41. When dry bulb temperature & wet bulb temperature of moist air is the same, it means that the
42. When dry bulb temperature & wet bulb temperature of moist air is the same, it means that the
43. Oxygen content below __________ percent in air contaminated with nitrogen does not support combustion and is unsafe for humane exposure.
44. A pycnometer is used for the measurement of
45. Filler metal is used in __________ welding.
46. A colloidal system, in which a liquid is dispersed in gas is called a/an
47. Disposable patterns are made of
48. The laminar boundary layer thickness in zero pressure gradient flow over a flat plate along the x-direction varies as x0.5 while the thickness of turbulent boundary layer varies as (where, x = distance from the leading edge)
49. With increase in __________ Knocking tendency in a spark ignition petrol engine decreases.
50. If a solid is compressed adiabatically in its elastic range, its __________ remains constat
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- Chemical Engineering Basics - Section 13