Convert12 mm to .012 m. Hydrostatic pressure difference is $\Delta p=\rho gh=1000(9.81)(.012)=\mathbf{117.7}$ Pa. Draught is a small pressure deficit at the chimney base relative to outside air.
More Farm Power questions
GATE 2026 AG Q17– Fuel property P predominantly governs hard/cold starting in a spark-ignition…
GATE 2026 AG Q18– A tractor engine delivers brake torque 382 N·m at 2000 rpm. Its radiator fan draws 5% of…
GATE 2026 AG Q32– One kilogram of air is compressed reversibly from 100 kPa and 15 L to 2000 kPa and 1 L.…
GATE 2026 AG Q51– A four-cylinder four-stroke engine has 100 mm bore,120 mm stroke,1800 rpm mean speed and…
GATE 2025 AG Q28– Which methods evaluate fuel volatility for spark-ignition engines? Select all that apply.
GATE 2025 AG Q52– A four-stroke diesel engine has 6.0 L displacement,2300 rpm,75% mechanical efficiency and…