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General Science
Play this  Quiz Game  On your phone 131 - Temperature, 132 - Lightning, 133 - Refrigerants, 134 - Thermal comfortness, 135 - 1.225 kg/m3,   136 - Evaporative coolers, 137 - Fluorine, 138 - Sulfuric acid, 139 - Block high frequency AC, 140 - Niels Bohr.

131. Which among the following quantities is scalar?

           Temperature

           Velocity

           Acceleration

           Force


132. The sudden electrostatic discharge from clouds is called:

           Cloud electricity

           Lightning

           Thunder

           Cloudburst


133. Chlorofluorocarbon is widely used as:

           Food processors

           Catalyst

           Fuel oils

           Refrigerants


134. HVAC is used to provide:

           Thermal comfortness

           Sewage system

           Visual comfortness

           Electric power system


135. What is the approximate density of air?

           2.225 kg/m3

           1.412 kg/m3

           1.225 kg/m3

           1.225 g/m3


136. Which are called desert coolers?

           Evaporative coolers

           Vapor compression refrigeration

           Humidifier

           Absorption refrigerator


137. Which is the lightest halogen element?

           Iodine

           Fluorine

           Chlorine

           Bromine


138. Which is called as 'Oil of vitriol'?

           Boric acid

           Nitric acid

           Sulfuric acid

           Phosphoric acid


139. Electronic Choke is used to:

           Amplify sound

           Supply high frequency AC

           Amplify voltage

           Block high frequency AC


140. The element bohrium was named after:

           Niels Bohr

           Wilhelm Wien

           Nikolay Umov

           Thomas Graham