Cooling system of a 6.8 KW diesel engine at full load will remove heat at a rate of ________

← Prev Question Next Question →

1 Answer

Related questions

+1 vote

1 answer

A diesel tractor consumes 5 litres per hour of fuel whose density is 0.836 kg per litre. The heating value of the fuel is 45.4 MJkg^-1. If the thermal efficiency of the engine is 0.30, the transmission efficiency is 0.90 and the tractive efficiency is 0.75, the drawbar power of the tractor will be __________

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+1 vote

1 answer

What is the quantity of water which is to be circulated through the radiator, if diesel tractor developed 80 KW with coolant temperature difference 5.5° C?

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+1 vote

1 answer

Which of the following is not a feature of diesel engine?

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+1 vote

1 answer

Which of the following stages is the last stage of the combustion process in diesel engine?

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+2 votes

1 answer

A diesel engine transmits 25 KW at the end of the crankshaft, moving at 1650 rev/min, find the torque exerted by the piston.

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+1 vote

1 answer

Which is the third port, apart from exhaust and suction ports used in two-stroke engine?

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+1 vote

1 answer

What is the viscosity index for an oil having viscosity = 100s at 38°C? (L=137.9; H=107.1)

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+1 vote

1 answer

If a diesel engine has a compression ratio of 24 and the cut-off takes place at 5% of stroke, the air standard efficiency will be ___________

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+2 votes

1 answer

Which of the following is not a method of supplying fuel to the jet of the carburettor?

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+1 vote

1 answer

A high-speed diesel engine operating at 2000 rev/min has a single cylinder. During the compression stroke, the fuel injection starts 20° before TDC and ends at TDC. Determine the duration the fuel injection takes place.

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+1 vote

1 answer

A four-stroke diesel engine operating at 1200 rpm uses 0.1 kg of fuel in 5 minutes and has the brake specific fuel consumption equals to 0.1910 kg\BHP\h. Calculate the torque developed.

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+1 vote

1 answer

A four cylinder two- stroke cycle engine with a swept volume of 750 cm^3 per cylinder gives a specific fuel consumption of 0.25 kg KW^-1 h^-1. When developing a brake mean effective mean pressure 650 kPa at 1500 rpm. What is the brake thermal efficiency, if the calorific value is 40 MJ kg^-1?

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+1 vote

1 answer

A four-cylinder tractor engine develops 50 KW at 3000 engines when tested on a prony dynamometer on brake arm length of 96 cm. What is the torque?

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+2 votes

1 answer

What is the compression ratio of an engine whose dimensions are 100*120 mm and length of clearance space at the top dead centre being 8 mm?

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+1 vote

1 answer

Diameter and stroke length of the piston of a 4 stroke-4-cylinder diesel engine are 10 cm and 12 cm respectively and speed of crank shaft is 2000 rpm. Calculate brake power.

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+1 vote

1 answer

What is the regulation of speed when speed at no load of engine is 1973 rpm and speed at load is 1873 rpm?

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+1 vote

1 answer

Whenever a system undergoes a cyclic change, the algebraic sum of work transfer is proportional to the algebraic sum of heat transfer as work and heat are mutually convertible. Which law of thermodynamics suggests this?

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+2 votes

1 answer

The pipe which connects the intake system to the inlet valve of the engine and through which air or air-fuel mixture is drawn into the cylinder is known as _______

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+2 votes

1 answer

A six-cylinder 4-stroke engine has bore diameter 11 cm and stroke length 12.2 cm running at 2800 rev/min consumes 455m^2 of air per hour. What would be the volumetric efficiency of the engine?

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+1 vote

1 answer

A six-cylinder engine has 130 mm stroke and 109.4 mm bore. The displacement of the engine at a compression ratio is 17:1 is equal to _________

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+1 vote

1 answer

The amount of heat required to raise the temperature of 1 gram of substance through 1°C is known as ________

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+1 vote

1 answer

An I.C. engine consumes high speed diesel oil at the rate of 0.5 kg/h. What is the power of the engine?

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+1 vote

1 answer

An IC engine consumes high speed diesel oil at the rate of 0.5 kg/h. Calculate the power of the engine.

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+1 vote

1 answer

The ratio of the actual weight of air induced by the engine in the intake stroke to the theoretical weight of air that should have been induced due to piston displacement at intake temperature and pressure is known as ___________

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+2 votes

1 answer

A diesel tractor develops 60 KW with a coolant temperature difference 5.5°C. What will be the quantity of water to be circulated through the radiator?

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

...