HEAT AND MASS TRANSFER QUIZ

Velocity reduction method

Dual or double method

Static regains method

Equal friction method

T

T2

T5

Absolute temperature

K calm/hr °C

K cal/kg m² °C

K cal/hr m² °C

K cal m/hr m² °C

All of these

Quantity of heat flowing in one second through a slab of the material of area one cm square, thickness 1 cm when its faces differ in temperature by 1°C

Quantity of heat flowing in one second through one cm cube of material when opposite faces are maintained at a temperature difference of 1°C

Heat conducted in unit time across unit area through unit thickness when a temperature difference of unity is maintained between opposite faces

Forced convection

Radiation

Free convection

Conduction

Maximum

Zero

None of these

Minimum

Used as mathematical model

A physical property of the material

Function of temperature

A dimensionless parameter

Kirchhoff's law

Second law of thermodynamics

First law of thermodynamics

Zeroth law of thermodynamics

Grashoff number and Reynold number

Grashoff number and Prandtl number

Prandtl number and Reynold number

Grashoff number, Prandtl number and Reynold number

Radiation

Convection

Conduction

Conduction and convection