Curioustab

Home » Mechanical Engineering » Heat Transfer, Refrigeration and Air Conditioning

The atmospheric air at dry bulb temperature of 15°C enters a heating coil maintained at 40°C. The air leaves the heating coil at 25°C. The by-pass factor of the heating coil is

0.376
0.4
0.6
0.67

Correct Answer: 0.6

← Previous Question Next Question→

More Questions from Heat Transfer, Refrigeration and Air Conditioning

Prandtl number (PN) is given by PN = μ.cp/k.
The transfer of heat by molecular collision is smallest in
A composite slab has two layers of different materials with thermal conductivities k1 and k2. If each layer has the same thickness, then the equivalent thermal conductivity of the slab will be
The wet bulb depression indicates __________ humidity of the air.
If the energy radiated per second per sq. cm. of the surface for wave lengths lying between λ, and λ + dλ is represented by (eλ.dλ), then eλ is called
In case ofsensible cooling of air, the coil efficiency is given by
When the discharge pressure is too high in a refrigeration system, high pressure control is installed to stop the compressor.
The critical temperature is the temperature
In a vapour compression refrigeration system, a throttle valve is used in place of an expander because
The expression is used for calculating relative humidity.

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion