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- Question 1 of 15
It is proposed to construct bench terraces on a 10% hill slope. If the batter slope is ½ H : 1 V, the percentage area that will be lost for cultivation due to bench terracing isCorrectIncorrect
- Question 2 of 15
The brake power of a four-cylinder engine is 30 kW with all cylinders firing and 20 kW with any one cylinder cut. The mechanical efficiency of the engine in percent isCorrectIncorrect
- Question 3 of 15
Match the processes given in Group-I with the derived products given in Group-II.
a. Producer gas
- Question 4 of 15
While operating a pedal thresher, 14 kg of paddy seed remained unthreshed for a throughput of 112 kg. If the quantity of the threshed seed obtained was 70 kg, the threshing efficiency in percent isCorrectIncorrect
- Question 5 of 15
The pitch of the chain used in a chain drive motion is 38 mm. If the number of teeth on one of the sprockets is 35, the pitch circle diameter of the sprocket in m isCorrectIncorrect
- Question 6 of 15
A tractor tyre contains 31 L of air at a pressure of 190 kPa and a temperature of 30 Celsius. Using R=8.314 J/ (gmol)K and molecular mass of air = 29 g /(gmol), the mass of air contained in the tyre is M × 10 to the power -1 kg. The value of M isCorrectIncorrect
- Question 7 of 15
A flywheel and clutch assembly weighs 200 N and has a radius of gyration 150 mm. If the engine speed is 3000 rpm, the kinetic energy possessed by the rotating assembly in kJ isCorrectIncorrect
- Question 8 of 15
A vertical conveyor reaper costing Rs. 75000 has a useful life of 8 years. Taking salvage value of the machine as 10% of the initial cost, the depreciated value after half of its useful life following straight line method will be Rs.CorrectIncorrect
- Question 9 of 15
The process of determining the elevation of different points in a vertical plane is known asCorrectIncorrect
- Question 10 of 15
An imaginary surface obtained by joining the water levels in several observation wells driven in a confined aquifer is known asCorrectIncorrect
- Question 11 of 15
Several identical sprinkler nozzles, each having discharge Q (litre per minute), are spaced in a grid of size L (metre) × S (metre). The application rate in mm/h isCorrectIncorrect
- Question 12 of 15
A 20 m chain used for surveying is found to be actually 19.7 m. If the actual distance is 1200 m, the chain distance in m will beCorrectIncorrect
- Question 13 of 15
The brake power of a centrifugal pump having an impeller diameter of 200 mm is 1.86 kW. If the impeller is replaced with another impeller of 180 mm diameter, the brake power of the pump in kW will beCorrectIncorrect
- Question 14 of 15
The discharge of a single suction centrifugal pump operating against a total head of 12 m is 50 L/s. If the pump is directly connected to a motor operating at 1440 rpm, the specific speed of the pump will beCorrectIncorrect
- Question 15 of 15
A fat rich food product remains most stable in the water activity (aw) range ofCorrectIncorrect