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What is manufacturing management? Explain the contribution made by Henry Ford, Deming, Crosby and Taguchi in the development of production management.

Steam at 7 bar , dryness 0.9 , expands in a piston cylinder assembly at constant pressure until the temperature is 200 C . CALCULATE THE WORK DONE AND HEAT SUPPLIED PER KG OF STEAM DURING THE PROCESS

An ideal Diesel engine has a compression ratio

of 20 and uses air as the working fluid. The state of the air

at the beginning of the compression process is 95 kPa and

20oC. If the maximum temperature in the cycle is not to

exceed 2200 K, determine

• The thermal efficiency.

Use constant specific heats at room temperature.

of 20 and uses air as the working fluid. The state of the air

at the beginning of the compression process is 95 kPa and

20oC. If the maximum temperature in the cycle is not to

exceed 2200 K, determine

• The thermal efficiency.

Use constant specific heats at room temperature.

An ideal Diesel cycle has a compression

ratio of 20 and cut off ratio of 1.3. Determine the

maximum temperature of the air and the rate of heat

addition to this cycle when it produces 250 kW of

power. The air is at 90 kPa and 15oC at the end of the

suction stroke

ratio of 20 and cut off ratio of 1.3. Determine the

maximum temperature of the air and the rate of heat

addition to this cycle when it produces 250 kW of

power. The air is at 90 kPa and 15oC at the end of the

suction stroke

The compression ratio of an air-standard Otto cycle is

9.5. Prior to the isentropic compression process, the air is at 100

kPa, 35oC, and 600 cm3

. The temperature at the end of isentropic

expansion process is 800 K. Using specific heat values at room

temperature, determine (a) the highest temperature and

pressure in the cycle; (b) the amount of heat transferred; (c) the

thermal efficiency.

9.5. Prior to the isentropic compression process, the air is at 100

kPa, 35oC, and 600 cm3

. The temperature at the end of isentropic

expansion process is 800 K. Using specific heat values at room

temperature, determine (a) the highest temperature and

pressure in the cycle; (b) the amount of heat transferred; (c) the

thermal efficiency.

An ideal Otto cycle has a compression ratio of 8 and takes

in air at 95 kPa and 15oC, and the maximum cycle temperature is

1200oC. Determine the heat transferred to and rejected from this

cycle, as well as the cycle’s thermal efficiency.

in air at 95 kPa and 15oC, and the maximum cycle temperature is

1200oC. Determine the heat transferred to and rejected from this

cycle, as well as the cycle’s thermal efficiency.

An ideal Otto cycle has a compression ratio of 10.5, takes in

air at 90 kPa and 40oC, and is repeated 2500 times per minute. Using

constant specific heats at room temperature, determine the thermal

efficiency of this cycle and the rate of heat input if the cycle is to

produce 90 kW of power.

air at 90 kPa and 40oC, and is repeated 2500 times per minute. Using

constant specific heats at room temperature, determine the thermal

efficiency of this cycle and the rate of heat input if the cycle is to

produce 90 kW of power.

In a curvilinear motion particle P moves along the fixed path 9y=x^2,where x and y are expressed in cm.At any instant t, the x coordinate of P is given by x=t^2-14t.Determine y component of velocity and acceleration of P when t=15 sec?

A series circuit consists of a resistance of 4 ohms, an inductance of 500mH and a variable capacitance connected across a 100V,50Hz supply. Calculate the capacitance require to produce a series resonance condition and the voltage generated across both the inductor and the capacitor at the point of resistance.

Refrigerant-134a enters the evaporator coils placed at the back of the

freezer section of a household refrigerator at 120 kPa with a quality of 20

percent and leaves at 100 kPa and -20°C. If the compressor consumes

450W of power and the COP the refrigerator is 1.2, determine (a) the mass

flow rate of the refrigerant and (b) the rate of heat rejected to the kitchen

air.

freezer section of a household refrigerator at 120 kPa with a quality of 20

percent and leaves at 100 kPa and -20°C. If the compressor consumes

450W of power and the COP the refrigerator is 1.2, determine (a) the mass

flow rate of the refrigerant and (b) the rate of heat rejected to the kitchen

air.