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A carbon steel plate (thermal conductivity = 45 W/moC) (600 x 900 x 25) mm2 is maintained at 310oC. Air at 15oC bellows over the hot plate.If convection heat transfer co-efficient is 22 W/moC and 250 W is lost from the plate surface by radiation, Determine the inside plate temperature.
Describe the construction and working of a rubby LASER with related diagrams?.
2 liters of water at 80 celsius is found into a plastic bucket containing 10 liters of water at 20 celsius what is the final temp of the mixture. specific capacity of water is 1 c
For the oscilloscope display of a pulse waveform shown in Figure, the 'time/cm' switch is on 50ms/cm and the 'volts/cm' switch is on 0.2V/cm. Verify (a) The periodic time
A 150-kg roller-coaster car climbs to the top of a 91-m-high hill. How much work is completed against gravity as the car is lifted to the top of the hill?
A single movable pulley Suspend two pulleys on a cord from a horizontal support, and load them as shown. If there is no adjustable support on the expression desk, a window stic
Explain the Prisms, Dispersion and Color A ray of white light that passes through a prism is dispersed into the visible spectrum. Red light is refracted the least, and purple lig
As defined in physics, work is: a) A scalar quantity b) Always a positive quantity c) A vector quantity d) Always zero Ans: As defined in physics, work
Q. A small pin fixed on a table top is viewed from above from a distance of 50 cm. By what distance would the pin appear to be raised if it is viewed from the same point through a
The intermolecular forces (F) of attraction can be described as given: 1) Cohesion. The force of attraction among molecules of the same substance is known as the force of cohe
It describes the temperature above which the material loses its spontaneous polarization and piezoelectric characteristics.
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