One time estimate is

The lead time consumption is 600 units. The annual consumption is 8000 units. The company has a policy of EOQ ordering and maintenance of 200 units as safety stock. The Reorder Point (ROP) is

In the simplex method, the existence of more than one optimum solution is indicated, when

The machining proces in which the metal of work piece is dissolved is

When the work piece is connected to the negative terminal and the electrode holder to the positive terminal, the welding set up is said to have

Gear finishing operation is

Draft on pattern for casting is

Ferrites are

An open cycle constant pressure gas turbine uses a fuel of calorific value 40000 kJ/kg with air fuel ratio of 80 : 1 and develops a net output of 80 kJ/kg of air. The thermal efficiency of the cycle is

Consider a vapour absorption system as shown:

Ideal COP of this system is

Draft tube is fitted with the following purpose

There is shown a T-S diagram for a two-phase mixture. Some points are located and some data are given as-

Now, determine the condition or position of this mixture in given diagram on the basis of following questions.
If P = 2.0 bar and h = 2675.4 kJ/kg.

An electric motor of 1 kW rating is used for driving heat pump which supplies heat to a building for maintaining at 26⁰C. Heat loss from building to the surrounding due to temperature difference is 6 MJ/h when the surroundings temperature is 3 ⁰C, then select the false statement.

At the inlet to a certain nozzle, the enthalpy of the fluid passing is 3000 kJ/kg and the velocity is 60 m/s. At the discharge end, the enthalpy is 2762 kJ/kg. The nozzle is horizontal and there is negligible heat loss from it
If the inlet area is 0.1 m² and the specific volume at inlet is 0.187 m³/kg, find the mass flow rate

In a counter flow heat exchanger, the product of specific heat and mass flow rate is same for the hot and cold fluids. If NTU is equal to 0.5, then the effectiveness of the heat exchanger is

Sun's surface at 5800 K emits radiation at a wavelength of 0.5 μ, A furnace at 300°C will emit through a small opening, radiation at a wavelength of nearly

The average Nusselt number in laminar natural convection from a vertical wall at 180^oC with still air at 20 ° C is found to be 48. If the wall temperature becomes 30^oC, all other
parameters remaining same, the average Nusselt number will be

One end of a rectangular fin (L = 20 cm) is at constant base temperature of T₀= 127°C, it is kept in surrounding having temperature  T_{\(\infty \)} = 25°C. If K_fin = 200 W/m-K and h = 80 W/m²-K and temperature at any point of fin varies as T = T₀ (a - bx²).
If cross-section is perfectly insulated, then heat transfer rate from this is

One end of a rectangular fin (L = 20 cm) is at constant base temperature of T₀= 127°C, it is kept in surrounding having temperature  T_{\(\infty \)} = 25°C. If K_fin = 200 W/m-K and h = 80 W/m²-K and temperature at any point of fin varies as T = T₀ (a - bx²).
If cross-section is perfectly insulated, then heat transfer rate from this is

A composite hollow sphere with steady internal heating is made of 2 layers of materials of equal thicknesses with thermal conductivities in the ratio of 1 : 2 for inner to outer layers. Ratio of inside to outside diameters is 0.8. What is the ratio of temperature drop across the inner and outer layers?

A fluid flowing through pipe has flow rate 3.5 L/s. Fluid has viscosity 0.1 N-s/m² and relative density 0.9. If diameter of pipe is 50 mm and length 300 m then,shear stress at pipe wall is

A 80 mm long journal bearing supports 2800 N load on a 50 mm diameter shaft. The diametral clearance is 0.1 mm and shaft speed is 2000 rpm. If viscosity of oil is 0.021 kg/m-s then, the value of friction coefficient is

In above question value of factor of safety according to Goodman theory is

If the mass of the rod is m, then the natural angular frequency of the system will be

In a simple gear train, if the number of idle gears is odd, then the motion of driven gear will

A spherical vessel of steel (d_i = 600 mm, t = 10 mm) is fill with water under pressure of 6 MPa. 446 x 10³ mm³ volume of water is let out to reduce the pressure. If k = 2 GPa for water, E_Steel = 200 GPa, then Poisson's ratio is

A cantilever 2.5 m long carries a UDL of 20 kN/m run. The breadth of the section remains constant and is equal to 100 mm. Determine the depth of the section at the middle of the length of the cantilever if stress remains the same throughout and equal to 120 MN/m².

A beam of length 6 m carries a point load 120 kN at its centre. The beam is fixed at both ends. The fixing moment at the ends is

In the given figure,

Maximum shear stress is

An ejector mechanism consists of a helical compression spring having a spring constant ofk= 981 x 10³ N/m.lt is pre-compressed by 100 mm from its free state. If it is used to eject a mass of 100 kg held on it, the mass will move up through a distance of