# Doublet Flow Online Exam Quiz

Doublet Flow GK Quiz. Question and Answers related to Doublet Flow. MCQ (Multiple Choice Questions with answers about Doublet Flow

### A body moves 5m in a forward direction and then comes back to the same position. Which of the following energy does it have?

Options

A : Potential energy

B : Sum of kinetic energy plus potential energy

C : Kinetic energy

D : Impulsive energy

### Conservation of energy is based on which law of thermodynamics?

Options

A : First law of thermodynamics

B : Second law of thermodynamics

C : Zeroth law of thermodynamics

D : Third law of thermodynamics

### Density is ratio of __

Options

A : mass to volume

B : volume to mass

C : mass to pressure

D : pressure to volume

### Determine the kinetic energy of the body of mass 90 kg moving with a speed of 200 m/s.

Options

A : 15000 Joules

B : 900000 Joules

C : 21000 Joules

D : 40000 Joules

### The formula for kinetic energy is __

Options

A : KE = 0.5*m*v

B : KE = 0.5*m*v2

C : KE = m*v2

D : KE = 0.6*m*v2

### The ratio of Inertia force to elastic force is called as __

Options

A : Reynold's number

B : Froude number

C : Weber number

D : Mach number

Options

A : Newton

B : Joules

C : Pascal

D : Meters

### The sound which can be related to explosion in human ears is ___

Options

A : high frequency sound

B : low frequency sound

C : boom

D : sonic boom

### The units of viscosity are __

Options

A : N/m

B : Ns/m2

C : m/s

D : Dimension less quantity

### When the velocity at a point becomes zero, it refers to ___

Options

A : slip condition

B : no slip condition

C : positive slip condition

D : negative slip condition

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