- (De.t)1/2
- (De/t)1/2
- (4De/πt)1/2
- (4De/t)
1 Answers
Call
Talk Doctor Online in Bissoy App
The ratio of height of Porter governor (when length of arms and links are equal) to the height of Watt's governor is (where m = Mass of the ball and M = Mass on the sleeve)?
Answer: Option 3 Let'
1 Answers 1 views
The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in the same mass of dry air when it is saturated at the same temperature and pressure, is called?
Answer: Option 4 The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in the same mass of...
1 Answers 1 views
For a shoe brake, the equivalent coefficient of friction is equal to (where $$\mu $$ = Actual coefficient of friction and $$\theta $$ = Semi-block angle)?
Answer: Option 4 Let'
1 Answers 2 views
Thermal diffusivity of a substance is given by (where h = Thermal diffusivity, ρ = Density of substance, S = Specific heat, and k = Thermal conductivity)?
Answer: Option 1 Thermal Diffusivity is defined as the ratio of heat conducted to the heat energy stored per unit volume of a material.the thermal conductivity of a substance divided...
1 Answers 1 views
Coefficient of discharge Cd is equal to (where Cc = Coefficient of contraction, Cv = Coefficient of velocity, and Cr = Coefficient of resistance)?
Answer: Option 1 Let'
1 Answers 2 views
According to the film theory of mass transfer, the mass transfer co-efficient is proportional to (where, D = molecular diffusivity)?
Answer: Option 1 Let'
1 Answers 1 views
If the catalyst pore size is small in comparison with the mean free path, collisions with the pore wall controls the process'. The diffusivity under this condition is called 'Knudsen diffusivity', which is affected by the?
Answer: Option 2 Let'
1 Answers 1 views
The mass transfer co-efficient for a solid sphere of radius 'a' dissolving in a large volume of quiescent liquid, in which D is the diffusivity of solute, is?
Answer: Option 4 Let'
1 Answers 2 views
Which of the following has the same dimension as mass diffusivity?
Answer: Option 4 Let'
1 Answers 1 views
Which of the following is/are true of world time zones I. The world is divided into thirty time zones II. All time zones of the world are described in term of the number of hours difference between the standard meridian of that zone and the Greenwich Meridian III. All countries have more than one time zone IV. The time for all places east of Greenwich is designated slow, and time for all places left of Greenwich is designated fast?
Answer: Option 4 All time zones of the world are described in term of the number of hours difference between the standard meridian of that zone and the Greenwich Meridian....
1 Answers 1 views