34) A 10 Ohm resistor is connected in parallel with a 15 Ohm resistor and the combination in series with a 12 Ohm resistor. The equivalent resistance of the circuit is

35) The equivalent resistance when a resistor of (1/3) Ohm is connected in parallel with a (1/4) Ohm resistance is

36) The emissivity of a polished silver body is _____ as compared to black body.

37) During sensible cooling of air, specific humidity

38) Leakage in refrigeration system using Ammonia is detected by