• Fixed upper point and lower point in Celsius scale is:

Answer: 100 to 0 ⁰C

• Fixed upper point and lower point in Kelvin scale is:

Answer: 373 to 273 K

• Fixed upper point and lower point in Fahrenheit scale is:

Answer: 212 to 320 F

• Water turns to ice at:

Answer : 32⁰F

• Car radiators are painted black because they are:

Answer: good absorbers of heat

• Which two liquids are used in the construction of thermometers?

Answer: mercury and alcohol

• Normal temperature human body in Fahrenheit is

Answer: 98 F

• Ice floats on water because:

Answer: it is lighter than water

• Cooking pots have wooden handles because:

Answer: wood is a poor conductor of heat

• Heat loss due to conduction, convection and radiation is minimized in

Answer: thermos flask

• Cooking vessels are made of metals because metals are:

Answer: good conductors

• Heat is a form of:

Answer: energy

• Thermometer should not be kept in sun because:

Answer: it can break

• The form of energy that produces a feeling of hotness is called as:

Answer: Heat

• Temperature at which liquid changes into vapour is called ______.

Answer: Boiling point

• Normal human body temperature is ____.

Answer: 37 ⁰C

• Solids are not heated by convection because:

Answer: molecules are not free to move and the molecules only vibrate about fixed position.

• During day a current of air blows from sea to land is called as:

Answer: Sea Breeze

• Sea breeze blows during:

Answer: day

• In clinical thermometer, mercury does not contract immediately as:

Answer: Capillary tube has a small constriction near the bulb

• Stainless steel pans are usually provided with copper bottoms as:

Answer: copper is a better conductor of heat than stainless steel

• In the process of convection, heat travels:

Answer: upwards

• Gaps are left between successive rails in a rail track:

Answer: to keep gap for expansion

• An application of the Principle of thermal expansion of liquids is:

Answer: thermometer

• Land breeze blows in coastal region during:

Answer: night

• If milk in a cup at 40 deg.C, find its value in deg.F.

Answer: 104 deg. F

• Convert 65 deg. F to degrees C.

Answer: 18 ⁰C

• Temperature at which Fahrenheit scale reading is double of Celsius scale is:

Answer: 320 F

• Temperature at which readings on Kelvin and Fahrenheit scale are same is

Answer: 574

• Convert 50 degrees C to K.

Answer: 323

• Temperature of a pan is 100 degrees C, its temperature in K is:

Answer: 373 K

• 5 cal is ____ joule

Answer: 20.92

• Which is lowest temperature?

Answer:0K

• Temperature difference of 1 F is equivalent to temperature difference of ___°C.

Answer:0.55

• 100°C is about ____ F.

Answer: 212

• If temperature of bathing water is 115 deg.F, what is it in ⁰C?

Answer:46 ⁰C