraying, mowing, chaff cutting, harvesting and threshing

Question Statement:

According to hydraulic nozzle discharge laws, discharge $q$ varies with pressure $P$ as $q \propto \sqrt{P}$. If pressure is quadrupled ($P \to 4P$), nozzle flow rate increases by a factor of:

Answer Key:

2

Step-by-Step Solution & Explanation

$q_2 / q_1 = \sqrt{4} = 2$.
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