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For the following questions answer them individually
A long glass cylinder of inner diameter 0.03 m and outer diameter 0.05 m carries hot fluid inside. If the thermal conductivity of glass is 1.05 W/mK, the thermal resistance
per unit length of the cylinder is
In heat exchangers, degree of approach is defined as the difference between temperatures of
In counter flow heat exchangers between two fluids,
Log mean temperature difference in case of counter flow heat exchanger compared to parallel flow heat exchanger will be :
The emissive power of a body depends on:
The outside diameter of hollow shaft is twice that of its inside diameter. The ratio of its torque carrying capacity to that of solid shaft of the same material and same outside diameter is :
The designation M 33 $$\times$$ 2 of a bolt means
The power transmitted by means of belt drives depends upon :
The usual proportion for the width of the key used between shaft (of diameter d) and hub of pulley for transmitting power is
The helix angle for single helical gears ranges from
Day-wise Structured & Planned Preparation Guide
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