Science General · Environmental Studies

Temperature Concepts

1,035 Questions

Temperature concepts involve understanding thermal conditions across various scientific and daily life contexts. This includes ideal storage temperatures, celestial body heat, and climate ranges. These facts are commonly tested in general science and environmental awareness papers.

Celestial body temperaturesStorage and cooking temperaturesAtmospheric and climate temperatureLaboratory temperature ranges

Temperature Concepts Questions

Multiple choice

What is the range of Fahrenheit scale?

  1. 98 - 120 degrees

  2. 90 - 100 degrees

  3. 92 - 104 degrees

  4. 93 - 104 degrees

  5. 94 - 108 degrees
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

The temperature range of Fahrenheit scale is 94 - 108 degrees.

Multiple choice

A nurse is about to take the temperature of a patient. One notices that the nurse jerks the clinical thermometer well, before placing it under the tongue of the patient. Why does she jerk it?

  1. The jerking makes the mercury level higher.

  2. To frighten the patient.

  3. To show her experience.

  4. To bring down the level of mercury below 35 degrees centigrade.

  5. To warm up the thermometer.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is done to bring down the level of mercury below 35 degrees centigrade. The level of mercury was higher up due to the kink.

Multiple choice

What is the range of a lab thermometer?

  1. 0 - 100 degrees

  2. Minus 10 - 110 degrees

  3. 10 - 100 degrees

  4. 94 - 108 degrees

  5. Minus 1 - 100 degrees
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The range of a lab thermometer is minus 10 - 110 degrees.

Multiple choice

A body originally at 60°C cools down to 40°C in 15 minutes when kept in air at a temperature of 25°C. What will be the temperature of the body at the end of 30 minutes?

  1. 35.2°C

  2. 31.5°C

  3. 28.7°C

  4. 15°C
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Newton's Law of Cooling: T(t) = Ta + (T0 - Ta)e^(-kt). First interval: 40 = 25 + (60-25)e^(-15k) => 15 = 35e^(-15k) => e^(-15k) = 15/35 = 3/7. Second interval (30 min): T = 25 + (60-25)e^(-30k) = 25 + 35(e^(-15k))^2 = 25 + 35(3/7)^2 = 25 + 35(9/49) = 25 + 45/7 = 25 + 6.43 = 31.43 degrees C.

Multiple choice

A football was inflated to a gauge pressure of 1 bar when the ambient temperature was 15°C. When the game started next day, the air temperature at the stadium was 5°C. Assume that the volume of the football remains constant at 2500 cm3.

The amount of heat lost by the air in the football and the gauge pressure of air in the football at the stadium are respectively equal to

  1. 30.6 J, 1.94 bar

  2. 21.8 J, 0.93 bar

  3. 61.1 J, 1.94 bar

  4. 43.7 J, 0.93 bar
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation