A capillary tube has a diameter of 3 mm and 100 mm length. A head of 10 cm ...
View QuestionWhat is the maximum permissible V-belt sag?
a) 15 mm b) 20 mm c) 10 mm d) 18 mm Answer: a Explanation: The tension ...
View QuestionWhat amount of washing soda and kerosene oil should be added in water to make a solution to clean the cooling system?
a) 2 kg water and 0.5 kg kerosene oil b) 2.5 kg water and 1.5 kg kerosene oil
View QuestionWhat is the formula for Newton’s law of cooling?
a) \(\frac{dθ}{dt}\) = KA (θ-θ0) b) \(\frac{dθ}{dt}\) = KA (θ+θ0) c) \(\frac{dθ}{dt}\) = KA (θ*θ0) d) \(\frac{dθ}{dt}\) = ...
View QuestionWhich of the following is not a method of water cooling?
a) Open jacket or hopper method b) Open flame method c) Thermosiphon method d) Forced circulation method
View QuestionWhat are the different temperatures at which thermostats fully opens for petrol and diesel engine respectively?
a) 106°C;120°C b) 89°C;98°C c) 82°C;90°C d) 100°C;102°C Answer: c Explanation: The purpose of thermostat is to ...
View QuestionWhat is the range of best operating rating temperature of I.C. engine?
a) 106°F – 120°F b) 140°F – 200°F c) 106°F – 200°F d) 120°F – 140°F Answer: ...
View QuestionA four-stroke diesel engine operating at 1200 rpm uses 0.1 kg of fuel in 5 minutes and develops a torque of 7.5 kg-m. What is the brake specific fuel consumption.
A four-stroke diesel engine operating at 1200 rpm uses 0.1 kg of fuel in 5 minutes and develops ...
View QuestionAn I.C. engine consumes high speed diesel oil at the rate of 0.5 kg/h. What is the power of the engine?
An I.C. engine consumes high speed diesel oil at the rate of 0.5 kg/h. What is the power ...
View QuestionWhich component is used to supply air under pressure to the cylinders of the engine?
a) Turbocharger b) Fuel filter c) Fuel injector d) Combustion chamber Answer: a Explanation: Turbocharger is a ...
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