GATE Farm Power: Farm Power – Previous Year Questions
21 GATE previous year questions on Farm Power (Farm Power, Agricultural Engineering) with answers and explanations, from every paper.
- GATE 2021 AG Q24 – An SI engine has stoichiometric air–fuel ratio 14.7:1 and stated equivalence ratio λ=.92. Find actual air–fuel ratio, to two decimals.
- GATE 2021 AG Q33 – A chimney draught is 12 mm water column. Water density1000 kg/m³. Find outside-air minus chimney-base pressure in Pa, to one decimal.
- GATE 2022 AG Q14 – The lowest temperature at which fuel ceases to flow is called .
- GATE 2022 AG Q23 – A single-cylinder four-stroke diesel engine displaces 9 L, runs at 2400 rpm and has volumetric efficiency 88%. Find actual inducted air volume in…
- GATE 2022 AG Q40 – Ideal gas is compressed adiabatically with γ=1.4 from 98 to 480 kPa. Initial specific volume is .45 m³/kg. Find work done on gas in kJ/kg.
- GATE 2022 AG Q51 – An engine crank radius is 250 mm and connecting rod length1000 mm. At100° from head dead centre, net piston force along motion is 35 kN. Find crank…
- GATE 2022 AG Q52 – An engine delivers42 kW brake power at 24% brake thermal efficiency using fuel of heating value46.15 MJ/kg and density .845 kg/L. Source calls it B20…
- GATE 2023 AG Q16 – Diesel turbocharger effectiveness increases when
- GATE 2023 AG Q18 – A four-stroke diesel inlet opens10° before TDC/closes40° after BDC. Exhaust opens25° before BDC/closes15° after TDC. What percentage of a cycle has…
- GATE 2023 AG Q19 – A tractor develops150 N·m at maximum power and has 20% reserve torque. Find peak torque in N·m.
- GATE 2023 AG Q53 – A four-stroke engine uses diesel at 45 MJ/kg and BSFC260 g/(kW·hour),or B20 at 42.1 MJ/kg and 310 g/(kW·hour). Brake power is 20 kW. Find change in…
- GATE 2024 AG Q14 – Which fuel property is most important for running an IC engine in severe cold among these choices?
- GATE 2024 AG Q30 – An Otto cycle has air-standard efficiency56% and heat input12.5 kJ. Find rejected heat in kJ, to two decimals.
- GATE 2024 AG Q40 – A three-cylinder, four-stroke diesel engine has bore73 mm, stroke78 mm, speed 2200 rpm, brake torque55 N·m and indicated mean effective pressure1050…
- 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 800 kPa indicated mean effective pressure. Brake-specific…
- GATE 2025 AG Q53 – An engine has torque at maximum power T maxP=125 N·m, speed at maximum power N maxP=2400 rpm, high-idle speed N HI=2600 rpm, maximum torque 160 N·m…
- GATE 2026 AG Q17 – Fuel property P predominantly governs hard/cold starting in a spark-ignition engine;property Q predominantly governs ignition delay in a…
- GATE 2026 AG Q18 – A tractor engine delivers brake torque 382 N·m at 2000 rpm. Its radiator fan draws 5% of brake power and supplies 2.8\,m3/s of incompressible air…
- GATE 2026 AG Q32 – One kilogram of air is compressed reversibly from 100 kPa and 15 L to 2000 kPa and 1 L. Neglect other losses. Find the polytropic exponent n, to three…
- GATE 2026 AG Q51 – A four-cylinder four-stroke engine has 100 mm bore,120 mm stroke,1800 rpm mean speed and 0.9 MPa IMEP. Energy fluctuation/indicated work per…