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Air-petrol ratio in an automotive petrol engine is around ________________?
Related MCQs
__________ is the process used for setting up compressive stresses in the surface of a metal to improve its fatigue strength ?
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Specific gravity of hot metal (pig iron) is __________ times that of the blast furnace slag ?
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Pick out the wrong statement?
Identify the false statement?
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Pick out the wrong statement ?
__________ property of a material is determined by the Herbert Pendulum device?
The activity co-efficient of the solute in a dilute solution ?
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Natural water contains approximately __________ percent of heavy water?
Exposure to __________ accelerates the degradation of plastics?
The laminar boundary layer thickness in zero pressure gradient flow over a flat plate along the x-direction varies as x0.5 while the thickness of turbulent boundary layer varies as (where, x = distance from the leading edge) ?
Production of one ton of paper in Indian paper industry consumes about __________ kWh of electricity ?
A furnace is made of a refractory brick wall of thickness 0.5 metre and thermal conductivity 0.7 W/m.°K For the same temperature drop and heat loss, this refractory wall can be replaced by a layer of diatomaceous earth of thermal conductivity 0.14 W/m.K and thickness __________ metre?
For grinding of softer materials, the grinding wheel should have __________ grain size ?
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In case of compression of one kg of air, the work done will be the least, when the value of polytropic index ‘n’ is__________?
The pressure drop per unit length for laminar flow of fluid through a long pipe is proportional to (where, A = cross-sectional area of the pipe & D = Diameter of the pipe) ?
Corrosion rate cannot be lowered by reducing the __________ of the corroding medium?
The life of a ball bearing is inversely proportional to__________?
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The passage between the nozzle and the __________ is called ‘sprue’ in case of injection moulding?
Air-petrol ratio in an automotive petrol engine is around ________________?
A. 14 : 1
B. 22 : 1
C. 25 : 1
D. 4 : 1
Correct Answer:
14 : 1
✔
Last Updated:
February 11, 2019