- Thermal resistance
- Thermal coefficient
- Temperature gradient
- Thermal conductivity
Answer: Option 4
A measure of the ability of a material to transfer heat. Given two surfaceson either side of the material with a temperature difference between them,the thermal conductivity is the heat energy transferred per unit time andper unit surface area, divided by the temperature difference. It is measured in watts per degree Kelvin.
Answer: Option 2 The colour of fresh grass is 'green' and as given in II, 'green' is called 'brown'. So, the colour of fresh grass is 'brown'.
1 Answers 1 viewsAnswer: Option 3 Generally, Fishes lives in Water and Water is called Colour in the code. So Fishes live in Colour.
1 Answers 1 viewsAnswer: Option 2 The statement talks of jade plants only and not 'all plants with thick leaves'. So, I does not follow. Also, since jade plants require little water, so...
1 Answers 1 viewsAnswer: Option 1 The heat transfer by conduction through a thick cylinder (Q) is given by Q = [2πlk (T₁ - T₂)]/2.3 log (r₂/r₁)where T₁ = Higher temperature, T₂ =...
1 Answers 1 viewsAnswer: Option 1 Fourier's law of heat conduction is k. A. (dT/dx) where Q = Amount of heat flow through the body in unit time, A = Surface area of heat...
1 Answers 1 viewsAnswer: Option 2 The C.O.P. of an absorption type refrigerator is given by [T₃ (T₁ - T₂)]/ [T₁ (T₂ - T₃)] (where T₁ = Temperature at which the working substance...
1 Answers 1 viewsAnswer: Option 1 Let'
1 Answers 1 viewsAnswer: Option 1 Badminton is played without any ball and in the question Badminton is called Volleyball.
1 Answers 2 viewsAnswer: Option 4 Keeping in mind the safety and convenience of passengers, both I and II follow. III clearly suggests a remedy to the problem and hence it also follows.
1 Answers 1 views