Q50 Asingle Jet Carburettor is to supply 6kg/min of air and 0.4 kg/min of petrol,of specific gravity 0.75. The air is initially at 1.013 bar and 27°C. Assuming anisentropic coefficient of 1.35 for air, determine @ the diameter of the venture if theair speed is 90 m/s and the velocity coefficient for venturi is 0.85 the diameterof the jet if the pressure drop at the jet is 0.8 times the pressure drop at the onVenture and the discharge coefficient for the Jet is 0.66. Luse exact method].Answers [ a- 3.56 b- 2 mm]107 andwoll

Step 1: where R=287 J/kg Step 2: Step 3: IF ANY QUESTION AND DOUBT ASK ME IN COMMENT SECTION…

Answered: Q50 Asingle Jet Carburettor is to…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Q2 It is proposed to design a crburettor for Maruti Car. The four strok petrol engine has a displacement (swept) of 796 cm³ and develops maximum Power at 5500 rev/min. The volumetric efficiency at this speed is assumed to be 70% and the air-fuel ratio is 13.5:1.It is expected that at peak power the theoretical air speed at the choke will be 105 m/s. the coefficient of discharge for the venturi is assumed to be 0.85 and that of the main petrol iet is 0.66. An allowance should be made for the emulsion tube, the diameter of which can be taken as 1/2.5) of the choke diameter. The petrol surface is 6mm below the choke at this engine condition. Calculate the sizes of a suitable choke and main jet. The specific gravity of petrol is 0.74. Atmospheric pressure and temperature are 1 bar and 27°C respectively. [Answers 21.3 mm, 1.183 mm ] .
The first compressor blade pair in a turbojet is to be designed with symmetric blading. If the inflow to the compressor has a gas speed measured as 108m/s, for this speed the shaft is designed to rotate at 262rad/s, and the mean blade radius of this first blade row is 0.51m, to what angle should the first stator be set? Express your answer in degrees.
Please help me Need solution through half hr.
HomWork عماد داود عبود (35) Q1 The Fiat car has a four strok engine of 1089 c.c capacity.It develops maximum power 32kw at 5000 r.p.m. The volumetric efficiency at this speed is 75% and the air-fuel ratio 13:1, At peak power the theoretical air speed at the chake is 120 m/sec. The coefficient of discharge for the venturi is 0.85 and that of the main petrol jet is 0.66. An allowance should be made for the emulsion tube, the diameter of which can be taken as (1/2.5) of the choke diameter. the Petrol surface is 6 mm blow the choke at this engine condition. Calculate the size of a suitable chake (D) and main jet (d). The specific gravity of Petrol is 0.75 and the atmospheric pressure 1.03 bar and temperature 27°c. [D=23.2mm, d=1.296mm]
3. Assume the turbine as an incompressible flow machine. The average meridional speed is given as 150m/s. The flow coefficient is 0.5. Determine the blade speed that satisfies the above conditions.4. In a two-dimensional compressor cascade, inlet stagnation air pressure is 1.5 bar and inlet stagnation temperature is 330K. For an inlet Mach number of 0.75 and an inlet flow angle of 500, the exit flow angle is measured as 15.80. Determine the mass flow rate per unit frontal area, the exit Mach number and the static pressure ratio across the cascade. Assume the flow is isentropic.
Albert bought a portable device to pump his truck tyres. On the manual, he found out that the device is a single stage, single-acting air compressor. Air delivery for thisdevice is 30 bar at a speed of 1500 rev/min. The atmospheric condition of his locationis 87 kPa and 20 ˚C, with a FAD of 0.22 m2/min. The clearance volume is 4% of the swept volume and the stoke/bore ratio is 1.3/1. Take “n” as 1.3, cp = 1.005 kJ/kg K, cv = 0.718 kJ/kg K 1.What is the delivery isothermal efficiency of the compressor percentages to 2 decimal places?
Albert bought a portable device to pump his truck tyres. On the manual, he found out that the device is a single stage, single-acting air compressor. Air delivery for thisdevice is 30 bar at a speed of 1500 rev/min. The atmospheric c ondition of his location is 87 kPa and 20 ˚C, with a FAD of 0.22 m2/min. The clearance volume is 4% of theswept volume and the stoke/bore ratio is 1.3/1.Take “n” as 1.3, cp = 1.005 kJ/kg K, cv = 0.718 kJ/kg K Calculate 1 What is the delivery volume in terms of stroke volume, provide the coefficient values of the swept volume to 4 decimal places? 2 What is the delivery isothermal efficiency of the compressor percentages to 2 decimal places? 3 What is the induced volume per stroke in m3 to 6 decimal places?
Albert bought a portable device to pump his truck tyres. On the manual, he found out that the device is a single stage, single-acting air compressor. Air delivery for thisdevice is 30 bar at a speed of 1500 rev/min. The atmospheric c ondition of his location is 87 kPa and 20 ˚C, with a FAD of 0.22 m2/min. The clearance volume is 4% of theswept volume and the stoke/bore ratio is 1.3/1.Take “n” as 1.3, cp = 1.005 kJ/kg K, cv = 0.718 kJ/kg K Calculate 1 Determine the volumetric efficiency in percentage to one decimal place. 2 What is the isothermal power of the compressor in kW to 2 decimal places in kW 3 Provide the answer values of the stoke in mm to 1 decimal place.
A simple jet carburetor is required to supply 5 kg of ai and 0.5 kg of fuel per minute. The fuel specific gravity is 0.75. Thrnea'r is initially at 1 bar and 300 K. Calculate the throat diameter or ir choke for a flc ty ocity of 100 m/s. Velocite oefficient is 0.8. If the pressure drop acit 1 1he fuel metering orific orifice diameter assuming. Caf .60 and= 1.4. 80 of that of the choke. calculate
A 6inx10in in direct acting duplex pump with 1.5inches in piston rods make 35 double stroke percylinder per minute and delivers 135gpm of 100°F water against a total head of 460ft. The steamis supplied to the steam end at pressure of 150psig and exhaust to the atmosphere. Amount ofsteam supplied is 3800lb per hr at 0.98 quality; barometer is 20.6inHg. Assume that the pistonmake full stroke. Find the piston displacement of the pump in cm3/sec.
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